As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue ...

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...

Scientists at the Pontifical University of the Holy Cross in Rome and the University of Bordeaux in France report that human cultural know-how grew through a long, measured shift from casual ...