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In work published in the early online edition of PNAS this week, scientists study how evolutionary selection affects modes of gene regulation. Using a model that takes into account genetic drift, mutation, and time-dependent selection, they found the "effective population size and the typical time scale of environmental variations to be key parameters determining the fitness advantage of the different modes of regulation," they say in the abstract.

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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.