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Some male birds and mammals congregate in communal courting grounds called leks.
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
With the research technique called brainbow, each neuron is labeled with a different color, ...
Cutaway Drawing of Tholos, The So-called Treasury of Atreus
China has relied on cheap coal to meet its demand for energy