Nature Protocols is currently offering free access to all of volume 2 for the month of May. The current issue (vol 2, no. 5) includes:

>Immobilization of enzymes on heterofunctional epoxy supports

>Generation of a defined and uniform population of CNS progenitors and neurons from mouse embryonic stem cells

>Isolation and culture of rat and mouse oligodendrocyte precursor cells

>Synthesis of oligo-RNAs with photocaged adenosine 2’-hydroxyls

>Identification and insertion of 3-carbon bridges in protein disulfide bonds: a computational approach

As well as reading current content, at the Nature Protocols site you can also upload your own protocol directly, view movies of protocols, join the discussion forums, add comments to protocols on the site, and check out the “tools and reagents” page, in which details are provided of how to make up some commonly used reagents, as well as an updated list of all the basic equipment that researchers will need to perform the protocols published.