Post #403

PETERPENCIL/GETTY IMAGES Human ancestors may have survived a brush with extinction 900,000 years ago About 1 million years ago, our distant ancestors hunted in small bands and gathered their food with sophisticated stone tools. Then, about 900,000 years ago, something happened: The number of breeding individuals dwindled to only about 1300, according to a new study modeling ancient population sizes. Our ancestors came within a hair’s breadth of extinction, and populations remained that low for the next 100,000 years or more, researchers argue today in Science. Read more »» science.org @Enviro_Climate