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Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
In some species, dominant females have more surviving offspring that mature earlier indicating an ad
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Meiosis in Males and Females
Three queens, fertile females in species that have a reproductive division of labor.