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image: Squirmy Sperm

Squirmy Sperm

By | November 12, 2015

Scientists observe another form of locomotion for male gametes, akin to a snake’s slither.


image: Common Chemicals Damage Sperm

Common Chemicals Damage Sperm

By | May 13, 2014

Researchers elucidate a molecular mechanism through which endocrine disrupting compounds compromise the viability of human gametes.

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By | September 1, 2013

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


image: You Are <em>When</em> You Eat

You Are When You Eat

By | September 1, 2013

Circadian time zones and metabolism


image: Behavior Brief

Behavior Brief

By | July 8, 2013

A round-up of recent discoveries in behavior research


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: 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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image: Why Women’s Eggs Don’t Last

Why Women’s Eggs Don’t Last

By | February 13, 2013

As reproductive tissues age, DNA repair mechanisms become less efficient, causing genomic damage to accumulate.


image: Ovulation Induced by a Nerve Growth Factor

Ovulation Induced by a Nerve Growth Factor

By | August 20, 2012

Researchers identify a nerve growth factor in semen that stimulates ovulation in certain mammals, and which could shed light on human infertility.

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image: Ovarian Stem Cell Debate

Ovarian Stem Cell Debate

By | July 9, 2012

Opinion is divided on a new paper showing that adult ovaries do not contain egg-making stem cells, contrary to the findings of two recent studies that themselves appeared to overturn longstanding dogma.


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