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image: Scientists Solve Giant Sperm Paradox

Scientists Solve Giant Sperm Paradox

By | May 26, 2016

A study reveals why some male fruit flies produce sex cells that are 20 times the length of their bodies.

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image: The Hidden Side of Sex

The Hidden Side of Sex

By | July 1, 2014

Sexual selection doesn’t end when females choose a mate. Females and males of many animal species employ an array of tactics to stack the deck in their reproductive favor.

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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: Contributors

Contributors

By | July 1, 2013

Meet some of the people featured in the July 2013 issue of The Scientist.

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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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