Open your mouth wide, stretch the muscles of your jaw and upper body, take a slow breath in, and then exhale quickly. What have you done? You have yawned. Many animals, including humans, yawn. They do ...

What can androids and chimpanzees teach scientists about humans yawning? This is what a recent study published in Scientific Reports hopes to address as an international team of researchers ...

Want to be better at spotting spiders and cockroaches? New evolutionary psychology research shows that people who saw videos ...