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A Weddell seal swims under the surface of the frozen ocean in McMurdo Sound. These pinnipeds were recently recorded emitting sounds above the range of human hearing. Weddell Seals Sing Songs Humans Can't Hear
Science / The Biological World
Monday January 18, 2021

The seals of McMurdo Sound are more vocal than previously thought. A new research paper published in the December edition of The Journal of the Acoustical Society of America shows that Weddell seals vocalize underwater at frequencies too high for humans to hear.
The research vessel Laurence M. Gould pulls up next to the Wave Glider ASV and marine technicians prepare to bring it on board. A Bot in the Ocean
Science / Oceans and Atmosphere
Monday December 14, 2020

During the past austral summer, scientists released an autonomous seafaring robot into the Southern Ocean. For four months, the small "Wave Glider" navigated the frigid Antarctic waters, collecting data on the surrounding ocean and atmosphere.

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