Neanderthals Far Lonelier Than Previously Believed
For thousands of years, two intelligent hominid species shared the European continent: early humans and Neanderthals. About 30,000 years ago, Neanderthals went extinct. Now one study suggests a possible reason: The Neanderthal population was very small, and very interrelated. In the new study published today in Science, a group of European researchers sequenced five mitochondrial…