Science unscripted

$1,000 is put in your hand. With one condition: You have to donate it. What do you do next?

A pregnant woman enters a tram. Nearly 40% of the time, she's offered a seat. Unless someone else enters. Dressed as batman.

If you feel overwhelmed... and you don't know why... new research suggests you may be experiencing something called 'mismatch.'

We're on our way to having a new housepet, a study suggests. Also, mountain gorillas join humans as part of the (exclusive) 'grandmother hypothesis.'

An alarming number of young people are using two very unhelpful drugs to help them sleep. Also, what's behind the sharp decline in youth crime?