A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A cow produces around 200,000 glasses of milk in her lifetime.
373
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
The largest breed of rabbit is the Flemish Giant.
65
Cows can sleep standing up, but they can only dream lying down.
745
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3