Only about 2% of the world population has green eyes.
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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
Cows can sleep standing up, but they can only dream lying down.
745
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
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