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Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

Water-conducting cells of the xylem. Water-conducting cells of the xylem.
A female gorilla exhibiting tool use by using a tree trunk as a support whilst fishing herbs. A female gorilla exhibiting tool use by using a tree trunk as a support whilst fishing herbs.
Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another. Wild chimpanzees make and use simple tools to obtain food, learning tool making from one another.
A pleasant smile can go a long way, even through telephone lines. A pleasant smile can go a long way, even through telephone lines.
The U.S. Department of Agriculture offers the SuperTracker tool to help you track, analyze, and plan ... The U.S. Department of Agriculture offers the SuperTracker tool to help you track, analyze, and plan ...
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: The life cycle of protein

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