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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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Two COVID-19 vaccine developers have released their trial protocols to build public trust, the New York Times reports.

A new analysis finds the rapid COVID-19 test from DnaNudge to be highly accurate, Reuters reports.

In Science this week: global citizens' assembly on genome-editing technologies proposed, epigenetic markers predict metformin response, and more.

According to the Verge, many US states are not including positive results from rapid COVID-19 testing in their case numbers.