AP
Climate Undersea Freshwater
Expedition 501 drilling team members, from left, Nick Boehne, Chris Redding and Lalo Aguilar work to remove a core sample from an inner tube during a wireline core drilling operation aboard the Liftboat Robert platform, in the North Atlantic, Sunday, July 20, 2025.
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ABOARD LIFTBOAT ROBERT, North Atlantic (AP) — Deep in Earth's past, an icy landscape became …