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1 .This is Scientific American 60-Second Science. I'm Katherine Harmon.Got a minute?
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2 .Mushrooms must scatter their spores to make little mushrooms.
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3 .And we've long assumed that they rely on a friendly breeze for spore spreading.
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4 .But a new study shows that mushrooms can create their own spore-casting wind.
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5 .Fluid mechanics researchers trained high-speed video cameras on common Shiitake and oyster mushrooms.
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6 .The scientists discovered that the mushroom spores floated off even when the air was calm.
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7 .They enlisted mathematical models to solve the mystery.
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8 .Turns out that before the spore dispersal, the mushrooms released water vapor.
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9 .This moisture cooled the air around the 'shroom, causing a convective dynamic that got the air moving.
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10 .Just this faint fungal breeze was enough to carry the spores away from the parent.
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11 .The findings were presented at the Annual Meeting of the American Physical Society's Division of Fluid Dynamics in Pittsburgh.
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12 .This discovery suggests that mushrooms aren't simply in a race to produce the most spores.
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13 .Evolution also engineered a good way to spread them.
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14 .Thanks for the minute, for Scientific American 60-Second Science. I'm Katherine Harmon.
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