評論
打印
Mushrooms must scatter their spores to make little mushrooms.
蘑菇必須要傳播其孢子才能孕育出新的小蘑菇。
And we've long assumed that they rely on a friendly breeze for spore spreading.
而我們一直認為都認為它們是靠空氣中的友好微風來進行傳播。
But a new study shows that mushrooms can create their own spore-casting wind.
但現(xiàn)在一項新的研究表明蘑菇可以自己制造這種微風。
Fluid mechanics researchers trained high-speed video cameras on common Shiitake and oyster mushrooms.
流體力學研究人員們使用高速視頻攝像機拍攝普通什塔克菇和蠔蘑。
The scientists discovered that the mushroom spores floated off even when the air was calm.
他們發(fā)現(xiàn)即使是在空氣中沒有風的時候蘑菇孢子也會飄浮。
They enlisted mathematical models to solve the mystery.
為了解決這個謎題，他們建立了一個數(shù)學模型。
Turns out that before the spore dispersal, the mushrooms released water vapor.
試驗證明在孢子散播前蘑菇自身會釋放出水蒸氣。
This moisture cooled the air around the 'shroom, causing a convective dynamic that got the air moving.
濕氣會降低蘑菇周圍的溫度，從而形成一個對流動力，使得空氣流動。
Just this faint fungal breeze was enough to carry the spores away from the parent.
就是這點微弱的真菌風就足以使孢子脫離母體。
The findings were presented at the Annual Meeting of the American Physical Society's Division of Fluid Dynamics in Pittsburgh.
這一發(fā)現(xiàn)已經(jīng)出現(xiàn)在匹茲堡召開的美國物理學會流體力學會年度會議上。
This discovery suggests that mushrooms aren't simply in a race to produce the most spores.
它表明蘑菇不僅是在爭相產(chǎn)生更多的孢子，
Evolution also engineered a good way to spread them.
它們的進化更是實現(xiàn)了一個更好傳播孢子的方式。
