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Wednesday, July 24, 2019
US Embassy Staff in Cuba Show Unusual Brain Changes After Alleged 'Sonic Attacks'
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Gravity is a “built-in” property of mass. Whenever there are masses in the universe, they will interact via the force of gravitational attra...
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Kepler initially assumed that the orbits of planets were circles, but doing so did not allow him to find orbits that were consistent with Br...
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