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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.