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Wood first appeared in plants called progymnosperms.
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
Older people who exercise cognitive skills, like these chess players, retain those skills well into ...
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...