Risso’s dolphins have been observed to perform a rapid sprint coupled with a spin when starting a dive, even though this highly energetic movement costs considerably more energy than normal, much ...
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Our Changing World: The dance of the lanternfish
In World War II, naval sonar operators spotted something strange: a 'false seafloor' hundreds of metres below the surface of the water, that mysteriously moved closer to the surface at night. They ...
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