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jan 1, 1977 - Alvins discovery

Description:

the submersible Alvin came across hydrothermal vents and a deep sea ecosystem including giant worms and clams that can survive without energy from the sun

Added to timeline:

oceanography

ByNicolas wilkinson
25 Oct 2017
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448

Date:

jan 1, 1977
Now
~ 49 years ago
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