They drop a fake baby in with some monkeys – and their reaction makes my heart burst

They drop a fake baby in with some monkeys - and their reaction makes my heart burst

This video shows what happens when a motionless robotic spy monkey is left among a troop of langurs. The langurs ...

They ask a 2-year-old to solve a classic psychological problem - his solution is genius

The tot chose to pick up the person on the side track and put them alongside the other five people. ...