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Mercury orbits the Sun once every 88 days.
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The average height of an adult female human is about 1.6 to 1.7m (5 to 5.5 feet) tall.
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Saturn's interior consists of a small core of rock and ice, surrounded by a gaseous outer layer.
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Most sharks need to constantly swim in order to breathe and cannot sleep very long as a result.
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The first patent for a field-effect transistor was filed in Canada by Julius Lilienfeld in 1925.
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Isaac Newton published his 'Principia' explaining the laws of gravity in 1687.
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The world's largest amphibian is the giant salamander. It can grow up to 5 ft. in length.
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Some species of bamboo grow at a rate of 1.2 meters per day.
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1.574 billion people were using the Internet according to Internet World Statistics in December 2008
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Certain species of tapeworm can grow up to 30 meters in length.
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