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Articles on Oceans

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The bow of the U.S. Coast Guard cutter Duane, a decommissioned ship deliberately sunk off Florida to serve as an artificial reef. Stephen Frink via Getty Images

Not all underwater reefs are made of coral − the US has created artificial reefs from sunken ships, radio towers, boxcars and even voting machines

Artificial reefs are structures that humans put in place underwater that create habitat for sea life. A new study shows for the first time how much of the US ocean floor they cover.
A school of grunts on a sunken World War II German submarine in the Atlantic Ocean off North Carolina. Karen Doody/Stocktrek Images via Getty Images

Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.
Canals carry PFAS into Miami’s Biscayne Bay. Art Wager/E+ via Getty Images

PFAS ‘forever chemicals’ are getting into ocean ecosystems, where dolphins, fish and manatees dine – we traced their origins

Scientists found PFAS hot spots in Miami’s Biscayne Bay where the chemicals are entering coastal waters and reaching the ocean. Water samples point to some specific sources.
A bleaching event at a reef in Key Largo, Fla. The complex interplay of temperature and cloud cover is at the heart of cloral bleaching events. (Liv Williamson/University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science via AP)

How clouds protect coral reefs, but will not be enough to save them from us

Understanding how both cloud cover and temperature work to promote coral bleaching provides valuable insight into how reefs will change over various climate scenarios.

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