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Traniello and his colleagues demonstrated that social insects may develop “social imm
Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Recent Impacts on the Moon
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...