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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."
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Medication errors are three times higher among children and infants than with adults.