2021.11.30

Imaging Calls

Sound waves from fin whales help scientists probe the earth's crust

Close view of a fin whale (Balaenoptera physalus) as it swims to the camera in the Atlantic waters of Pico Island in the Azores. WILDESTANIMAL Getty Images

Close view of a fin whale (Balaenoptera physalus) as it swims to the camera in the Atlantic waters of Pico Island in the Azores. WILDESTANIMAL Getty Images

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