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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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Nature News reports that researchers in Japan hope to soon test the use of reprogrammed stem cells to treat damaged corneas.

A new approach may help limit the number of fish that are mislabeled at markets or restaurants, according to New Scientist.

At Slate, the R Street Institute's Nila Bala discusses the privacy rights of suspects that genetic genealogy approaches in law enforcement bring up.

In PNAS this week: numerous mobile genetic elements contribute to Vibrio cholerae drug resistance, troponin I mutations in sudden infant deaths, and more.