On January 23, 1960 Don Walsh and Jacques Piccard were the first people to dive to the deepest point in the ocean, Challenger Deep. Would you believe that Don's full of other stories at least as interesting as that?
We talk science communication and exploration with Don, realise that actually we do know a lot about the Mariana Trench, and we cross the equator.
podcast@armatusoceanic.com
Music by Harvey Jones
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