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Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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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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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Invasive species provide an example of predator pressure. Invasive species provide an example of predator pressure.
Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient Young male Pacific Walruses on Cape Pierce in Alaska. Note the variation in the curvature and orient
Children in a kibbutz. Children in a kibbutz.
The incidence of overweight and obesity among adults and children The incidence of overweight and obesity among adults and children
Young children\'s understanding of an actor\'s intentions Young children\'s understanding of an actor\'s intentions
Video: Protein Secondary and Tertiary Structures - Animation

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