This Week in PNAS

In PNAS this week, Stanford University's Sebastian Maerkl and Stephen Quake study the evolution of transcription factors. In this work, they created all possible 95 single-point mutations of five DNA-contacting residues of Max, a human helix–loop–helix transcription factor, and then measured the DNA binding of each mutant.

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Researchers in China have generated mouse pups from same-sex parents, according to Scientific American.

Two research teams find a role for PIEZO2 in touch sensitivity after injury and inflammation.

The South China Morning Post reports that Hong Kong plans to add HK$20 billion (US$2.6 billion) to a research endowment.

In Science this week: open genetic genealogy databases can lead to the identification of individuals who have not sought testing, and more.