“I am vertical/But I would rather be horizontal,” wrote Sylvia Plath, meditating on the consequences of a treelike existence. A team of researchers from the Vienna University of Technology recently announced another perspective on arboreal repose. Using sophisticated laser scanners they created images of trees during the night, when their metabolic processes slow down, and found that their branches had perceptibly drooped. They had “gone to sleep”, in the team’s words.
“I am vertical/But I would rather be horizontal（我是直立的/但我寧愿自己是水平的），”思考了像樹一樣的生存狀態是什么樣子之后，西爾維婭?普拉思(Sylvia Plath)這樣寫道。維也納科技大學(Vienna University of Technology)的一個研究小組最近宣布了一種看待樹木的睡眠的新角度。他們通過精密的激光掃描儀，對夜晚的樹木成像，發現夜間新陳代謝過程放慢時，這些樹木的的枝條明顯下垂。用這個小組的話來說，這些樹“睡著了”。
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