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image: Q&A: Zika Damages Mouse Testes, Reduces Fertility

Q&A: Zika Damages Mouse Testes, Reduces Fertility

By | October 31, 2016

Michael Diamond of the Washington University School of Medicine in St. Louis and colleagues tracked the virus in the male mouse reproductive tract over several weeks.

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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: Guppie Porn

Guppie Porn

By | August 1, 2016

Biologist Carin Bondar delivers a TED talk about the wilder side of sex.

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image: Embryo Watch

Embryo Watch

By | May 5, 2016

A new culture system allows researchers to track the development of human embryos in vitro for nearly two weeks. 

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image: Meiotic Mysteries

Meiotic Mysteries

By | May 1, 2016

Understanding why so many human oocytes contain the wrong number of chromosomes

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image: A Scrambled Mess

A Scrambled Mess

By | May 1, 2016

Why do so many human eggs have the wrong number of chromosomes?

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image: Obesogens

Obesogens

By | November 1, 2015

Low doses of environmental chemicals can make animals gain weight. Whether they do the same to humans is a thorny issue.

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image: Fat Factors

Fat Factors

By | November 1, 2015

A mouse's exposure to certain environmental chemicals can lead the animal—and its offspring and grandoffspring—to be overweight.

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image: Fertility Treatment Fallout

Fertility Treatment Fallout

By | January 1, 2015

Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.

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image: Focus on Sex

Focus on Sex

By | December 29, 2014

In 2014, new research findings and guidelines brought increased attention to biological differences between males and females.

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