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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Only about 2% of the world population has green eyes.
36
The largest breed of rabbit is the Flemish Giant.
65
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82