高強度的紫外光、高溫高壓無氧氣，單憑字面來看已經感受到其強大的破壞力，究竟地球上還有沒有生物可以在這嚴峻的環境生存得到?673Please respect copyright.ＰＥＮＡＮＡ5zLcxCTPQH
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水熊蟲(Water Bears)，就是其中一種能夠活下來的生物。673Please respect copyright.ＰＥＮＡＮＡf4bJVEgDLm
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（圖2）水熊蟲是約長0.5-1mm的小型動物，屬於緩步動物科，約有1300隻品種。673Please respect copyright.ＰＥＮＡＮＡgfk3jkEkzh
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牠們大多聚居在潮濕土壤及青苔裡頭，深海裡頭亦能找到牠們的蹤影，甚至在太空環境亦能生存得到，生命力非常頑強。673Please respect copyright.ＰＥＮＡＮＡcm1sdRahz8
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（圖3）最近有科學家發現（Fig1)，某品種對紫外光呈高抗性的水熊蟲品種，會在紫外光照射底下發出藍光。673Please respect copyright.ＰＥＮＡＮＡXHyzgqr3yN
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他們亦嘗試抽取水熊蟲水溶性的部份，發覺裡頭的色素能夠有效為其他低紫外光抗性的水熊蟲及其他蟲類抵擋紫外光帶來的殺傷力。673Please respect copyright.ＰＥＮＡＮＡiN71pEp9eS
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除水熊蟲外，鸚鵡在紫外光下均會發出螢光，但會否為牠們帶來紫外線的抵抗力還是疑問。673Please respect copyright.ＰＥＮＡＮＡyhLcjEoihk
而水熊蟲這種抵禦紫外角的色素科學結構，還需進一步的研究才能確立。673Please respect copyright.ＰＥＮＡＮＡEvFVt1ga4z
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。673Please respect copyright.ＰＥＮＡＮＡXgJtx8ng2G
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc673Please respect copyright.ＰＥＮＡＮＡV4RFkSd51l
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。673Please respect copyright.ＰＥＮＡＮＡ34SWRVBAMz
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio673Please respect copyright.ＰＥＮＡＮＡJ9hgdvCzSt
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。673Please respect copyright.ＰＥＮＡＮＡUxQT2IgAts
Ref1:https://royalsocietypublishing.org/doi/10.1098/rsbl.2020.0391673Please respect copyright.ＰＥＮＡＮＡ4AEP3gQ1kM
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