At least 10 tornadoes were reported overnight in the mid-west of the United States, hitting towns in the states of Kansas, Missouri, Illinois, and Kentucky. Storms are moving east, and the tornado threat continues.
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05/19/2012 - 5:00pm
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Every four years, we have an extra day in the month of February. Why?
Images of a martian landscape offer evidence that the Red Planet’s surface not only can shake like the surface of Earth, but has done so relatively recently.
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