Shipwrecks teem with underwater life, from microbes to sharks

Humans have sailed the world's oceans for thousands of years, but they haven't all reached port. Researchers estimate that there are some three million shipwrecks worldwide, resting in shallow rivers and bays, coastal waters ...

Separating out signals recorded at the seafloor

Blame it on plate tectonics. The deep ocean is never preserved, but instead is lost to time as the seafloor is subducted. Geologists are mostly left with shallower rocks from closer to the shoreline to inform their studies ...

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