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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
Darwin’s finches: Adaptive radiation of bill types.
Young Bill Clinton (left) shakes hands with President John F. Kennedy. “The torch has been passed ...
Bill Viola, The Reflecting Pool.
Bill Viola, The Reflecting Pool.
Bill Viola, The Reflecting Pool.
Mel Chin, Operation Paydirt/Fundred Dollar Bill Project.