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Did you know?

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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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Heading for the ocean on a beach at the Pu'uhonua o Honaunau National Historical Park Heading for the ocean on a beach at the Pu'uhonua o Honaunau National Historical Park
workbook pages answers workbook pages answers
workbook pages answers workbook pages answers
workbook pages answers workbook pages answers
workbook pages answers workbook pages answers
When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive
Video: Junction Types - Tight and Adherens Junctions

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