A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.

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It takes the stomach an hour to break down cows' milk.

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In 1830, the first U.S. Steam locomotive built for railroad use was put into service in the state.

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NASA has awarded five-year grants, averaging $7 million each, to 10 research teams from across the country, including two from NASA's Jet Propulsion Laboratory.

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The most populated city in the world is Tokyo, with 30 million residents.

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If you are afraid of darkness it's called achluophobia.

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An engineering marvel of the ancient world, Cloacus Maxima, is the sewer of Rome.

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A hardboiled egg will spin. An uncooked or softboiled egg will not.

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Every day more money is printed for Monopoly than for the US Treasury.

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The two-foot long bird called a Kea that lives in New Zealand likes to eat the strips of rubber around car windows.

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