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"Contamination of various sorts has plagued genome projects from the get-go," complains Keith Robison at Omics! Omics!. Doing some background searching, he found a lot of contamination in sequence data sets, including plasmids and vectors among eukaryotic sequences. He says a New Year's resolution for everyone should be to recheck sequencing pipelines. "The solution is to run filters -- search everything you do against vectors, E.coli and other common contaminants.

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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.

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

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

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.