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Tag: Sperm


Izumo and Juno: Sperm-Egg Secret Unscrambled

Scientists said this week that they had made the long-sought discovery of how sperm latches onto an egg in the very first spark of reproduction, the outcome of a near decade-long hunt.

Posted on Apr 17, 2014 READ MORE



rbrwr (CC BY-SA 2.0)

Male Pill May Be Within Reach

Researchers investigating the cause of male infertility think they’ve spotted a means to male contraception. A group at the University of Edinburgh has identified a gene essential to late-stage sperm production. Developing a drug that turns off that gene or interrupts its functioning could lead to temporary infertility in men without tampering with hormones.

Posted on May 25, 2012 READ MORE



Apokolokyntosis (CC-BY)

Sperm Bank Bans Redheads

Cryos, an international network of sperm banks based in Denmark, is refusing donations from gingers, because, says director Ole Schou, there simply isn’t demand outside of Ireland, where red hair sells “like hot cakes.” The company is most interested in sperm from Indian donors and those with brown hair and eyes. (more)

Posted on Sep 18, 2011 READ MORE



Wikimedia Commons

Presenting: Sperm in a Test Tube

They’ve gone and done it, those crafty scientists: As reported by Nature (as in the publication), a team of Japanese researchers has successfully cultivated “fully developed sperm” from “immature mouse testicles.” And they’re not just showing off.

Posted on Mar 24, 2011 READ MORE


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Posted on May 6, 2008 READ MORE    


Fertilization
Wikipedia

Men Have Biological Clocks Too

A group of U.S. and UK researchers have suggested that children born to older fathers are likelier to develop autism.  The study of 132,271 Israeli children implies the possibility that men also have time constraints on procreation.

Posted on Sep 4, 2006 READ MORE


Study: Sperm Quality Deteriorates With Age

It apparently isn’t just women who have a biological clock.

Posted on Jun 7, 2006 READ MORE


America Becoming Haven for Designer Babies

Foreign couples are flocking to the U.S. to take advantage of medical techniques—banned in most countries—that allow the dictation of a baby’s sex.

 

Posted on May 15, 2006 READ MORE


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