Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

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: ...

Researchers have discovered hundreds of historical accounts of humans hunting prey by chasing them down over long distances, which some believe is why we evolved our unique talent for endurance ...

Did our stone-age ancestors chase down antelope across the hot, dry savanna, armed with nothing but maybe some blunt sticks or rocks, for hours on end, never letting the animals rest until they ...

Collecting water and caring for kids are daily necessities. Three Lions/Hulton Archive via Getty Images Think about taking a walk: where you need to go, how fast you need to move to get there, and ...