Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The largest breed of rabbit is the Flemish Giant.
65
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
Your thumb is about the same size as your nose.
124
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only about 2% of the world population has green eyes.
36
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31