According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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If two pieces of metal touch in space, they become permanently stuck together.
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Pluto is smaller than Russia.
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