Your body is creating and killing about 2.4 million red blood cells per second.
17
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
You forget 90% of your dreams.
256
A cow produces around 200,000 glasses of milk in her lifetime.
373
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140