Getting in the Way

A new treatment for HIV could lead to a cure for the disease, reports Scientific American's Bob Roehr. Finding ways to block HIV has been an ongoing process, and the pieces of the puzzle have been slowly uncovered over the years. First, researchers came to understand that HIV enters a cell by using a CD4 receptor molecule and then attaching to the CCR5 co-receptor.

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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.