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 ...

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

Carol Miranda paid a surgeon in Los Angeles thousands of dollars last year to permanently change her eye color from dark brown to hazel. Miranda, a now 49-year-old sales associate, had dreamed since ...

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 ...

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 ...