As one of the world's most popular sports, field hockey produces cultural stars in Argentina, the Netherlands and Australia. The sport is relatively obscure in the United States, but that isn't stopping the women's national team from aiming at its first Olympic medal in the sport in 28 years.
As governors weigh whether to participate in an expansion of Medicaid under the federal health law, some worry the change could attract people who don't qualify for a special subsidy. Adding them to Medicaid rolls could strain states' budgets.
For almost 50 years, northern Arizona's Glen Canyon Dam has been slowly eroding the Grand Canyon's riverbanks. Soon, dam managers will release simulated floods to help restore the beaches downstream. But the region's hydropower companies say the move will be costly, and could have unforseen consequences.
More than 800,000 gallons of crude oil gushed into wetlands and a creek in western Michigan in 2010 after a pipeline operated by the Canadian company Enbridge burst. Now, the National Transportation Safety Board says the company and the agency that regulates it are culpable.
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