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image: The Benefits of Being a “Bearded Lady”

The Benefits of Being a “Bearded Lady”

By Bob Grant | January 8, 2015

A study of female eastern fence lizards that bear a distinctly male trait yields tantalizing clues about the tradeoffs involved in blurring the lines of sexual dimorphism.


image: The Ultimate Wingman

The Ultimate Wingman

By Tracy Vence | November 1, 2013

Differential gene expression between dominant and subordinate male turkeys could help evolutionary biologists deconstruct the roots of sexual dimorphism.

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image: Lampreys Heat Up Before Mating

Lampreys Heat Up Before Mating

By Kate Yandell | June 28, 2013

Fatty tissues on backs of male fish get warmer in the presence of potential partners.


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