It has long been accepted that cells benefit from actin polymerization and actomyosin contractility when they migrate, as they give cells the flexibility they need to travel across cell matrices, says a Johns Hopkins University press release. But Johns Hopkins chemical and biomolecular engineering professor Konstantinos Konstantopoulos and his team have found that conventional wisdom doesn't mean much.

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In Science this week: factors influencing retrotransposon integration sites, and more.

A bioethicist argues for the responsible use of germline gene editing.

Some breweries are using DNA-based testing to determine whether unwanted bacteria are affecting their beers, The Verge reports.

Standardized N-of-1 trials will be needed to test out personalized medicines, writes Nicholas Schork from the J. Craig Venter Institute at Nature.