sperm
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Sperm Counts Have Plummeted Among Western Men, Scientists Confirm
Image: Shutterstock Something weird is going on with human sperm production. For decades, scientists have warned that sperm counts are dropping among Western men, but no one has really been able to prove it. In what is now the largest and most comprehensive study of its kind, scientists have presented compelling evidence in support of…
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Scientists Found a Good Use for Surplus Sperm
A team of German scientists were wondering how to deliver medications into the female reproductive tract and realised, hey, why come up with something new? The human body already produces its own little machines perfectly suited to deliver their goods to that same spot. So, why not tame our little sex swimmers as a means…
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Scientists Have Bred Live Mice With No Need For Fertilised Eggs
For the first time ever, scientists have produced live mice without a fertilised egg cell. The potentially revolutionary technique could one day allow gay men to produce biological offspring, or — even more radically — allow both men and women to self-fertilise.
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This On-Off Switch For Sperm Could Lead To Better Male Birth Control
Researchers have just found an on-off switch for sperm movement. This has the potential to help men who are infertile, but it also has the potential to help all men. It could be an effective form of male birth control.