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1 .This is Scientific American 60-Second Science. I'm Amy Kraft. Got a minute?
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2 .Teachers might want to think twice about posting no gum-chewing signs in the classroom.
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3 .It turns out that the sticky substance might help students concentrate.
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4 .Researchers had two groups of 20 people each listen to a 30-minute recording that included a sequence of numbers.
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5 .After listening, the participants were asked to remember the sequence.
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6 .But only one groups chewed gum--and they had higher accuracy rates and faster reaction times than the non-gum chewers.
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7 .Those chewing gum also maintained focus longer during the exercise.
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8 .The study is in the British Journal of Psychology, and contradicts a 2012 study that found gum chewing decreased short-term memory performance.
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9 .The researchers say that gum increases the flow of oxygen to regions of the brain responsible for attention.
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10 .More oxygen can keep people alert and improve their reflexes.
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11 .Research also shows that you won't get the same effect by just pretending to chew gum.
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12 .So the next time your mind is wandering in class, maybe try some gum.
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13 .If it doesn't help you concentrate you'll at least be asked to leave.
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14 .Thanks for the minute, for Scientific American 60-Second Science. I'm Amy Kraft.
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