A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The largest breed of rabbit is the Flemish Giant.
65
Your body is creating and killing about 2.4 million red blood cells per second.
17