Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Gram-positive and Gram-negative bacteria.
A 5,000-year-old Egyptian garment
School of Kano, Namban six-panel screen.
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
U.S. Life Expectancy by Year of Birth
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...