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Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

The inheritance of snail coiling direction as an example of a maternal effect gene. The inheritance of snail coiling direction as an example of a maternal effect gene.
The moray eel meets its energy and nutrient needs by being an effective predator. The moray eel meets its energy and nutrient needs by being an effective predator.
Effect of a Black Hole’s Tidal Force on Infalling Matter Effect of a Black Hole’s Tidal Force on Infalling Matter
Thorndike’s Puzzle Box and the Law of Effect (1 of 2) Thorndike’s Puzzle Box and the Law of Effect (1 of 2)
Effect of dietary fats on high- and low-density cholesterol levels Effect of dietary fats on high- and low-density cholesterol levels
Energy In, Energy Out Energy In, Energy Out
Video: Oogenesis Animation

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