Times Pets on MSN

Not just humans: 5 animals that laugh, cackle and giggle

Laughter is often called the most human sound. It carries joy, relief, connection, and sometimes even healing. For centuries, ...
Factinate on MSN

There’s a strange connection between human laughter and primate aggression that evolutionary science can’t figure out

Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your laughter evolved from joyful chimp panting or from the threatening bared-teeth ...