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Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Ancestral versus shared derived characters involving a molecular trait. Ancestral versus shared derived characters involving a molecular trait.
Young children’s play engages motor skills as well as cognitive skills (such as communicating, ... Young children’s play engages motor skills as well as cognitive skills (such as communicating, ...
An EpiPen is used in cases of anaphylactic shock. An EpiPen is used in cases of anaphylactic shock.
Step-Wise Treatment of Asthma in Children > 12 Years of Age and Adults Step-Wise Treatment of Asthma in Children > 12 Years of Age and Adults
Young children\'s understanding of an actor\'s intentions Young children\'s understanding of an actor\'s intentions
Distribution of sex chromosomes from generation to generation. All children receive an X chromosome Distribution of sex chromosomes from generation to generation. All children receive an X chromosome
Video: Evolutionary tree of life Animation

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