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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Your heart beats over 36 million times a year.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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.