An ancient retrovirus that's been integrated into the human genome appears to become reactivated during embryonic development to help ward off other viral invaders, Carl Zimmer writes at the New York Times.

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Oxford Nanopore Technologies is looking into dual listings in London and Hong Kong, according to the South China Morning Post.

The New York Times looks into medical research funding in the US and how the grant system might not be funding the best work.

US lawmakers proposed increasing the National Science Foundation budget, including its facilities account, Science reports.

In PNAS this week: effects of gene deletions on bacterial metabolic networks, genetic responses to sea star wasting disease, and more.