Add Yahoo as a preferred source to see more of our stories on Google. Collecting water and caring for kids are daily necessities. Three Lions/Hulton Archive via Getty Images Think about taking a walk: ...

Long before humans became master hunters, our ancestors were already thriving by making the most of what nature left behind. New research suggests that scavenging animal carcasses wasn’t a desperate ...

South Africa has one of the world’s richest fossil records of hominins (humans and their fossil ancestors). But many misconceptions still exist regarding human evolution, and school textbooks contain ...

Think about taking a walk: where you need to go, how fast you need to move to get there, and whether you need to bring something along to carry the results of your errand. Are you going on this walk ...