Throughout the world ocean, animals congregate at certain depths. A new paper shows that, rather than consisting of a random mixture of animals, these deep-scattering layers contain discrete groups of ...
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 ...
MOSS LANDING, CA--Throughout the world ocean, animals congregate at certain depths, forming layers that can be hundreds of meters thick and may extend horizontally for dozens or even hundreds of ...