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image: Why Female Orgasm Evolved

Why Female Orgasm Evolved

By | August 4, 2016

The phenomenon may have arisen to trigger hormonal surges and drive ovulation, scientists propose.

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image: Taking a Dino’s Temperature

Taking a Dino’s Temperature

By | October 15, 2015

Researchers develop a method for estimating the body temperatures of long-extinct species, and suggest that dinosaurs operated somewhere between endothermy and exothermy.

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image: Behavior Brief

Behavior Brief

By | May 21, 2015

A round-up of recent discoveries in behavior research

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In Chapter 3, “From Mating to Conception,” author Robert Martin explores the question of why humans and other primates frequently engage in sexual intercourse when females are not fertile.

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image: Widening the Fertile Window

Widening the Fertile Window

By | July 1, 2013

Women may be able to store viable sperm for longer than a week, thus contributing to apparent variability in pregnancy lengths.

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