Medical research

Scientists create human sperm in lab, but does it work?

French researchers said Thursday they had patented a method to create sperm using stem cells harvested from infertile men—though they do not know if the lab-fabricated seed actually works.

Genetics

Timebomb in the testicles investigated

Oxford scientists have for the first time been able to identify the origins of some severe disease-causing mutations within the testicles of healthy men. This discovery will help our understanding of how certain serious genetic ...

Medical research

New technique overcomes genetic cause of infertility

Scientists have created healthy offspring from genetically infertile male mice, offering a potential new approach to tackling a common genetic cause of human infertility.

Diseases, Conditions, Syndromes

Evidence suggests COVID-19 isn't sexually transmitted

COVID-19 is unlikely to be spread through semen, according to University of Utah Health scientists who participated in an international study of Chinese men who recently had the disease. The researchers found no evidence ...

Medical research

Sperm crawl and collide on way to egg, researchers say

Scientists at the Universities of Birmingham and Warwick have shed new light on how sperm navigate the female reproductive tract, 'crawling' along the channel walls and swimming around corners; with frequent collisions.

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