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

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

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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Medication errors are three times higher among children and infants than with adults.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ...
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
IPCC Temperature Increase Predictions Relative to 1986-2005 IPCC Temperature Increase Predictions Relative to 1986-2005
Increase in rainfall on continents Increase in rainfall on continents
Increase in Surface Area by Mechanical Weathering Increase in Surface Area by Mechanical Weathering
Video: Types of Shock (Part 2 of 2)

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