Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Cyanide works by making the human body unable to use oxygen.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Hydrogen Bonds Can Form Between or Within Molecules
hydrogen
Chromosomes and the DNA molecule
Hydrogen bonding patterns for the a- and 310 helices