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Calculate the number 794

NUMBERMANIA: Calculate the number 794 using numbers [7, 5, 1, 1, 45, 157] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 26

The first user who solved this task is Eugenio G. F. de Kereki.

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Jim Gaffigan: Bottled Water

How did we get to the point where were paying for bottled water? That must have been some weird marketing meeting over in France. Some French guys sitting there, like, How dumb do I think the Americans are? I bet you we could sell those idiots water.

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Sir George Darwin

Born 9 Jul 1845; died 7 Dec 1912 at age 67.Sir George (Howard) Darwin, the second son of the famous biologist Charles Darwin, was an English astronomer who championed a theory (no longer accepted) that the Moon was once part of the Earth, in what is now the Pacific Ocean. His was the first mathematical analysis of the evolution of Earth's Moon. He suggested that since the effect of the tides has been to slow the Earth's rotation and to cause the Moon to recede from the Earth, then by extrapolating back 4.5 billion years ago the Moon and the Earth would have been very close, with a day being less than five hours. Before this time the two bodies would actually have been one, until the Moon was torn away from the Earth by powerful solar tides that would have deformed the Earth every 2.5 hours.

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