The results of nearly 30 percent of clinical trials are not publicly disclosed within four years of completion, according to a study appearing in PLOS One.

Hiroki Saito from Carney Hospital in Massachusetts and Boston University's Christopher Gill analyzed some 400 randomly selected trials from the ClinicalTrials.gov database that were listed as being complete and calculated the time from them being finished to their publication.

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In PNAS this week: Akt3 amplification in glioma progression, Tibetan Plateau frog genome, and more.

The US Supreme Court has declined to review a decision involving the use of "inadvertently shed" DNA in a police investigation and subsequent conviction.

A panel at the New York Times discusses anonymity and privacy of users of 23andMe's services when access to its database is offered for research.

National Institutes of Health Director Francis Collins appears before a House subcommittee to discuss his agency's budget request.