The US government has OK'd a human study using a therapy derived from embryonic stem cells to treat Stargardt disease, a rare disease that causes loss of vision, says the AP's Malcolm Ritter. This is only the second embryonic stem cell study the government has ever approved in humans. It will be conducted by California biotech company Advanced Cell Technology, and should begin early in 2011.

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NPR reports that Turkish high school students will no longer study evolution.

Researchers report they sequenced and identified plant species in an "al fresco" laboratory.

An Australian team searches for genetic alterations linked to depression in hopes of developing personalized treatments, the Sydney Morning Herald reports.

In PNAS this week: host contributors to typhoid fever risk, effects of obesity-related variants near TMEM18, and more.