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Archive by date: May 2007

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Academics strike back at spurious rankings

From this week's Nature 447, 514-515 (2007):

Universities seek reform of ratings.
Declan Butler
A call by a group of US colleges earlier this month to boycott the most influential university ranking in the United States has shone the spotlight on the problem of institutional rankings. Experts argue that these are based on dubious methodology and spurious data, yet they have huge influence. But help is at hand: European academics are putting some rigour into rankings by tackling the problem themselves.
On 5 May, Douglas Bennett, president of Earlham College in Richmond, Indiana, and 11 other college presidents asked colleagues to refuse to fill out surveys for the U.S. News & World Report. That survey of institutions, they argued, "implies a false precision and authority that is not warranted by the data they use". Another 17 colleges have since signed up.
"All current university rankings are flawed to some extent; most, fundamentally," says Alan Gilbert, president and vice-chancellor of the University of Manchester in Britain. "But rankings are here to stay, and it is therefore worth the time and effort to get them right."

Continue reading "Academics strike back at spurious rankings" »

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Gotham prize for cancer research

From this week's Nature, News in Brief (447, 519; 2007).
US hedge-fund managers have teamed up with scientists to launch a competition for the next big idea in cancer research. Applicants must first be accepted by an Internet-based club , whose membership will be vetted by a scientific advisory panel that includes cancer experts such as Bert Vogelstein of the Johns Hopkins Medical Institutions in Baltimore, Maryland. Members can then submit their idea — in fewer than 1,000 words — for a research project in basic cancer research, or in cancer diagnosis, prevention or treatment.
The person whose idea is judged to have the greatest potential will win US$1 million, even if they will not themselves be carrying out the research to test it. Another prize of $250,000 will be given in paediatric oncology. The ideas that emerge will be shared with other cancer-research funders.
The organizers say that current funding opportunities tend not to support untested ideas and that the annual Gotham prize will help fill this gap.

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Nature China conference on "how to get published"

From the editors of Nature China: Join some of the Nature journal editors for a day of presentations on "how to publish in Nature journals". The meeting is on 11 June at the Shanghai Information Center for Life Sciences Hall, Chinese Academy of Sciences. Registration is free. The line-up includes: David Swinbanks, Publishing Directorof Nature Publishing Group; Philip Campbell, Editor in Chief of Nature;Terry Sheppard, Chief Editor of Nature Chemical Biology; Rachel Won, an Associate Editor of Nature Photonics; Felix Cheung, Associate Editor of Nature China; and Xiaolin Zhang, head of AstraZeneca Innovation Center, China.

For more details and to book your place, send the organisers an email. A second meeting will be held on 9 June 2007 at the National Science Library of the Chinese Academy of Sciences in Beijing, but registration is full.

The Nature China website highlights the best research coming out of mainland China and Hong Kong, providing scientists from around the world with a convenient portal into publications drawn from across all scientific disciplines. Each week, our editors select the best published research and provide a summary of the results. By organizing this research into a comprehensive, regularly updated, one-stop web portal, we hope to help you quickly reach the resources you need to study, and to keep you up-to-date with the most significant research coming out of mainland China and Hong Kong.

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A new look for chemical information

In its June Editorial, which is freely available, Nature Chemical Biology (3, 297;2007) reports on new online features to enhance interdisciplinary communication and to increase the accessibility of chemical information for readers.

Most published chemical content is traditionally contained in the schemes, figures and tables of scientific papers. Authors also use abbreviations, acronyms or numbering schemes to identify specific molecules. Though these shorthand notations simplify the presentation of chemical information, they tend to make chemical papers less accessible to the general reader. This is a concern for chemical biology articles, which are intended to attract an interdisciplinary audience. Moreover, since the advent of the Internet, the way by which scientists acquire scientific information has changed. Though some scientists continue to read journal articles in print, most turn to the online HTML and PDF versions of published manuscripts. This expanded use of electronic resources offers an excellent opportunity to make chemical information more accessible and user-friendly to readers of scientific papers.

The Editorial provides details of the resources now available to authors and readers, and asks for your evaluation of what has been done so far, and your 'wish list' for new chemical or biological functionality that will foster communication and collaboration between researchers at the interface of chemistry and biology.

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Science in virtual worlds

If you are in striking distance of London on the evening of Tuesday 19 June and want to find out more about this Second Nature in Second Life that you keep reading and hearing about, then please attend a free event, "Science in Virtual Worlds", in association with the Royal Institution and Nature Network.

It’s when you’re flying next to a Saturn V rocket or climbing around a protein molecule that you realise the potential for science in virtual worlds. In an online place like Second Life, you can do things that are dangerous, expensive or downright impossible in real life (or ‘meatspace’). That’s why scientists have begun using such places to conference, teach, build and experiment, in fields from astrophysics to neuroscience, chemistry to psychology. Fancy a stroll through a four-dimensional house? Log on and do it in Second Life.

Online worlds are social spaces too, and that makes them attractive to social scientists. How do we develop meaningful relationships with people we’ve never seen or heard? How do those with autism or schizophrenia fare? Do gender roles or moral codes alter? How does information travel and how can there be economies, uprisings and fads? What are the ethics of studying the denizens of these worlds — are they different from real world citizens? Join Aleks Krotoski , Dave Taylor and Nature Publishing Group's Joanna Scott at the Apple Store on Regent Street for a free event on how science is expanding into virtual life.

Venue: The Apple Store, 235 Regent Street, London W1B 2ET: See the Royal Institution website for more details.
See this previous Nautlius post about opportunities to present your work virtually on the Second Nature island.
This previous Nautlius post describes more about Second Nature and Second Life.


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Nature Medicine symposium in October

The Clinical Investigation Institute of the University of California, San Diego and Nature Medicine present Aging: From bench to bedside, part of the frontiers of clinical investigation series of conferences, on 18-20 October 2007, in La Jolla, California.

This year's symposium explores innovative approaches to bridge laboratory investigation to clinical research in aging. The topic stands at the crossroads of many disciplines, including endocrinology and cardiology as well as neurodegenerative and musculoskeletal diseases. Multidisciplinary sessions will include basic, translational and clinical presentations of cuttingedge research to provide an integrated approach to understanding the science of healthy aging. This symposium will provide unique insights and tools for optimizing and streamlining clinical investigation from discovery to drug development.

More information about the symposium is available at this link.

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Nature's journal club blog

Nature’s Journal Club

Our latest blog (link above) is the blog for the Journal Club, a weekly column published in Nature’s Research Highlights pages. Each column presents a researcher’s choice of reecnt paper, explaining the reason why he or she is enthused about it. At the Journal Club blog we invite readers to discuss the subjects raised in the columns. Please do take a look at the entries on the blog, and, as my colleague Oliver Morton puts it, "enrich their comment threads with your insight and speculation."

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Update on Live Search Academic

Microsoft's scholarly search engine, Live Search Academic, has been available in a beta (trial) version for more than a year. Launched 18 months after Google Scholar, it has a lot of catching up to do in order to make researchers aware of it and want to use it in preference to other search services. To this end, it has expanded the range of articles in its index from computing and physics only, to all disciplines. When it launched in 2006, it contained around 7 million articles; now it contains about 40 million.
Unlike Google Scholar, Live Search Academic content is not scraped remotely from the web, but uses feeds from CrossRef, HighWire, JSTOR, PubMed and others, making it part of the network of connected scholarly information. By so doing, it hopes to have better relevancy in search query returns, because the engine is indexing a regularly updated feed, is flexible and able to adapt immediately to new citation links and taxonomies. Microsoft is also aware that, as the amount of web content grows ever larger, there is a danger that services like Google Scholar will get bogged down with the sheer quantity of information that needs to be signposted. Google Scholar brings academic researchers more results, but Microsoft´s hope is that Live Search Academic results will be more relevant to users.

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HINARI now includes 2,500 institutions

The HINARI Access to Research Initiative of the World Health Organisation has announced the registration of the 2,500th institution to access free or low-cost online medical journals and databases. These publicly funded and non-profit institutions include universities, medical schools, hospitals and research institutes drawn from 109 developing countries. Through HINARI, they are able to access 3,750 journals online from 100 different publishers covering medicine, nursing and related health and social sciences -- including Nature, the Nature journals and all journals published by Nature Publishing Group.
HINARI facilitates teaching, research and the delivery of health care in the developing world while helping researchers in these countries to get their work published and made available to a wider international audience. Access is free for institutions in countries with a GNP of less than $1000 per year while there is a small charge for countries with a GNP of $1000-$3000. The income generated is used for local training initiatives.
Launched in January 2002, HINARI Access to Research Initiative is managed by the World Health Organisation in partnership with The International Association of Scientific, Technical and Medical publishers, 100 publishers and Yale University Library. The HINARI website is the main port of call for thousands of librarians, scientists, students, medics and healthcare researchers in the world's poorest countries. They benefit from free access to the leading international biomedical peer-reviewed journals and other information resources.
There are similar initatives for agricultural research (AGORA); and climate and environmental research (OARE). Nature and all Nature Publishing Group journals are included in these programmes.

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Don't brand animal-activist criminals as terrorists

Equating animal-rights activism with terrorism increases the penalties for offenders and will please many of their victims. But it is not in the interests of science. So states this week's lead Editorial in Nature (447, 353; 2007)

Last November, the Animal Enterprise Terrorism Act was signed into law in the United States. It creates tough penalties for damaging property, making threats and conspiring against zoos, animal labs and the like. Leaving aside the merits of this act, its very name enshrines into law the idea that destructive activists are terrorists.

As one of the communities targeted by these activists, scientists may be tempted to embrace this rhetoric. Indeed, many people have personally felt terrified by the actions of the most extreme. But 'terrorist' is a word so debased and loaded by political use that, if it has any meaning at all, it is counterproductive. There is no such objective thing as a terrorist. A criminal is a person who has been convicted of a crime. We can examine a person's records and make an unemotional determination of whether or not they are a criminal. But a terrorist is, in practice, a person who fights for a cause we do not believe in using methods that we do not approve of. Calling someone a terrorist is a value judgement.

The full text of the Editorial is available here (site licence or subscription required).

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Nature in Second Life: back to the past

A Natural Fit: For Science Journal, Web Is 'Second Nature' - International - SPIEGEL ONLINE - News

At the link above is an article on how "Nature, the world's best-known scientific publication, is now being transformed into a multimedia platform that includes include blogs, podcasts and even a Second Life presence" : according to the article, "as shocking as the Queen moving to Las Vegas". Timo Hannay, director of web publishing, responds: "The core business of Nature is not to produce a magazine," he says, "but to facilitate the exchange of ideas among scientists." More and more nowadays, that exchange happens to be taking place electronically." "

The article continues: "Would you like some coffee?" Hannay asks, as he sits down at his computer and directs his digital representative, Timo Twin, to the Magic Molecule Model Maker, which looks vaguely like a gumball machine. "Let me make some caffeine," says Timo Twin, and soon brightly colored atoms begin bursting onto the screen, combining to form a coffee molecule. As big as scaffolding, the molecule floats in cyberspace in front of the Timo avatar, three-dimensional and easily rotated. All it takes is a mouse click and the virtual machine starts spitting out other molecules: adrenaline, Viagra, aspirin -- just as requested. "The Magic Molecule Model Maker sounds like a game," says Hannay. "But chemists use it a lot when they need a three-dimensional image that can be rotated for a presentation or a discussion." "

The article goes on to describe some of Nature Publishing Group's online activities, not so modern as some might think, perhaps, in concept at least: "The digital pub, with its green-haired avatars and podcast chatter, may seem futuristic. But it is also strongly reminiscent of the generation of Nature's founders. At the time, more than a century ago, there was bitter competition among various young, often underfunded and short-lived scientific publications (Nature's current competitor Science almost went out of business several times and frequently changed ownership). But Nature had a decisive advantage. Its publisher, Alexander Macmillan, loved a good party. He would routinely invite the cleverest thinkers of his day to his house for what he called "Talk, Tobacco and Tipple." This principle also served as the basis for his magazine. Science, Macmillan reasoned, simply had to be fun."

Nature's history expert reports that Alexander Macmillan did indeed host the famous 'tobacco parliaments' in the 1860s and 70s with scientific heavyweights of the day where art, literature and science (particularly Darwinism) were debated with much drink and cigars. It worked in the sense that Macmillan cared enough about science to found a journal, and support it for three loss-making decades!

But the Spiegel article is not correct to state that: "The generation of people who founded Nature continued to meet for decades in London in a sort of offline community for meals, drink and talk. The group called itself the X Club because it accepted only one rule: that there would be no rules."

Nature's history expert points out that the X-club was different. Macmillan was not a member, nor was Norman Lockyer (Nature's first editor). Most, if not all, of the X-club members would write for other journals too. In fact, it was Lockyer's non-association with the X-club that allowed him a free rein as editor to stoke controversies -- a tactic to increase circulation and keep the journal on people's lips when there was much competition around.

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The Source Event careers fair for scientists

An announcement from NatureJobs. The Source Event is a dedicated science career fair launched by Naturejobs and London First, to be held in London on 21 September 2007. The event will be split into a dynamic and exciting exhibition with plenary conference and workshop sessions running alongside the event.
The Source Event will highlight opportunities in the United Kingdom and the rest of Europe for a career in science, whether in academic research, industrial research or research organizations. It will present the best opportunities from the best organizations: public, private, national and international.
Jobseekers will be able to meet potential employers who are offering hundreds of vacancies. Our plenary and workshop sessions will provide the opportunity to meet high-profile scientists and gain careers information and advice.
You can sign up here for the programme details as they become available.
You can register as a delegate here.
See here for location and directions.

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Your lab website is your shop window

prospect : how headlines affect science jobs : Naturejobs
Paul Smaglik writes:
A website is often the first point of contact people have with a laboratory — a sort of digital window into the workings of the place. Most lab websites articulate research programmes and give names and contacts of the lab's members. Good sites also provide ways to seek collaborations. And excellent ones allow potential future members to see what past and present lab participants have gone on to do.

If I was searching for a new lab, I'd want to know that the previous members have published under the principal investigators and have gone on to positions that I'm interested in exploring — whether in academia, industry or government, both on and off the bench. I'd also want to know about lab culture. Do the members interact both professionally and socially? Do they have some sense of humour and a culture of cooperation?

To explore these 'best practices', graduate student, stem-cell scientist and blogger Attila Csordás is hosting a laboratory website competition on his blog Partial Immortalization. Csordás' thesis is that few lab websites take full advantage of the medium's technology and don't give visitors the information they want about a group's science and culture. "Am I alone with my opinion that most academic laboratory web pages simply do not meet any advanced, current, dynamic web standards, although this would be crucial for them?" Csordás writes in his blog. He provides a few examples of sites in his discipline that come close, but is challenging life-science labs around the world to share their best efforts. Taking on this challenge will help labs sell their science — and might also attract promising young scientists to their groups.

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By the Sea at Lablit.com

Henry Gee, senior editor at Nature, adds another string to his bow this week in the form of a serial novel, which he is publishing in installments on the LabLit website. From LabLit: "We are pleased to begin the weekly serialization of an original novel by Henry Gee, By The Sea. Set in present-day Norfolk, Gee blends science, murder, sex and Victorian secrets into a dark, gothic thriller." Here is an excerpt:

Oh God…Morrison. His ideas for rolling out new, re-synthetic natural products. His contacts at MagusPharm that led to her fellowship, buying her. Resource acquisition. Drug discovery. Secrets of the Sea. And none more Secret than at the LPI. And she, fresh from a PhD and a career for the making. Or the taking. How had she let herself come to this? There is nothing for it. She has made her bed, she muses, turning to straighten the duvet, and so she must lie in it. Do the work, fulfil the contract, get out, move on. She puts on her slippers and pads into the horrid, white-chipped, never-quite-cleanable bathroom.

Henry is known to Nature readers and authors as the journal's palaeontology editor, Futures commissioning editor, and Nature Network blogger, to name but three of his current activities.

Lablit.com, "the culture of science in fiction and fact" , is worth checking out for an energetic and imaginitve universe of articles, forums and debates on all aspects of fact and fiction in science culture.

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Animal-welfare sections in papers not the way

Animal-welfare section in papers would be a burden : Article : Nature

Dr C. Jimenez writes in Correspondence this week (Nature 447, 259; 2007):

Victoria Buck in Correspondence ('Who will start the 3Rs ball rolling for animal welfare?' Nature 446, 856; 2007) calls for journals to include an animal-welfare category in the methods section of papers describing research on live animals. I disagree.

We scientists have far too many things to do to add yet another bureaucratic burden to writing papers for no useful reason. I agree that sharing information about the way animals are treated and handled during experiments could be useful, but that can and should be done in another forum.

We pay expensive rates for our animal-care facilities and personnel, and are quite often stymied by the countless new rules and regulations, many of which serve no real useful purpose other than making us jump through more hoops. We are almost regulated to inaction.

It is time for scientists to stand up and say enough is enough, even if it bucks the trend, so we can get on with our work.

See previous Nautilus post and comments on the question of animal-welfare sections in scientific papers.

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Code of ethics conduct for scientists

Recognition could support a science code of conduct : Article : Nature

Yan Ropert-Coudert of the National Institute of Polar Research, 1-9-10 Kaga, Itabashi-ku, Tokyo 173-8515, Japan, writes in Correspondence in this week's Nature (447, 259; 2007):

Recent instances of scientifically unethical behaviour such as that of Woo Suk Hwang (see Nature 439, 122–123; 2006) have put pressure on governments to take official measures. In Japan, for example, a data-falsification scandal shook the scientific community last year (see Nature 439, 514; 2006). In response, the Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), together with the Science Council of Japan, has decided to implement a code of conduct for scientists to detect and punish unethical acts.
Like the Hippocratic oath for physicians, the application of such a code to all scientific disciplines would surely be beneficial. It would make young researchers aware of the necessity of adopting ethical behaviour in the conduct of their work and would provide guidance on how to do so. Yet such misconduct must often stem from the ubiquitous pressure exerted on scientists to publish quickly and, if possible, in high-impact journals in order to have a career. The possibility of publishing a ground-breaking study depends on the quality and originality of the data. It can, therefore, become tempting to modify a few things here and there in a data set.
In this regard, adoption of a scientific code of conduct may not be enough. Efforts must be made in parallel to counteract the 'publish or perish' dogma. If there were a method for recognizing the value of a piece of work through the examination of its contribution to knowledge, rather than through the prestige of the journal in which it was published, this would be a good start.

The Japan code of conduct is here.

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Geological Society opens up Lyell Collection

The Geological Society of London, one of the world's oldest national scientific and professional societies for earth scientists, is opening up its archive of published material free to anyone for four weeks from 17 May to 18 June.
The Lyell Collection represents the digitized content of the society's extensive range of publications, covering journal and book articles from the mid 1800s to the present. The Lyell Collection was created to mark the Geological Society of London's 200th anniversary, and is one of the largest integrated collections of online earth science literature.
Although a subscription will be required for full access from June 18, many aspects of the service will remain entirely free for public use. This includes a sophisticated search functionality, access to summaries and abstracts and e-mail alerts about new content as it is added.

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Plea to expand UN journal programme

Expand free journal project so poor countries can share their valuable climate data : Article : Nature

Julian Hunt, of the Department of Earth Sciences, University College London, Gower Street, London WC1E 6BT, and House of Lords, London SW1A 0PW, UK, writes in Nature's Correspondence section this week:

I warmly approve your Editorial 'Millennium development holes' (Nature 446, 347; 2007) about the lack of weather data from African and other developing countries. A further problem is that when measurements have been taken they are often not disseminated to interested organizations within their own country, let alone beyond it.
Both aspects became very apparent at the second international conference on coastal zones in sub-Saharan Africa held in Ghana in 2005 . Excellent data taken by Ghana's meteorological service along the coast, showing steadily rising temperatures and decling rainfall over 20 years, are not widely known even at the African Centre of Meteorological Application for Development at Niamey in Niger. I found a similar situation in the West Indies. These local time series show the seriousness of the problem of climate change for these countries.
There is currently no financial or other incentive to share these data. African colleagues complain that, even if they send the data to international centres, they cannot benefit, as they do not receive current issues of the journals and bulletins where the results are published.
One way forward, which I have been pursuing by lobbying UK ministers and others, is to ensure that the latest publications of such literature are sent, at no cost, to the regional and national meteorological services that are providing data in developing countries. The UN Food and Agricultural Organisation is already providing current literature to some agricultural centres in the world's poorest countries, through its AGORA programme. The OARE programme, launched last November, has similar arrangements for the environmental-science literature, including weather and climate journals — and more countries are being included in the programme next year.

These are suitable projects for extension to more countries, and for further donations from environmental and other charities. The media organizations that focus on ghoulish pictures of climatic devastation around the world might also contribute.

Nature adds: Primary research papers and other content in Nature and all Nature Publishing Group journals are made freely available online to readers in countries that are members of AGORA, OARE or HINARI, which covers health. These provide information in a timely fashion to people who might not otherwise be able to obtain it or obtain it promptly. See the author and reviewers' website for more details.

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Love and money in biomedical philanthropy

Biomedical researchers have long flirted with private foundations and wooed them into bankrolling their research, but today these relationships have become more complex. Through a series of interviews with scientists and the foundations that fund them, Nature reports on the trade-offs involved in the relationships between
scientists and a new breed of foundations that are focused on translational research. This News Feature on biomedical philanthropy, Love or money (Nature 447, 252-253; 2007), is free online.
The other News Features that make up the report require a subscription or site licence:
State of the donation.
The money tree.
The giving machine.

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Glycomics updates for May

The Functional Glycomics Gateway is a unique collaboration between the Consortium for Functional Glycomics (CFG) and Nature Publishing Group (NPG). It is designed to provide up-to-date information and resources for research aimed at elucidating the roles of glycan-protein interactions in cell surface biology. May's updates are now available via the link at the start of this post.
This month's features include T cells: home sweet home and Glycomics: gathering glycans from glycolipids.
You can also find links to new research papers, review articles, and glycomics news and awards.

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Copyright Clearance Center enhancements

Copyright Clearance Center Launches Enhanced Copyright.com Site - Copyright.com

DANVERS, Mass., May 14, 2007—Copyright Clearance Center, Inc. (CCC), the world's largest provider of text-licensing solutions, today released a complete redesign and significant enhancements to its widely used web site, copyright.com. Copyright.com is the largest licensing platform on the Web for text content, with more than 1 million visits per year by corporate and academic content users. The site offers rights to millions of copyrighted works.The new site can be found here , and the changes and improvements are described here.
See here for the CCC's author pages.

Note added, 18 May. Pedro Belatro has added a comment to this post which I am also pasting-in here, for information:
Maybe it would be good to remind readers that the Copyright Clearance Center handles copyright licensing for Nature [and Nature Publishing Group] titles.
For bloggers: I had a quick look and for Nature, the licensing of up to three pictures for a non-commercial website is still free:
"This reuse request is free of charge although you are required to obtain a license through Rightslink and comply with the license terms and conditions. You will not be charged for this order."

Thank you, Pedro.

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Nature Collections: Metagenomics

metagenomics_cover.jpg
The Nature Collections series bring together important papers around a particular area of scientific research. Published both in print and online, they make perfect reference tools.
The latest collection, just published and freely available, is Metagenomics, in which Nature presents a selection of papers that combine the latest techniques to explore whole microbial communities and track individual species in uncultured samples ranging from sea water to soil. You can read the collection online here, and request a free printed copy here.

From the Editorial introducing the Metagenomics collection, by Senior Nature Editor Chris Gunter:

A picture of a microbial community as a whole can be pieced together from the number and diversity of, for example, 16S ribosomal RNA genes. Moreover, individual species can be tracked by the presence or absence of genes such as rhodopsins in aquatic samples, or metabolic enzymes in the soil or the host intestine. The articles in this collection use combinations of the latest sequencing technologies to describe many environments for the first time and to reinterpret those that we see every day.

For instance, the fascinating marine worm Olavius algarvensis lacks a mouth and a gut, but manages to survive thanks to an amazing symbiotic relationship with bacteria. Metagenomic analysis allowed the first description of this symbiosis.


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Back to the Futures

From Nature's Guide to Authors:
Futures is the award-winning science-fiction section of Nature and Nature Physics. Contributions are usually commissioned, but unsolicited articles are welcome. Each Future should be an entirely fictional, self-contained story between 850-950 words in length, and the genre should, broadly speaking, be 'hard' (that is, 'scientific' SF) rather than, say, outright fantasy, slipstream or horror. Each item should be sent as a Word (.doc) attachment to futures@nature.com, including full contact details and a 30-word autobiographical note to be appended to the story if published. (Please do not send presubmission enquiries, but send the whole story.) Unsolicited artwork is not considered. Before submitting, prospective authors are advised to read earlier Futures columns in Nature and Nature Physics; selected examples are available free, and the whole collection of Futures published in Nature is available here (subscription or site licence required).

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Would you like to give a talk at Second Nature?

Are you a scientist with some fascinating results to discuss? Have you just published in Nature and are burning to tell the world about your new work? Would you like to see what it is like to give a virtual talk? We are looking to try out some events in our amphitheatre and meeting area at Second Nature in Second Life .

If you are interested in trying out a talk, presentation or question–answer seminar in this novel format, please do get in touch with us. Some of the events that have previously taken place in Second Life include:

•Dr Eric Chaisson, Director of the Wright Center for Science Education at Tufts University, author of the book Hubble Wars, talking about his work and answering questions from the audience.
•What can the world's most powerful computers do now? Rez Tone, who works with IBM's Blue Gene research project, explained his membrane protein science effort, including questions and discussion.
•The Spaceflight museum held a presentation about BLAST (Balloon-borne Large-Aperture Sub-millimeter Telescope), a scientific ballooning project dedicated to understanding the origins of the Universe.
•Kevin Warwick, Professor of Cybernetics at the University of Reading, gave a talk entitled "Upgrading Humans: Why not ?”

If you would like to participate in this cutting-edge initiative, please contact Joanna Scott to suggest a topic and to find out more about this strange but exciting new format. You can contact her in the usual world directly by email or find her in Second Life, where she is known as Joanna Wombat. I would also be happy to forward any emails sent to her via the Nature journals authors' email address, or you can drop a comment to this post.

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Rough Guide to Climate Change

The shortlist for this year's Royal Society science books awards was announced last month, featuring in Nature's Spring Books issue of 12 April 2007 (page 731). The winner will be announced this evening (15 May). Tipped to win is Daniel Gilbert's Stumbling on Happiness. Whatever the result, one of the shortlisted books, The Rough Guide to Climate Change, has been doing very well in the UK charts, having sold more than 9,500 copies by the beginning of May since its first publication in September last year.
The Rough Guide to Climate Change is described by the publisher as "a complete, unbiased guide to one of the most pressing problems facing humanity. From the current situation and background science to the government sceptics and possible solutions, this book covers the whole subject." And, appropriately for a travel-guide series, the book "also includes lifestyle advice and tips for consumers who want to make a difference in tomorrow's climate, and comes complete with a glossary of websites for further information."
The author, Robert Henson, is a past contributor to Nature's news pages. Here is one of his stories: "The heat was on in 2005", from news@nature.com.

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Review on DNA nanomachines in Nature Nanotechnology

Nature Nanotechnology, the journal that brings science and nanotechnology together at the nanoscale, is now in volume 2. The latest issue of this second volume covers real-time single-molecule imaging; magnetic resonance force microscopy; protein detection; nanotube growth; quantum information; multiple nanodot formation; and the use of nanoparticles to deliver DNA into plant cells.
This issue also contains a freely available review article on DNA nanomachines by Jonathan Bath and Andrew J. Turberfield (Nature Nanotechnology 2, 275 - 284; 2007) – currently one of the hottest topics in all of nanoscience and nanotechnology. Research on building synthetic molecular machinery from DNA is inspired by biological systems in which individual molecules act, singly and in concert, as specialized machines: our ambition is to create new technologies to perform tasks that are currently beyond our reach. DNA nanomachines are made by self-assembly, using techniques that rely on the sequence-specific interactions that bind complementary oligonucleotides together in a double helix.
The current issue of Nature Nanotechnology is available here.

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Congratulations to Annette Thomas

Congratulations to Annette Thomas, head of the Nature Publishing Group, who has won the Kim Scott Walwyn prize, set up in 2004 to celebrate outstanding achievements by women in publishing.
The prize honours a career that includes 14 years at Nature Publishing Group, where Annette rose from the role of assistant editor on Nature to launch editor of Nature Cell Biology, to launch publisher of the Nature Reviews Journals, to her current position as managing director, and her appointment in 2000 to an executive director's position at Macmillan Publishers.
Here is an article in The Guardian about Annette's award.
And here is Richard Charkin, CEO of Macmillan, on the same topic.

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Journal publishing awards announced

The Association of Learned and Professional Society Publishers (ALPSP) and publishing solutions provider The Charlesworth Group, typesetters of Nature, have announced four new awards to recognize significant achievement in the field of learned and professional publishing.
The awards -- for best learned journal; best online journal; publishing innovation; and best new journal -- are open to all publishers, societies and journal owners across the globe. A panel of independent experts will judge the applications.
All entries should be submitted on or before 31 May 2007. The winners will be announced at the Annual Dinner of the ALPSP in London on 13 September 2007. More information on the awards is available here.

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An early review of Nature Network

Attila Csordas of the biotechnology blog "Partial Immortalization" reviews Nature Network, the social site for scientists. He writes:

At this point I am strongly supportive of NN as I embraced its core mission a long time ago: “Connecting scientists at a global and local level.”

In his article, Attila compares the Nature Network to LinkedIn, a site for job seekers in the business, IT and technology industries. Although Nature Network is smaller, it is much younger, and has a broader range of operation:

According to the numbers, Nature Network is currently a very small but organically growing strong online community. This is exactly the most exciting period in the life cycle of every forming network, so it is a guaranteed experience and challenge to join and participate - now at least - for people like me, who are eager to test and modulate every flexible beta product.

If you are interested in participating in a "Web 2.0" social network for scientists, then it is worth reading this review, which investigates the benefits and pitfalls for scientists of making Nature Network their main networking site. The verdict? "From the user-scientist point of view, NN is good for scientists hungry for all level of scientific information and contacts."

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Free Nature technology feature on cell biology

The study of cellular structures and molecules requires development of cutting-edge techniques in biology, biochemistry and nanotechnology. A FREE Nature technology feature "Close-up on cell biology" (Nature 446, 937-940; 2007) highlights new tricks and tools available to cell biologists.

The dawn of the nano-era has placed a whole new array of tools in the hands of cell biologists who are keen to go deeper into the intricacies of how cells work. Forever pushing the boundaries, cell biologists are shifting focus from the micro- towards the nano- and even sub-nano level. To do so means having to find ever more creative ways of using not just biology, but also elements of physics, materials science and engineering. Biophysicists, nano-technologists, nanofabricators and electrical engineers are working side by side to probe further into the cell.

Regular updates on cell biology, selected from the news coverage in Nature, Nature Medicine and Nature Biotechnology, are available here.

An online archive of Nature's technology features in the field of cell biology is available here.

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Integrating scientific cultures

In a meeting report in the current issue of Molecular Systems Biology (3, 105; 2007), Trey Idecker, Vineet Bafna and Thomas Lemberger write that "a key challenge of systems biology is that it must integrate several disciplines, each with a very different culture for disseminating results. Within biology, manuscripts describing new work are almost always published in peer-reviewed periodicals. In contrast, within computer science and the engineering fields, new methods and results are typically presented as full-length papers at meetings and workshops. Just as journals have editorial boards that handle review of manuscripts, such conferences assemble large and reputable programme committees, which fulfill the same purpose. Publication in the best conferences, as for the best journals, is highly competitive.

This past December, several hundred scientists convened in La Jolla, California for the Second Annual RECOMB Workshop on Systems Biology (December 1–3, 2006). The meeting, which was held jointly with the RECOMB Workshop on Computational Proteomics, took place at the California Institute for Information Technology and Telecommunications in the University of California San Diego campus. RECOMB, which stands for Research in Computational Biology, has for a decade sponsored conferences that attract high-quality papers in bioinformatics, primarily from computer science.

In an effort to integrate the computational and experimental biology communities, RECOMB and Molecular Systems Biology entered into a partnership by which original, peer-reviewed papers are presented orally at the Workshop on Systems Biology and then appear as full-length manuscripts in the pages of the journal. The precise publication model was formulated after much discussion between the editors of the journal and the organizers of RECOMB. It is original and, we hope, will serve as a case study for future conferences."

See the Molecular Systems Biology website for more news of this project.

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Nature web focus for the marsupial genome

Marsupials split off from the main mammalian lineage millions of years ago, and have been studied by biologists for years to discover what they can tell us about ancient mammals, particularly the evolution of mammalian sex chromosomes. Plus they are cute! The first marsupial genome has been sequenced and analysed from a tiny opossum named Monodelphis domestica, reported in the current issue of Nature 447, 167-177; 2007. This article, together with an archive of articles on marsupial genetics and genomics, is presented in a feeely available Nature web focus.

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Starting at the top

Scientific élites retain a severe gender imbalance, according to an Editorial in this week's Nature (447, 115-116; 2007). Seventy-two names are on the list of new members of the US National Academy of Sciences, elected on 1 May. Nine stand out: Tania Baker, Ursula Bellugi, Karen Cook, Mary Estes, Pamela Fraker, Angela Gronenborn, Helen Hobbs, Laura Kiessling and Eve Marder.
Two years ago, the academy elected 19 women to its ranks; this year, the number is less than half of that. Over the years there have been a plethora of programmes designed to introduce women into science, and more sporadic efforts to keep them in the career pipeline while they bear and raise children. Yet women have still not come remotely close to closing the gender gap at the senior level.

Continue reading "Starting at the top" »

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Nature China's research highlights this week

Below are this week's research highlights from Nature China, dedicated to highlighting the best research from mainland China and Hong Kong, and providing scientists from around the world with a convenient portal into research in all disciplines. The editors select the best research recently published and provide a summary of the results as research highlights. Users can also recommend papers to be included in Nature China and vote/comment on those suggestions.
CHEMISTRY
Organometallic chemistry: Tied at both ends. A zinc-zinc-bonded compound with a longer bond length
CLINICAL MEDICINE
Sexually transmitted diseases: Fatal attraction. The spread of sexually transmitted diseases in a population is affected by the fatality of the disease
ECOLOGY & EVOLUTION
Primitive animals: No hurry to grow. Fossilized embryos from the first animals show evidence of a resting phase during development
GENETICS
Rice yield: Bumper crop?The control of the size and weight of rice grains revealed
Cancer: Deadly insert. Variations in the immune system can influence cancer risk
MATERIALS
Carbon nanohorns: Miniature drug dealers. Carbon nanohorns coated in a special organic polymer can safely
deliver drugs into cells
Quantum dots: Cell illuminators. Soluble, non-toxic, fluorescent quantum dots can provide excellent
illumination for biological images without harming cells.

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Key narrative

From Nature's Authors page (Nature 447, xi; 2007):
It's one thing to review a book about events in your scientific field; it's quite another to find yourself a character in the story. Per Ahlberg, a palaeontologist at Uppsala University in Sweden, says he experienced "a dislocating feeling" while reviewing Swimming in Stone: The Amazing Gogo Fossils of the Kimberley by John Long. Ahlberg found that he had a "walk-on part" in the story about the finding, excavation and analysis of a treasure trove of fish fossils in an Australian barrier reef that is now above ground. Ahlberg's feeling of displacement increased when he came across "a rather unflattering photo of me with Mike Coates in the field".
Perhaps because of his proximity to the story, Ahlberg enjoyed the review process. "The pleasure of reviewing a book like this one is that not only is the subject familiar to me, but I've been to the locality and I know many of the people who featured in it." Despite some minor quibbles about details, Ahlberg was able to give the book his seal of approval. "I didn't have to throw the thing at the wall in frustration," he smiles.

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Making names and descriptions available to all

Three Correspondence letters in this week's Nature (447, 142; 2007) all concern information on the web, in rather different ways.
Mark Gerstein and colleagues raise the oft-discussed question of structured abstracts in journal articles: that is, an abstract that contains bold headings to introduce the text. The difference here, though, is that the structured abstract is for digital publication, and would use a web standard such as XML or OWL, to allow automated literature mining.
In another letter, Douglas Crawford highlights the Human RefSeq database as a standard for genes that have more than one name: a common occurrence. Associations between genes can only be made accurately when the gene and all its synonyms can be correctly identified. If genes in a publication were identified via RefSeq, genomic analysis would be more likely to identify genes of common interest
Finally for this week, Quentin Wheeler and Frank Krell comment on a Commentary in Nature's Linnaeus special issue. They say that mandatory online registration of taxonomic names should accompany any new species description, to ensure true accessibility and knowledge.

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New edition of Nurture is out

The latest edition of Nurture, the magazine for Nature journal authors, is now out, featuring articles on authors and editors from the Nature journals, our latest new journal Nature Photonics, Nature's new News and Views Q/A format, Second Nature (Second Life), highlights from Nature's history, the new online publications Nature Reports Avian Flu and Nature Network Boston, how to write a bestselling science book, Nature Structural and Molecular Biology's service for 3D protein structure visualization, and more.

Authors have a degree of curiosity about what goes on at the journal after their paper is submitted. Nurture is intended to give authors an inside look at our procedures, and to tell them about services we offer. What happens after you submit your work? Why do we issue a press release and how is it created? What happens when your paper is featured in News and Views or in the international press? How do we decide what services to introduce? What are the editors like?

We hope that Nurture will help to reveal some of the processes that happen behind the veil of the Nature journals, and will convey something of what it is like having a paper published in one of them. We also hope that Nurture is an entertaining read.

The print edition of Nurture is sent to Nature journal authors who have published a paper in the past year, so if you fall into this category, you should be receiving your copy soon if you haven't already. It is also available free of charge as a digital edition, which you can obtain by clicking on the underlined part of this sentence.

Please let us know what you think of Nurture, either in the comments here or via email. What would you like to read about in future issues? Please send us your feedback about your experiences as a published author in the Nature journals, or your suggestions for content. Letters on the topic of authorship can be submitted for publication in Nurture, by email.

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Nature's spring book reviews

Nature's Spring Books issue is published this week. Books reviewed include:
I Am a Strange Loop by Douglas R. Hofstadter (reviewer Susan Blackmore)
Plutonium: A History of the World's Most Dangerous Element by Jeremy Bernstein (reviewer John S. Rigden)
The Canon: A Whirligig Tour of the Beautiful Basics of Science by Natalie Angier (reviewer Kathleen Taylor)
Coral: A Pessimist in Paradise by Steve Jones (reviewer Daniel Pauly)
The Invisible Sex: Uncovering The True Roles Of Woman In Prehistory by J. M. Adovasio, Olga Soffer & Jake Page (reviewer Pat Shipman)
Useless Arithmetic: Why Environmental Scientists Can't Predict the Future by Orrin Pilkey & Linda Pilkey-Jarvis (reviewer Roger Pielke, Jr)
Swimming in Stone: The Amazing Gogo Fossils of the Kimberley by John Long (reviewer Per E Ahlberg)
Why Beauty Is Truth: The History of Symmetry by Ian Stewart (reviewer Joseph Mazur).


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Breaking barriers project for women in science

Where are the women in science? And what would attract them from other sectors? So asks Jan Bogg, director of the Breaking Barriers Project at the University of Liverpool, UK, in NatureJobs this week (Nature 447, 114; 2007). She discusses means, such as mentoring schemes, by which employers can help to change the culture that has led to an under-representation of women in the profession. "Currently my work is focused on developing the lessons learned into frameworks for change in policy and practice. This includes new research evaluating mid-career women working in the bio- and health-sciences sectors. Issues to be addressed include barriers, drivers and progression to seniority. The challenge for employers is to listen to research evidence and to adapt to changing workforce needs."
Readers are invited to complete an online questionnaire on the topic.

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Praising or lamenting the brain drain?

The authors of two contributions to Nature's Correspondence page differ in their responese to the Editorial " In praise of the 'brain drain'" (Nature 446, 231; 2007).

Volker Hiene of the Cavendish Laboratory, Cambridge answers the question of how UK science flourishes despite the continual brain drain to California and elsewhere by highlighting "the compensating in-drain from the Commonwealth, the rest of Europe and elsewhere" (Nature 447, 28; 3 May 2007). He says: "Instead of complaining about the brain drain out, we should be encouraging the brain drain in. All PhD research studentships could be open equally to anyone in the world. Even those who then go back to their home country make a contribution in addition to the work they have done here: in a few years' time they start sending us their best output as PhD students or young postdocs, and the cycle repeats itself, with some of the new crop staying on."
Andrew Isaac Meso of Royal Holloway College, University of London, however, believes "that there is nothing to praise about the brain drain when it occurs en masse from the developing countries into richer, more developed ones with dramatically more power." See his Correspondence, also at Nature 447, 28; 3 May 2007.


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Welcome to Climate Feedback blog

Please join me in welcoming Climate Feedback, a new blog hosted by Nature Reports: Climate Change to facilitate lively and informative discussion on the science and wider implications of global warming.
Launching later in May, Nature Reports: Climate Change is a new online resource from Nature Publishing Group, dedicated to in-depth reporting on global change. In light of the need for greater understanding of and access to information on climate change, the new website will vastly extend Nature’s reporting on this important issue. This resource hub on global warming will cover the science of climate change through reviews, research highlights and features, as well as casting a wider net to cover the larger implications of climate change for policy, society, and the economy. A key feature will be its interaction with the wider community, initiating dialogue, debate and discussion through regular blogs and podcasts.
Nature Reports: Climate Change already carries links to various resources, web focuses and news coverage already published in Nature and the Nature journals. You can sign up for the free e-alerts to receive news of when the site officially launches and regular updates. We are also welcoming your suggestions for features and material to include.

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A round-up from the Sceptical Chymist

A round-up of some interesting posts on The Sceptical Chymist blog.
Endangered elements: platinum, helium and iridium are running out. Any others?
Add it up: how good, or bad, are chemists at maths?
Reactions: what made Jonathan Steed a chemist?
Pour some sugar on me: about Nature's glycochemistry and glycobiology Insight.
What's the hardest of them all?: the hardest-ever material, but is it new?
And finally, of direct use to authors: 50 ways to write a (cover) letter, in which Nature senior editor Joshua Finkelstein provides some useful tips.

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Online resource for stem cell biology.

Nature Cell Biology's May issue (9, 481; 2007) contains an editorial providing some background and more information about our new Nature Reports publication -- Nature Reports Stem Cells:
Stem cell research is only a quarter century old and it is already the most publicly visible of the biological sciences. This is not surprising, given the broad clinical potential, the ethically charged directions in which some of the research is taking us and, above all, the magic of uncovering the molecular nature of self renewal and immortality. The stem cell community has grown significantly and the field touches on most other disciplines, as stem cells have been found in a plethora of embryonic and adult tissues, and as the molecular mechanisms underlying self renewal and commitment have begun to emerge.
It is has been remarkable how proactive and successful a number of leaders in the stem cell community have been in publicly representing research interests. Nevertheless, the interdisciplinary nature of stem cell biology and the associated political and ethical complexities necessitate a dedicated international professional body to formally represent the community, as much as they require an authoritative forum to foster information exchange between researchers and to keep the public and policymakers abreast of the latest research. The foundation of the International Society for Stem Cell Research (ISSR) in 2002 was one essential step. In the meantime, many journals have been actively covering stem cell biology. However, a dedicated forum that ties together basic and medical stem cell research, and that reports on ethical, political and economical aspects of the research has been missing.
With this in mind, Nature Publishing Group is launching a gateway dedicated to stem cell research.

Continue reading "Online resource for stem cell biology. " »

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Contributing more to science

Scientists have a crucial role in educating the public about the importance of science if we are to have any hope of facilitating future innovation. A few notable scientists have taken this duty to heart, altering their career tracks to promote science and education. So states Nature Structural & Molecular Biology in the May issue's editorial (14, 353; 2007)

But what makes one place more conducive to innovation than another? Certainly money invested in science and education is an important part of the equation, but other factors are equally critical. The quality of education the next generation receives is essential to give them the knowledge and skills needed to drive innovation. That can be achieved only with higher levels of success across disciplines. The ability to recruit and keep the world's most talented people is also of key importance. By not giving visas to leading foreign scientists and thus sending foreign students to other countries, the US has severely limited the potential for scientific exchange in this country. Finally, it is important to create an environment where people are encouraged to think creatively and where risk-taking is rewarded.
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Share your lab notes

Here is the full text of an Editorial in today's Nature (447, 1-2 ;3 May 2007), which is freely available. For further details of the Nature journals' policy on fraud and fabrication, see the Author and Reviewers' website. Comments on this editorial are welcome.

The use of electronic laboratory notebooks should be supported by all concerned.

Too often when errors or cases of fraud occur in science, the lab data required to reconstruct what happened have gone astray. And too often, the co-authors failed to exert due scrutiny on their colleagues' activities in order to prevent such misfortunes. The damage to personal and institutional reputations can be severe and, in rare high-profile cases, public trust can be eroded.

It is therefore in everyone's interest to pre-empt such cases as far as possible. Electronic laboratory notebooks offer a partial solution — and have other advantages too. This is despite the fact that maximizing their benefits will require a change in culture that many researchers will no doubt initially resist.

Continue reading "Share your lab notes" »

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This week's Nature China updates are available

Nature China is a new publication which highlights the best research coming out of Mainland China and Hong Kong, providing scientists from around the world with a convenient portal into publications drawn from across all scientific disciplines. Each week, our editors select the best published research and provide a summary of the results. By organizing this research into a comprehensive, regularly updated, one-stop web portal, we hope to help you quickly reach the resources you need to study and to keep up-to-date with the most significant research coming out of mainland China and Hong Kong.
Users can also recommend papers to be included in Nature China and vote/comment on those suggestions. The best of these, chosen by you, are included within the Nature China archive.
For the current, just-updated research highlights across all the disciplines, visit the Nature China site. You can also sign up for regular updates by email.

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Right to cite, or citing not right?

Euan Adie, on his Nature Network blog FnL, posts about Shelley Batts' Retrospectacle review of a paper about treating fruit with natural volatile compounds to make it last longer, in which she included a figure and chart from the paper (the source was cited). An editorial assistant at the Journal of the Science of Food and Agriculture – where the paper was published – threatened her with legal action unless she removed the images immediately. The blogosphere reacted with predictable speed and free-expresssion, documented in Euan's FnL post.
Euan goes on to ask whether the reaction is, in the cold light of a couple of days later, reasonable, looking at the incident both from the point of view of the publisher concerned as well as the blogger. As he puts it: "Storm in a teacup or dark conspiracy?" There is a good debate in the comments to the FnL post, so if you are interested in weighing up these pros and cons, and would like to add your take, please take a look.

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A word about Nature Clinical Practice

As the amount of original clinical research continues to grow, it has become increasingly difficult to keep up with the current literature while still devoting substantial time to patient care. Nature Clinical Practice journals deliver timely, authoritative interpretations of key research developments, translating the latest findings into clinical practice.
Content includes editorial and opinion pieces, highlights from the current literature, commentaries on the application of recent research to practical patient care, thorough reviews, and in-depth case studies. Our distinguished Editors-in-Chief and international advisory boards ensure comprehensive coverage throughout the year, with discussion of topical issues included as soon as possible after publication of the original research.

Featured articles from our most recent issues, all available via the Nature Clinical Practice homepage:
Drug Insight: statins for nonischemic heart failure—evidence and potential mechanisms
Michael J Lipinski, Antonio Abbate, Valentin Fuster and George W Vetrovec
Should every patient with traumatic brain injury be referred to an endocrinologist?
Gianluca Aimaretti and Ezio Ghigo
Is the prevalence of idiopathic ulcers really on the increase?
Dorothy KL Chow and Joseph JY Sung
Case-mix factors explain the survival advantage of Hispanic and racial minority patients on hemodialysis
Dana Miskulin
Drug Insight: the use of melatonergic agonists for the treatment of insomnia—focus on ramelteon
Seithikurippu R Pandi-Perumal, Venkataramanujan Srinivasan, Burkhard Poeggeler, Rüdiger Hardeland and Daniel P Cardinali
Advances in primary and secondary interventions for cervical cancer: human papillomavirus prophylactic vaccines and testing
Cosette M Wheeler
Therapy Insight: scleritis and its relationship to systemic autoimmune disease
Justine R Smith, Friederike Mackensen and James T Rosenbaum
Defining the role of overactive bladder treatments in men with lower urinary tract symptoms
Gary E Lemack

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Electronic paper rewrites the rulebook for displays

Following years of development, electronic paper is now entering ebooks, mobile phones and signs, and, as Duncan Graham-Rowe reports in the current issue of Nature Photonics (1, 248 - 251; 2007), is starting to gain the market acceptance that it has long strived for. Will it be good enough for your research notes or next scientific paper? Various of the new display technologies now coming onto the market are checked out in this useful Nature Photonics round-up. Duncan Graham-Rowe concludes: "Ultimately, however, putting aside the novelty of having a flexible display, the real innovation with electronic paper will be the viewing quality in these screens. For many consumers the simple ability to read the electronic screen in bright sunlight without frowning will be more than enough to convince them."

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Scopus to incorporate h-index

Scopus, the abstract and citation database of peer-reviewed literature and quality web sources, will incorporate the h-index soon. The h-index considers the publication records of an individual, the number of papers published over n years and the number of citations for each paper. The result is a single number, the h-index. To provide the user with additional clarity Scopus sys it will include visual aids that present a transparent overview of citation and publication patterns over time, revealing whether the h-index is dependent on a few highly cited papers or that the author’s papers have a relatively consistent volume of citations.
See here for a recent Nature Commentary on the h-index; and see here for a 2005 Nature news story "Index aims for fair ranking of scientists".