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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There are more nerve cells in the human brain than there are stars in the Milky Way.
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It 'snows' metal on Venus.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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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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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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