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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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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 horizontal fraction bar was introduced by the Arabs.

Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part
El Niño demonstrates the atmosphere-ocean connection El Niño demonstrates the atmosphere-ocean connection
The path of the conveyor is complex and affected by deep ocean topography The path of the conveyor is complex and affected by deep ocean topography
Continental Drift: An Idea Before Its Time Continental Drift: An Idea Before Its Time
Formation of Continental Crust Formation of Continental Crust
Video: Primary and secondary response to infection

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