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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
In 1864, the first barbiturate (barbituric acid) was synthesized.