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Some male birds and mammals congregate in communal courting grounds called leks.
Diphtheria. The bacteria that cause this disease, called Corynebacterium diphtheriae, proliferate in
Arthroscopic surgery. In this illustration, the knee joint is undergoing surgery with a specialized
As a young man Tecumseh was a superb hunter and warrior. His younger brother, Tenskwatawa, was awkw
With the research technique called brainbow, each neuron is labeled with a different color, ...
The method of Land’s (1977) color-vision experiments. Subjects viewed Mondrians illuminated by ...