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

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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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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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast
Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only) Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only)
Environment of tRNAs at the ribosome as determined by cross-linking Environment of tRNAs at the ribosome as determined by cross-linking
Industrial Waste and the Impact on the Environment Industrial Waste and the Impact on the Environment
Essential Environment Essential Environment
Video: Cardiac Cycle (Part 3 of 4)

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