Illicit drug use costs the United States approximately $181 billion every year.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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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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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area.
Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing
But tortoises on lusher islands where grass is plentiful and the need to reach into trees not so fre
Large water tank, possibly a public or ritual bathing area, from Mohenjo-daro, Indus Valley ...
The exhaust drives the turbine wheel on the left, which is connected to the impeller wheel on the ...
A comparison of the events in mitosis (left) and meiosis (right)