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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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The average adult has about 21 square feet of skin.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

A male Lestes dryas in the "spread-winged" posture that gives the family its common name A male Lestes dryas in the "spread-winged" posture that gives the family its common name
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
Regulation of cortisol release. Regulation of cortisol release.
Release of preformed and newly synthesized (de novo) mediators from mast cells. Release of preformed and newly synthesized (de novo) mediators from mast cells.
Create a soapy lather with the hands and spread the soap up to the elbows. Liquid soap is preferred. ... Create a soapy lather with the hands and spread the soap up to the elbows. Liquid soap is preferred. ...
Video: Vasectomy

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