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On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
El Niño and areas of high marine primary production around the Galapagos Islands. Noti
Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon
Anthropologist Andrea Wiley (left) investigates the effects of high-altitude living on reproductive
Overview of a computer-controlled high-pressure common rail V-8 diesel engine.
The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives.