Only about 2% of the world population has green eyes.
36
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
You forget 90% of your dreams.
256
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
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