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The birth and death of a tectonic plate

Several hundred miles off the Pacific Northwest coast, a small tectonic plate called the Juan de Fuca is slowly sliding under the North American continent. This subduction has created a collision zone with the potential to ...

date2 hours ago in Earth Sciences
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LA lawns lose lots of water: 70B gallons a year

In summer 2010, Los Angeles was losing about 100 gallons of water per person per day to the atmosphere through the evaporation and plant uptake of lawns and trees. Lawns accounted for 70 percent of the water loss, while trees ...

date7 hours ago in Environment
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