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Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Food web associated with algal turf during the summer in the Eel River, California. Food web associated with algal turf during the summer in the Eel River, California.
To help make good electrical contact with the terminals without doing any harm, select the ... To help make good electrical contact with the terminals without doing any harm, select the ...
Threshold Levels of Carbon Monoxide Threshold Levels of Carbon Monoxide
Evolution and Natural selection shapes organisms and diversity Evolution and Natural selection shapes organisms and diversity
Which Is Cheaper: Fast Food or a Homemade Lunch? Which Is Cheaper: Fast Food or a Homemade Lunch?
Functional Groups of Carbon Functional Groups of Carbon
Video: Anaphylaxis Animation

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