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Author Question: A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = ... (Read 2956 times) |
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.