Last November, the UK government announced a bold plan to phase out animal testing in some areas of research. Animal tests ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In a world first, surgeons at Massachusetts General Hospital ...

Plant seeds containing Cas9 are marked with a red fluorescent marker to tell which seeds contain Cas9. Using this method, it becomes possible to obtain seeds that have a knockout mutation in their ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...