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Ecology and Evolutionary Biology (EEB)

Recent news

EEB First Paper Award celebrates publication achievement

The Department of Ecology and Evolutionary Biology is delighted to present the EEB First Paper Award to Adrian Melo Carrillo on the publication of his first lead authored paper.

A fond farewell to outgoing UMBS Director Knute Nadelhoffer

After 17 years, a highlight reel of his many achievements.

RESEARCH FEATURE

Completing the set: ‘coupon-collection behavior’ reduces sex-ratio variation among families

A new analysis of sibling records from more than 300,000 individuals suggests that some parents continue to reproduce until they have children of both sexes.

The practice, which the two University of Michigan biologists who conducted the study dubbed “coupon-collection behavior” in human reproduction, appears to have increased in popularity in recent decades and reduces the amount of sex-ratio variation among families.

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