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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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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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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The light hitting the earth right now is 30 thousand years old.
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