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1 .This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .Schools are well-known reservoirs of contagion where students share all sorts of communicable conditions: coughs, colds, flu, you name it.
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3 .But germs aren't the only things kids can catch from their friends.
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4 .If they're lucky, they could come down with a 4.0.
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5 .Because a new study shows that high-schoolers whose friends get higher marks tend to raise their own grade point averages over time.
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6 .The findings are in the journal PLOS One.
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7 .That our social circles influence us is not news.
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8 .For example, studies have shown that the fatter your friends, the more likely you're also overweight.
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9 .In the grade point study, researchers took to the classroom to see whether academic achievement might be as contagious as obesity.
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10 .They asked 158 eleventh-graders to go down a class roster and point out their pals.
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11 .Then they checked everyone's report cards at the time of the survey, and again a year later.
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12 .The researchers found that those students whose friends were outshining them academically tended to improve their grades over the year.
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13 .Whereas those who were hanging out with academic underachievers let their grades slide.
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14 .So, go ahead. Befriend a brainiac.
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15 .You might just learn something.
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16 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Karen Hopkin.
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