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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Cyanide works by making the human body unable to use oxygen.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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