EP.193 2024搞笑諾貝爾獎:死魚還能游多遠? episode artwork

EPISODE · Sep 17, 2024 · 41 MIN

EP.193 2024搞笑諾貝爾獎:死魚還能游多遠?

from 熱血科學家的閒話加長(The Excited Scientists' Hot Tea) · host 傻呼嚕同盟

2024 搞笑諾貝爾物理獎頒給了美國佛羅里達大學生物系的James C. Liao教授,得獎的研究是「死掉的鱒魚還可以游多遠」… 這當然是頒獎單位為了製造效果所下的標題啦!真正的主題是:「為什麼魚類可以用很高的效率游泳」。 他發現,鱒魚在渦流中會自動調整游泳模式順勢而行,得到更高的效率,用肌電圖記錄鱒魚肌肉的活動狀態發現,在渦流中鱒魚肌肉活動顯著減少。 為了進一步驗證魚類在渦流中多數的動作是被動的,廖教授進行了「死魚對照實驗」。把剛死掉的虹鱒放在渦流中,結果發現,死魚的運動方式類似活魚,證明了這種運動模式的確是被動順著水流。死魚沒有在游泳啦!只是綁在那邊而已,又不是殭屍,那就太可怕了… 2024搞笑諾貝爾獎得主名單(2024/09/13):https://improbable.com/ig/winners/#ig2024 Journal of Experimental Biology 論文(2004/09):https://journals.biologists.com/jeb/article/207/20/3495/14915/Neuromuscular-control-of-trout-swimming-in-a -- Hosting provided by SoundOn

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EP.193 2024搞笑諾貝爾獎:死魚還能游多遠?

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