The largest breed of rabbit is the Flemish Giant.
65
Cows can sleep standing up, but they can only dream lying down.
745
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3