Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Lurch, a Watusi bull, had the largest horns in the world.
32
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
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