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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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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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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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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