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?689Please respect copyright.ＰＥＮＡＮＡZ0dujIfTSZ
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水熊蟲(Water Bears)，就是其中一種能夠活下來的生物。689Please respect copyright.ＰＥＮＡＮＡPDvLY84lOf
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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。689Please respect copyright.ＰＥＮＡＮＡiuo9K3Ibkl
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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。689Please respect copyright.ＰＥＮＡＮＡgcwtcLUbdx
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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。689Please respect copyright.ＰＥＮＡＮＡBrUfKdekFX
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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。689Please respect copyright.ＰＥＮＡＮＡmMX7YOM1ZO
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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。689Please respect copyright.ＰＥＮＡＮＡYDrNXkE9GK
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。689Please respect copyright.ＰＥＮＡＮＡxQphzDpNW7
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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。689Please respect copyright.ＰＥＮＡＮＡ1rPB1qLO9F
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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/toc689Please respect copyright.ＰＥＮＡＮＡw3ct2LTjDs
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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。689Please respect copyright.ＰＥＮＡＮＡe5lOXrkiLE
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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/portfolio689Please respect copyright.ＰＥＮＡＮＡV60qfptm3I
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有興趣接收科學資訊的話，歡迎follow IG: potatopigtongue。689Please respect copyright.ＰＥＮＡＮＡfu5soYWazX
Ref1:https://royalsocietypublishing.org/doi/10.1098/rsbl.2020.0391689Please respect copyright.ＰＥＮＡＮＡUjSb6F057Q
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