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For Hornless Cows

University of California, Davis, researchers have used gene editing to develop dairy cows that lack horns, Science Friday reports. Holsteins and Jerseys have their horns removed at a young age so they don't harm each other or farm workers. However, Angus cattle are naturally hornless, leading the Davis researchers to try swapping out the Holstein horn gene for the Angus one.

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Science reports that a new White House Office of Management and Budget memo rescinds previous ones that helped research institutions deal with pandemic-related closures.

Researchers report on a concerning strain of the H1N1 swine flu virus found among pigs in China, Agence France Presse reports.

The Associated Press reports that US officials are considering allowing pooled COVID-19 testing.

In Genome Research this week: Y chromosome gene expression analysis, de novo mutations rise with paternal age in rhesus macaques, and more.