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image: Obesity Alters Sperm Epigenome

Obesity Alters Sperm Epigenome

By | December 3, 2015

Moderately obese men display different epigenetic marks on their sperm than lean men, and bariatric surgery in massively obese men correlated with changes in sperm methylation.

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image: Ghosts in the Genome

Ghosts in the Genome

By | December 1, 2015

How one generation’s experience can affect the next

4 Comments

image: Squirmy Sperm

Squirmy Sperm

By | November 12, 2015

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

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image: Sperm RNAs Transmit Stress

Sperm RNAs Transmit Stress

By | October 19, 2015

Stressed male mice can pass on an abnormal stress response to their offspring via microRNAs found in sperm, a study shows.

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image: Inhibiting Sperm Protein Causes Infertility

Inhibiting Sperm Protein Causes Infertility

By | October 5, 2015

Two drugs targeting a protein in sperm cause reversible infertility in male mice, providing new hope for a male contraceptive.

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image: Sperm From Ovaries

Sperm From Ovaries

By | June 11, 2015

With the deletion of a single gene, female Japanese rice fish can produce sperm. 

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image: Call for Germline Editing Moratorium

Call for Germline Editing Moratorium

By | March 13, 2015

In response to speculation that groups have edited the DNA of human embryos, researchers request that gene editing of human reproductive cells be halted.

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image: Sperm Stem Cell Maintenance

Sperm Stem Cell Maintenance

By | March 2, 2015

A missing transcription factor puts an early end to sperm production in mice.

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image: Toward Lab-Grown Gametes

Toward Lab-Grown Gametes

By | December 30, 2014

From stem cells, scientists generate early egg- and sperm-like cells in vitro.

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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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