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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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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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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 mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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