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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.