'Inheritance through homology' is the most common and generally more accessible approach to function prediction, but orthology should be established where possible to improve confidence in predictions ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

The agency has lost a third of its work force this year. The Trump administration maintains that the losses are necessary, but critics say that there is no real plan, only animosity. By Apoorva ...

Poor Americans will face new challenges to enroll, and states will have to build new bureaucracies. By Margot Sanger-Katz and Sarah Kliff New work requirements are expected to leave millions of poor ...

Objective To evaluate systematic reviews of randomised controlled trials (RCTs) on the effects of exercise on general cognition, memory and executive function across all populations and ages. Methods ...

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