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Genetic mutations that made ancient people shorter and more prone to osteoarthritis may have also helped them endure an ice age, the New York Times reports.

"There are many cases like this where evolution is a trade-off," study author and Stanford University researcher David Kingsley tells the Times.

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NPR reports that researchers in New York are investigating whether it is possible to edit the genomes of human sperm.

A letter criticizing actions by the US government and research institutions toward Chinese and Chinese-American scientists has garnered more than a hundred signatories.

In an opinion piece at the Nation, Sarah Lawrence College's Laura Hercher argues that everyone should be able to access prenatal genetic testing.

In Nature this week: ancient DNA uncovers presence of Mediterranean migrants at a Himalayan lake, and more.