Cat's urine will glow under a black light!

Cat's urine will glow under a black light!

Banging your head against a wall uses 150 calories an hour

Banging your head against a wall uses 150 calories an hour

Ingrown toe nails are hereditary

Ingrown toe nails are hereditary

The world's youngest parents were 8 and 9 and lived in China in 1910

The world's youngest parents were 8 and 9 and lived in China in 1910

Owl in Japanese in is 'Mimizuku'

Owl in Japanese in is 'Mimizuku'

Your skin is your body's largest organ.

Your skin is your body's largest organ.

30 people die a year in Japan from eating puffa fish in restaurants

30 people die a year in Japan from eating puffa fish in restaurants

Armadillos are the only animal besides humans that can get leprosy

Armadillos are the only animal besides humans that can get leprosy

The human brain is insensitive to pain. The suffering of a headache come not from the organ itself but from the nerve and muscles lining it

The human brain is insensitive to pain. The suffering of a headache come not from the organ itself but from the nerve and muscles lining it

Babies are born without knee caps. They don't appear until they are 2-6 years old

Babies are born without knee caps. They don't appear until they are 2-6 years old