McClintock’s study also assumed each boarder had a standard 28-day menstrual cycle. Before the 2000s, this was widely ...

Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of ...

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery-how "selfish chromosomes" cheat the rules of genetic inheritance.

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