A new study shows cultural evolution helped humans expand across Earth far faster than genetic change alone could achieve.

Nobody likes to wait, and we are willing to pay to avoid it. Expedited shipping, fast food and video streaming are all profitable because they reduce or eliminate that wait. You can test this by ...

The mystery behind why Alaskan horses, cryptodiran turtles and island lizards shrunk over time may have been solved in a new study. The new theoretical research proposes that animal size over time ...

Why are 90% of people right-handed and 10% left-handed? A modification of the well-known fighting hypothesis aims to explain ...