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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.


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.


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.


image: Contributors


By | July 1, 2013

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


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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