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Philadelphia, Pennsylvania until 1800.

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What happened to Omar Khayyam's manuscript The Rubaiyat?

It fell into a river Omar Khayyam destroyed it Someone lost it It drowned with Titanic in 1912

NASA: Mars Colonization is No Longer a Futuristic Idea

Mars colonization may happen sooner than you might think – NASA scientists are on the verge of a breakthrough that would open an era of space colonization! NASA has developed a plan that would make it possible to restore the atmosphere of Mars.