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1 .This is Scientific American 60-Second Science.I'm Sophie Bushwick. Got a minute?
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2 .Chimps show other chimps how to use tools.
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3 .My roommate showed me some tricks to make better scrambled eggs.
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4 .Group members teaching each other is called cultural transmission.
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5 .And a study finds that cultural transmission is behind the spread of a hunting technique among humpback whales off New England.
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6 .The research is in the journal Science.
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7 .It's called lobtail feeding: a humpback whale slaps the surface of the water with its tail.
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8 .The resulting bubbles pen in prey fish, which the whales gobble up.
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9 .Researchers first saw lobtail feeding in 1980.
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10 .Within 30 years, 37 percent of observed humpbacks had picked up the technique.
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11 .To create mathematical models for the spread of lobtail feeding, researchers used 27 years of data from whale-watching boats in the Gulf of Maine.
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12 .And the models that included cultural transmission as a factor best matched the data.
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13 .Those models assumed that humpback whales that spend more time with lobtail feeders were more likely to pick up the method themselves.
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14 .Clearly, whales are capable of sophisticated social interactions,
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15 .and we've only seen the tip of the tail.
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16 .Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.
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