The sequencing of a boy belonging to the ancient American Clovis culture, published last week in Nature , showed that indigenous groups from North and South America are related to a single population that crossed the Bering land bridge from Asia.
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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.