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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Female choice of males based on nuptial gifts. Female choice of males based on nuptial gifts.
Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme Cultural Variations in the Strange Situation Across cultures, most toddlers exhibit secure attachme
Frederick Law Olmsted and Calvert Vaux, Central Park, New York City. Frederick Law Olmsted and Calvert Vaux, Central Park, New York City.
Chrysler also recommends that a clear plastic hose (1/4" ID) be attached to the bleeder valve ... Chrysler also recommends that a clear plastic hose (1/4" ID) be attached to the bleeder valve ...
The identification of clades based on morphological characters The identification of clades based on morphological characters
Video: Random alignment at Metaphase I Animation

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