More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Toddler: 1–3 years.
Acid–Base Balance
What amount was invested 35 years ago at 7% compounded semiannually if the value of the ...