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This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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There's plenty of evidence that animals learn from one another.
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But until now, it was thought that only humans make judgment calls, such as "that woman seems to be finding more food than that other guy, and she's eating more than I am, so I'll follow her."
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This ability to selectively follow such cues shows sophisticated social learning.
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Now, scientists say they've found the first animal example of this behavior in a common fish, the nine-spined stickleback.
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Two-hundred-seventy fish were study subjects.
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The researchers gave some of the fish access to one feeder stocked with lots of worms and one that didn't.
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So the fish learned which feeder was best.
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Then the fish watched other fish eat, but the feeders were switched.
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From their own experience the sticklebacks had learned that feeder A gave more worms,
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but by watching, they could see that feeder B was now more plentiful.
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And when going back for seconds, they relied on social cues, not their own experiences, and headed over to B.
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The study is in the journal Behavioral Ecology.
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Another study demonstrating that the idea of the absolute uniqueness of human intelligence may be a bit…fishy.
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Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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1 / 15
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显示原文 =This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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显示原文 =There's plenty of evidence that animals learn from one another.
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显示原文 =But until now, it was thought that only humans make judgment calls, such as "that woman seems to be finding more food than that other guy, and she's eating more than I am, so I'll follow her."
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4 / 15
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显示原文 =This ability to selectively follow such cues shows sophisticated social learning.
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显示原文 =Now, scientists say they've found the first animal example of this behavior in a common fish, the nine-spined stickleback.
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6 / 15
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显示原文 =Two-hundred-seventy fish were study subjects.
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7 / 15
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显示原文 =The researchers gave some of the fish access to one feeder stocked with lots of worms and one that didn't.
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8 / 15
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显示原文 =So the fish learned which feeder was best.
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9 / 15
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显示原文 =Then the fish watched other fish eat, but the feeders were switched.
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10 / 15
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显示原文 =From their own experience the sticklebacks had learned that feeder A gave more worms,
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11 / 15
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显示原文 =but by watching, they could see that feeder B was now more plentiful.
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12 / 15
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显示原文 =And when going back for seconds, they relied on social cues, not their own experiences, and headed over to B.
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13 / 15
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显示原文 =The study is in the journal Behavioral Ecology.
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显示原文 =Another study demonstrating that the idea of the absolute uniqueness of human intelligence may be a bit…fishy.
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15 / 15
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显示原文 =Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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- 单句循环:关
- 单句循环:×3
- 单句循环:×5
- 单句循环:∞