News tagged with underwater

New maps show how shipping noise spans the globe

The ocean is naturally filled with the sounds of breaking waves, cracking ice, driving rain, and marine animal calls, but more and more, human activity is adding to the noise. Ships' propellers create low-frequency hums that ...

May 31, 2013
5 / 5 (1) 0

Bay's underwater grasses decline for third year

(Phys.org) —An annual aerial survey led by researchers at the Virginia Institute of Marine Science shows that the abundance of underwater grasses in Chesapeake Bay and its tidal rivers declined 24% between ...

Apr 26, 2013
5 / 5 (1) 0

Robotic fish navigate flowscapes

The EU funded European research project FILOSE has developed robots with a new sense - lateral line sensing. All fish have this sensing organ but so far it had no technological counterpart on man-made underwater ...

Mar 06, 2013
5 / 5 (3) 0 | with audio podcast