Cows can sleep standing up, but they can only dream lying down.
745
Your thumb is about the same size as your nose.
124
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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
You forget 90% of your dreams.
256
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18