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1 .This is Scientific American 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .If you're like me, you know that multitasking does not always save time.
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3 .You slow down or make mistakes that require fixing.
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4 .But maybe I'm just doing the wrong things.
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5 .Because a new study shows that people on a stationary bike pedaled faster when they simultaneously tackled some sort of mental test.
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6 .Even the researchers were surprised by that result.
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7 .They had originally set out to demonstrate what other studies have shown: that when people try to do two things at once, they do both more poorly.
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8 .Their counterintuitive finding is in the journal PLoS ONE.
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9 .In the experiment, subjects were asked to complete various cognitive jobs that ranged in difficulty,
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10 .everything from saying 'go' when they saw a blue star on a projection screen to remembering a long list of numbers and then repeating them back in reverse order.
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11 .They tackled these tasks once while sitting in a quiet room and again while on the bike.
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12 .Turns out, cyclists rode 25 percent faster when they were distracted by some mental gymnastics,
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13 .but only when the tasks were relatively easy.
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14 .When confronted with tough brain-teasers, their cycling speeds were about the same as when they had nothing in particular to think about.
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15 .And in case you're wondering, the participants' cycling neither helped nor hindered their brain function.
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16 .The findings could point toward new programs in which we get better workouts simply by using our heads.
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17 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
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