Humans were isolated in southern Africa for about 100,000 years, which caused them to “fall outside the range of genetic variation” seen in modern-day people, a new genetic study reveals. The findin… [+4928 chars]Read More
Rare genetic mutation lets some people thrive on just 4 hours of shuteye Live Science
A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the…
