Did you ever wonder how ancient peoples managed to stay warm in bitterly cold weather like this?
Ice-age mammal bones provided a nice fire, researchers say. But to get the fire started, Siberian migrants who began a trek to America 25,000 years ago needed woody shrubs, which were growing in only one region, according to a study in Science. The findings help explain how the migrants survived for 10,000 years in what was thought to be a land devoid of trees and why no archaeological traces of their settlements have been found. Continue reading