Earlier this year, Leigh Anderson made a compelling argument in a Genome Technology cover story on biomarkers that without the validation step, biomarker discovery on its own doesn't mean a whole lot. "You could say that a biomarker candidate is discovered with proteomics," Anderson told us at the time, "but it’s possible to say that it’s really not a biomarker until you validate it. So, in a peculiar sense, the discovery actually occurs at the stage of validation."

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The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

In Nature this week: genomic ancestry analysis of Sardinians, current noncoding mutations in colorectal cancer, and more.