Why is yawning so contagious?
It turns out that yawning has to do with brain and facial temperatures, which is kooky enough. But the theories behind why yawning is so contagious? One says that it has more to do with shared empathy among groups of like creatures. Another one — and here’s the really weird part — sees yawning as an ‘emotional contagion.’ Craziness!
Via The Best of YouTube / Vsauce
Scientist harnesses a new form of energy
A brilliant scientist stumbles upon an astonishing new energy source involving cats and buttered toast. It’s very impressive, but why has it taken us so long to discover it? Just think of the many applications!
Via Adverve / Flying Horse