The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
You forget 90% of your dreams.
256
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14