Researchers had participants wear the fitness trackers while walking or running on a treadmill and while riding an exercise bike to determine how well the trackers measured heart rate and energy expenditure. Paul Sakuma/Courtesy of Stanford University School of Medicine hide caption

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Paul Sakuma/Courtesy of Stanford University School of Medicine

Shots - Health News

Fitness Trackers: Good at Measuring Heart Rate, Not So Good At Measuring Calories

A study of seven popular fitness trackers found they are generally good at measuring heart rate, but may mislead consumers about how many calories they have burned.

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(I've Had) The Time of My Life Bill Medley & Jennifer Warnes
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Rob Quist is the Democrat running in the Montana special election. Don Gonyea/NPR hide caption

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Trump Casts Shadow Over Tightening Montana Special Election

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Researchers had participants wear the fitness trackers while walking or running on a treadmill and while riding an exercise bike to determine how well the trackers measured heart rate and energy expenditure. Paul Sakuma/Courtesy of Stanford University School of Medicine hide caption

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Paul Sakuma/Courtesy of Stanford University School of Medicine

Fitness Trackers: Good at Measuring Heart Rate, Not So Good At Measuring Calories

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(I've Got) Trouble in Mind The Limiñanas
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Laura Ramadei (center) as Annie, who gets involved with a different couple in every episode of the web series Unicornland. Courtesy of Unicornland hide caption

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It's Polyamorous Polysaturation — Unconventional Relationships Abound On TV

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End of the World Party Medeski, Martin & Wood
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Xxplosive Dr. Dre

A defaced Islamic State flag is emblazoned on a wall in Tikrit, Iraq, in 2015. ISIS will generally claim responsibility for an attack within one day, though it can sometimes take longer. Mohammed Sawaf/AFP/Getty Images hide caption

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What Does It Mean When ISIS Claims Responsibility For An Attack?

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Bathtubs Royal Canoe
Descended from Myth Rjd2
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The Hardest Button to Button The White Stripes
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Farandole The Gentleman Losers

Pumpjacks in North Dakota's Bakken oil patch extract oil from deep underground. Oil production has grown nationally in recent months to 9.3 million barrels of oil per day. Amy Sisk/Prairie Public Broadcasting hide caption

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Boom Time Again For U.S. Oil Industry, Thanks To OPEC

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Behave Yourself Booker T. & the MG's
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The Free Spirit of Michel Dan Romer & Saul Simon MacWilliams
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Glass Figurine Andrew Bird's Bowl of Fire
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