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Korean researchers are developing E. coli to produce polylactic acid, a compound that is touted as a greener alternative to plastic, says The Economist. The Korea Advanced Institute of Science and Technology's Lee Sang-yup and his colleagues have been able to make PLA in one step, rather than the two-step process, by splicing in genes from Clostridium propionicum, Cupriavidus necator, and various species of Pseudomonas.

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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.