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In PNAS this week, scientists performed phylogenomic analysis of a dataset of 143 proteins and 48 taxa, including 19 excavates, to better distinguish between the known six suprakingdom-level groups of eukaryotes, specifically the group Excavata. Their findings say that Excavata is a monophyletic suprakingdom-level group that is one of the three primary divisions within eukaryotes, along with unikonts and a megagroup of Archaeplastida, Rhizaria, and the chromalveolate lineages.

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President-elect Joe Biden has nominated Eric Lander to serve as director of the Office of Science and Technology Policy, the Associated Press says.

Nature News writes that scientists are trying to figure out how to name the new strains of SARS-CoV-2 that are emerging.

The New York Times reports that researchers are studying identical twins who had COVID-19 to understand the influence of genetics on disease severity.

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