This Week in Science

In Science this week, an international team led by investigators at the University of Houston report the effects of epistatic interactions among mutations on fitness "for the first five mutations to fix in an experimental population of Escherichia coli." The team says that "epistasis depended on the effects of the combined mutations," such that "the larger the expected benefit, the more negative the epistatic effect." As a result, the team says that in its study, epistasis "tended to produc

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The Chan Zuckerberg Initiative is investing in Cold Spring Harbor Laboratory's BioRxiv.

A study appearing in PLOS One finds that shortened consent forms don't affect clinical trial participants' understanding of the study.

The National Security Agency monitored signal intelligence for signs of "nefarious" genetic engineering projects, Gizmodo reports.

In Nature this week: barley genome sequenced, method for genotyping and phasing short tandem repeats, and more.