Cows can sleep standing up, but they can only dream lying down.
745
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Only about 2% of the world population has green eyes.
36
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The strangers in your dreams are actually people that you've seen in real life.
50