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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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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The average adult has about 21 square feet of skin.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Jeremy Bentham, A General Idea of a Penitentiary Panopticon, drawn by Willey Reveley.
Reconstruction Drawing Of The Citadel At Mycenae At Its Most Developed State
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Changes of State of Water
Sketch the graph of each function using transformations. State the domain and range.