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Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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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.

In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
The Mulleta family of Ethiopia, described in the opening vignette. The Mulleta family of Ethiopia, described in the opening vignette.
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
A typical two-line cleaning machine hookup, showing an extension hose that can be used to squirt a ... A typical two-line cleaning machine hookup, showing an extension hose that can be used to squirt a ...
Rubella rash in a young child. Rubella is also called 3-day measles or German measles. Rubella rash in a young child. Rubella is also called 3-day measles or German measles.
A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc
Video: Elementary kinetics

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