bicycling bicycling

Interval training includes bursts of high-intensity efforts sandwiched by periods of less activity. Jonathan Cohen/Flickr hide caption

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Jonathan Cohen/Flickr

Does 1-Minute Interval Training Work? We Ask The Guy Who Tested It

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Peggy O'Neill stands outside Edmunds Elementary and Middle Schools in Burlington, Vt. She was one of the strongest advocates for the bike lane in her city but met a lot of resistance. Laurel Wamsley/NPR hide caption

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Laurel Wamsley/NPR

With Citizens' Help, Cities Can Build A Better Bike Lane — And More

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The uptick in serious bike injuries occurred for both male and female cyclists, although more men get in accidents each year. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

As More Adults Pedal, Their Biking Injuries And Deaths Spike, Too

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Colombia's Nairo Quintana, wearing the best young rider's white jersey,crosses the finish line of the 19th stage of the 2015 Tour de France on Friday. Peter Dejong/AP hide caption

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Peter Dejong/AP

The Cycling World May Soon Bow Down Before Nairo Quintana

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Bartender Matt Carucci told NPR in 2012 that he rarely feels safe biking in the city but often rides without a helmet anyway. "There are a lot of other ways to hurt yourself," he said. John Rose/NPR hide caption

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John Rose/NPR