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If sperm can’t swim, life can’t go on. And a new study suggests that when evolution hit upon an effective strategy for making sperm move, it stuck

United statesKatie barottKelsey speerKatiel barottKelseyf speerLuella allen wallerDanar novikovProceedings of the national academy sciencesNational institutes of health grantNational science foundationPenn school of arts sciencesDepartment of biologyCharlese kaufman foundationNational academyKaneohe bayNational institutes