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Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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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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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation. Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
Positive and Negative Stereotypes Positive and Negative Stereotypes
The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium. The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium.
Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ... Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ...
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Positive and Negative Punishment Positive and Negative Punishment
Video: Red Blood Cells - Erythropoietin (EPO)

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