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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Although large, the cougar is more closely related to smaller felines. Although large, the cougar is more closely related to smaller felines.
Comparison of the titration curves of three weak acids Comparison of the titration curves of three weak acids
Brain comparison of some animals. Brain comparison of some animals.
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
Assessing the degree of the burn. Bottom photos show (A) first-degree burn (sunburn) and (B) ... Assessing the degree of the burn. Bottom photos show (A) first-degree burn (sunburn) and (B) ...
Video: Pressure Flow Model Animation

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