Over the past 4 million years our mouth changed a lot, but the speed and scope of this change has been unknown. New research sheds light on this mystery.
In some parts of human evolution the number of human species decreases. Research suggests this is due to missing data, and there’s more species out there.
African footprints from 700,000 years ago reveal early humans butchered a hippo together as a family, with children as young as 6 months old taking part.