Your body is creating and killing about 2.4 million red blood cells per second.
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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
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.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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