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Olympic teams to swim, boat in Rio's filth

Athletes competing in next year's Summer Olympics here will be swimming and boating in waters so contaminated with human feces that they risk becoming violently ill and unable to compete in the games, an Associated Press ...

dateJul 30, 2015 in Environment
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A solar eclipse sheds light on physics

On 29 May 1919, a shadow dance took place over the Caribbean which was to make history: While the new moon covered the blazingly bright disk of the Sun, astronomers around Arthur Stanley Eddington measured the shift of stars ...

dateMay 26, 2015 in Astronomy
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