Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Polymerase chain reaction (PCR)
Biomagnification in a Lake Ontario food chain.
wild discuss fish
Sleep Requirements Change with Age
Chain of Transmission of Microorganisms from Host to Victim