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Cnidarians have specialized stinging cells called cnidocytes
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
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
A thin cleft, called the synapse, separates one cell from another.