Custom-built antibodies don't always work the way they are supposed to and this can affect the results that researchers get in their experiments, NPR reports.

For instance, it notes that a multi-million dollar endeavor to develop a treatment for melanoma was disrupted after a researcher discovered that the antibodies being used were not dependable.

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

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.

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