Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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.
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Lurch, a Watusi bull, had the largest horns in the world.
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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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81