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George Williams Dies

Evolutionary biologist George Williams died last week, reports the New York Times. He was 83. In his 1966 book "Adaptation and Natural Selection," Williams laid out his argument that natural selection works at the level of the gene and individual, writing that "one should assume the adequacy of the simplest form of natural selection unless the evidence clearly shows that this theory does not suffice." The idea, the Times adds, was popularized in Richard Dawkins' "The Selfish Gene." Evolutionary biologist Douglas Futuyma tells the Times that Williams was "widely regarded by peers in his field as one of the most influential and incisive evolutionary theorists of the 20th century."

The Scan

More Boosters for US

Following US Food and Drug Administration authorization, the Centers for Disease Control and Prevention has endorsed booster doses of the Moderna and Johnson & Johnson SARS-CoV-2 vaccines, the Washington Post writes.

From a Pig

A genetically modified pig kidney was transplanted into a human without triggering an immune response, Reuters reports.

For Privacy's Sake

Wired reports that more US states are passing genetic privacy laws.

Science Paper on How Poaching Drove Evolution in African Elephants

In Science this week: poaching has led to the rapid evolution of tuskless African elephants.