A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
A cow produces around 200,000 glasses of milk in her lifetime.
373
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13