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Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
Herbert Spencer (1820–1903), sometimes called the second founder of sociology, coined the term ...
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
With the research technique called brainbow, each neuron is labeled with a different color, ...