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If Technology Review is right, we may have to stop making fun of those DNA-based ancestry sites. According to this article, the popularity of large-scale studies like GWAS is providing markers that appear to be more indicative of actual ancestry than some of the early-days markers that have been used to date. Of course, if the ancestry companies started using high-density arrays to look at hundreds of thousands of regions across the genome ... well, then they'd just be 23andMe.

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The World Health Organization will be providing low-cost COVID-19 tests to low- and middle-income nations, according to Reuters.

Nature News examines how the confirmation of Amy Coney Barrett to the US Supreme Court could affect scientific agencies.

Nobel Prize-winner Arthur Ashkin, who developed optical tweezers, has died at 98, the Washington Post reports.

In PNAS this week: altered gene expression in brain samples from Alzheimer's disease patients, effects of gene mutations found in bladder cancer, and more.