Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
Only about 2% of the world population has green eyes.
36
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The strangers in your dreams are actually people that you've seen in real life.
50
You forget 90% of your dreams.
256
Mars had an oxygen-rich atmosphere around 4 billion years ago
13