The strangers in your dreams are actually people that you've seen in real life.
50
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
Your thumb is about the same size as your nose.
124
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Lurch, a Watusi bull, had the largest horns in the world.
32
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140