Humans and great apes show similar rhythmic pattern in laughter

There are many kinds of laughter. People may guffaw at a joke. They may giggle nervously in an uncomfortable situation. They may chuckle with ​mild amusement. They may snicker to express contempt — especially movie villains. But while laughing seems uniquely human, it is not. Our closest evolutionary relatives do it too. ‌Researchers now have […]