Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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NASA invented baby food as we know it today.
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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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In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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