Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
You forget 90% of your dreams.
256
The strangers in your dreams are actually people that you've seen in real life.
50
The largest breed of rabbit is the Flemish Giant.
65
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14