A genetic study of 80 skulls found at a Stone Age city in China has revealed that the sacrificed people were mostly men, in contrast to previous assumptions.
The Geminid meteor shower has begun. The Geminids peak overnight on Dec. 13 and 14, when up to 150 "shooting stars" per hour will rain down on Earth in a moonless night sky.
Temporarily shutting down a "lazy eye" triggers a burst of neuronal activity that reverses the condition in animal experiments, a study shows.
A volcanic eruption in 1345 may have kicked off a series of events that led to the Black Death sweeping through medieval Europe.
