Since its launch in 2016, the online video sharing platform TikTok has grown at an astonishing rate. The app has been downloaded more than a billion times, and more than 700 million people around the world (most of them quite young) use it every day.
A seemingly spontaneous conga line by a pair of captive chimpanzees might tell us something about how humans first learned to dance, scientists behind a new study say.
Video: See? You haven’t even watched the video yet and already your mood has brightened just a little bit.