Did you know that there are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).
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The most dangerous animal in the world is the common housefly. Because of their habits of visiting animal waste, they transmit more diseases than any other animal.
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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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The poison arrow frogs of South and Central America are the most poisonous animals in the world.
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The largest cave in the world (the Sarawak Chamber in Malaysia) is 2,300 feet (701 meters) long, 980 feet (299 meters) wide, and more than 230 feet (70 meters) high.
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No matter its size or thickness, no piece of paper can be folded in half more than 7 times.
peeds of up to 3,000 miles per hour.
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J.B Dunlop was first to put air into tires.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead
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The Earth's average velocity orbiting the sun is 107,220 km per hour.
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There is enough fuel in a full tank of a Jumbo Jet to drive an average car four times around the world.
The surface speed record on the moon is 10.56 miles per hour. It was set with the lunar rover.
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Oxygen is the most abundant element in the Earth’s crust, waters, and atmosphere (about 49.5%)
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The lowest temperature on Earth was -128.6°F (-89.6°C) in Antarctica in 1983
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Sunlight can penetrate clean ocean water to a depth of 240 feet.
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The temperature can be determined by counting the number of cricket chirps in fourteen seconds and adding 40.
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Shrimp's hearts are in their heads
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Every time you lick a stamp, you're consuming 1/10 of a calorie.
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Porcupines float in water.
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The common goldfish is the only animal that can see both infra-red and ultra-violet light.
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The pupil of an octopus' eye is rectangular
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Our eyes are always the same size from birth, but our nose and ears never stop growing.
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Hummingbirds are the only animals able to fly backwards.
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Tigers have striped skin, not just striped fur
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A cat's jaws cannot move sideways.
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Armadillos can walk underwater.
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Certain frogs that can survive the experience of being frozen.
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Everyone's tongue print is different.
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Every minute, 30-40,000 dead skin cells fall from your body.
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Moths have no stomach.
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Lobsters have blue blood.
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An Astronaut can be up to 2 inches taller returning from space. The cartilage disks in the spine expand in the absence of gravity.
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The oldest multicellular fossils date from ~700 million years ago
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The earliest cockroach fossils are about 280 million years old
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Healthy nails grow about 2 cm each year. Fingernails grow four times as fast as toenails
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20/20 vision means the eye can see normally at 20 feet. 20/15 is better; the eye can see at 20 feet what another eye sees at 15 feet.
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