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Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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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.

Salt and water balance in water-breathers. Salt and water balance in water-breathers.
Energy-flow diagram for a Georgia salt marsh. Energy-flow diagram for a Georgia salt marsh.
Salt water lake Salt water lake
Human civilization developed during the most recent interglacial stage Human civilization developed during the most recent interglacial stage
The inequality of per capita emissions between the developed world and the developing world The inequality of per capita emissions between the developed world and the developing world
East Coast Estuaries East Coast Estuaries
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

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