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Your heart beats over 36 million times a year.
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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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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.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
electron microscope image of a pyralidae moth
Insects Under the Electron Microscope
Insects Under the Electron Microscope
Positive velocity graph
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. ...
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to