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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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