21h 36min, jul 4, 1867 y - Proof of deep sea life
Description:
Scottish naturalist Charles Wyville Thomson dredges the ocean floor from the HMS Lightning and Porcupine and discovers life as deep as 2,400 fathos. This is important because it disproves Edwards Forbes’s theory of a lifeless (azoic) zone below 300 fathoms.
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Marine
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