Alyson Hurt
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In 40 states, use of coal as a power source (as a share of all power sources) has dropped since 2004. Many of these states are increasingly relying on natural gas instead.
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Congress has to vote soon on Iran's deal to limit its nuclear program in exchange for sanctions relief. But it isn't business as usual on Capitol Hill: For starters, a "yes" vote actually means "no."
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Sports can burn a lot of energy. But vacuuming the carpet burns calories, too. The question is, how much? We checked out the numbers and found surprises.
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Americans' relationship with sports changes as we grow older. About three-quarters of adults say they played sports as children. By the time people are in their late 20s, only about a quarter do.
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Lots of people say they're having trouble with alcohol. Native Americans and young, college-educated white men are most apt to be at risk. And most people don't get any help cutting back.
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The latest wave of measles cases and potential infections is in Arizona, where 1,000 people may have been exposed to measles from seven people confirmed to have been infected.
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NPR, the Robert Wood Johnson Foundation and the Harvard School of Public Health conducted a poll in March and early April to find out how stress is affecting people in the U.S. Here's what we found.
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Lately, there have been so many big technology acquisitions in the headlines that it's hard to keep them straight. Check out our visualization of the most notable tech takeovers of recent years.
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Lightning strikes 8.6 million times per day and more than 3 billion times a year. It can kill anytime, anywhere — and it does.