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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 3052 times) |
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.