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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 .Once upon a time, there was an animal called a pilosa that caught insects with its trunk.
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3 .Some pilosas had wide trunks.
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4 .Others had skinny trunks.
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5 .When habitat changes caused their dinners to tunnel underground, pilosas with wide trunks began to starve and die.
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6 .The pilosas with thin trunks could still reach the bugs.
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7 .So they stayed healthy and had babies that also had thin trunks.
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8 .Eventually, all pilosas had skinny trunks and they lived happily ever after.
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9 .Or they might have, if they were real.
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10 .Pilosas were made up by researchers who were exploring whether kids could grasp the concept of natural selection.
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11 .They found that parables like the plight of the pilosa enabled even kindergartners to get evolution.
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12 .The study is in the journal Psychological Science.
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13 .Children enjoy explanations, so much so they often invent their own.
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14 .Like, giraffes must grow long necks so they can reach high branches.
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15 .But after reading about the pilosa, all of the 7- and 8-year olds in the study could correctly explain that the species changed over time,
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16 .because the better adapted creatures out-reproduced those that were less fit.
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17 .Maybe early exposure to such complex concepts could help science literacy evolve
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18 .Thanks for the minute, for Scientific American 60-Second Science. I'm Karen Hopkin.
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