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Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Chest CT scan. The stringy, cobweblike area indicates lung damage from smoking that has resulted in
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil
A fuel pump in a farming area that clearly states the red diesel fuel is for off-road use only ...
Primary motor area of cerebral cortex
Cancer cells can move to new locations in the body, a process called metastasis