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Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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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.

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The human body produces and destroys 15 million blood cells every second.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Two lionesses and a mature male of a pride, northern Serengeti Two lionesses and a mature male of a pride, northern Serengeti
Young sperm whale Young sperm whale
Comparison of a tender and mature leaf. Comparison of a tender and mature leaf.
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
Female Reproductive System - Mature (graafian) follicle "الجهاز التناسلي ... Female Reproductive System - Mature (graafian) follicle "الجهاز التناسلي ...
Depiction of the homunculus, a sperm containing a miniature adult Depiction of the homunculus, a sperm containing a miniature adult
Video: Double Vacuum Process (Illustration No Audio)

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