Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Lurch, a Watusi bull, had the largest horns in the world.
32
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Your thumb is about the same size as your nose.
124
A cow produces around 200,000 glasses of milk in her lifetime.
373