Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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A domestic cat can sprint at about 31 miles per hour.
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A group of pugs is called a grumble.
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12