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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Team of geologists collecting samples for paleomagnetic analysis at Sangiran, Java. Team of geologists collecting samples for paleomagnetic analysis at Sangiran, Java.
Ten Leading Causes of Death in the World, 2011 Ten Leading Causes of Death in the World, 2011
Sectoral Shifts Sectoral Shifts
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Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ... Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ...
Mutations in human mitochondrial genes leading to disease syndromes Mutations in human mitochondrial genes leading to disease syndromes
Video: Primary and secondary response to infection

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