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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.