Cows can smell odors six miles away.

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Most stars shine for at least 10 billion years.

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The Earth's equatorial circumference (40,075 km) is greater than its polar circumference (40,008 km).

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The largest lake in South America is Lake Maracaibo.

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The katydid bug hears through holes in its hind legs!

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Sunlight can penetrate clean ocean water to a depth of 73 meters (240ft.)

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The fungus Cordyceps is able to "mind-control" other insects like ants to climb plants and attach there to become its food.

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On average, people spend more than five years of their lives dreaming.

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The Sun travels at a speed of 250km (155 miles) per second, but it still takes 230 million years for it to complete a single revolution of the galaxy.

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There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.

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