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Did you know?

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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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Swabbing a Petri dish to spread apart colonies. Bacitracin disk is used to prove the presence or ... Swabbing a Petri dish to spread apart colonies. Bacitracin disk is used to prove the presence or ...
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ... Most conventional zirconia oxygen sensors and some wide-band oxygen sensors use the cup-type ...
Five layers or sheaths called koshas in Ayurvedic philosophy. Five layers or sheaths called koshas in Ayurvedic philosophy.
Genome-wide SNP-based heritability for individual behavioral disorders Genome-wide SNP-based heritability for individual behavioral disorders
Video: Generalized life cycles for plants and animals Animation

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