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Animals of Hindustan monkeys called bandar that can be taught to do tricks
Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
Socrates (470–399 B.C.E.) was an Ancient Greek philosopher often called the "father of ...