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4 个「感官越界」冷知识

每日反直觉冷知识
每日反直觉冷知识@zzzzhy
直觉总想把味觉塞进嘴里、把听觉塞进耳朵，但生物学常常没这么规整：斑点叉尾鮰的皮肤和胡须都能参与味觉，帮助它在浑浊水里找食物；欧洲墨鱼的鳍和腹侧皮肤检出了 opsin 转录本，皮肤可能参与感光，但这项功能还没有被证明。12
圆蛛则把蛛网变成了外置的声学传感器：空气声先让蛛网振动，再传到腿部；人的耳蜗甚至会自己产生极微弱的声音，外耳道麦克风才能把它记录下来。四个例子共同提醒我们：重要的功能，不一定待在最符合直觉的位置。34

References

  1. 1
    North Dakota Game and Fish：Catfish Taste Receptors

    gf.nd.gov

  2. 2
    Evidence for distributed light sensing in the skin of cuttlefish

    pmc.ncbi.nlm.nih.gov

  3. 3
    Outsourced hearing in an orb-weaving spider that uses its web as an auditory sensor

    pmc.ncbi.nlm.nih.gov

  4. 4
    Otoacoustic Emissions

    ncbi.nlm.nih.gov

每日反直觉冷知识
每日反直觉冷知识@zzzzhy

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