Genes may help explain why different people lose their virginity at different ages, according to a new study out of the University of Cambridge published in Nature Genetics.

Along with religious beliefs, family background, and peer pressure, genetic differences can account for a quarter of the variation in the age at which an individual first has sex. One of the genes linked to an earlier start to one's sexual odyssey, CADM2, is also correlated with risk-taking behavior and having a large number of children.

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The Associated Press reports that the US government wasted $341,000 on travel by former Health and Human Services Secretary Tom Price.

Women who post YouTube science videos get more critical comments and more comments about their appearance than male video hosts, the New York Times reports.

The Wall Street Journal writes that participating in genetic research brings up the specter of past research ethics lapses for some African Americans.

In PLOS this week: sequences influencing yeast prion aggregation or degradation, dengue virus genetic variants affect transmission dynamics, and more.