Testing substances for toxic effects still relies largely on animal experiments, and is an expensive and time consuming approach that can provide results of limited value for human health. Researchers from Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland, have now won US$6 million from the National Institutes of Health (NIH) to begin an ambitious project to develop an alternative testing approach.
The melting Arctic is allowing previously separated whale populations to interact, satellite tracking data has shown.
Global attempts to combat child mortality will probably fail to achieve UN goals, despite billions of dollars of investment, according to new reports.
The MacArthur Foundation has awarded its annual round of prizes — US$500,000 ‘no strings attached’ grants often called the ‘genius grants’. Among this year’s 22 recipients are nine scientists.