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Science this week has published eight technical comments on the December 2010 paper — authored by the NASA Astrobiology Institute's Felicia Wolfe-Simon and her colleagues — that sparked scientific debate among researchers who called into question its conclusion: that the authors had identified "a bacterium that can grow using arsenic instead of phosphorous." Among the eight published comments is one from the University of British Columbia's

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European regulators have begun a rolling review of Russia's Sputnik V SARS-CoV-2 vaccine, Reuters reports.

Science reports that Science Foundation Ireland is seeking annual budget increases.

According to the Financial Times, a UK university group is pushing Elsevier to lower its journal fees.

In Nature this week: satellite tracking and genome sequencing combination used to examine migration patterns of peregrine falcons, and more.