Ocean noise rises as ship traffic reshapes sea life
Marine biologists warn increasing underwater noise from ships and oil work affects fish and cephalopods beyond whales. Studies show altered schooling in herring and cod, tuna scattering, and possible sensory damage in cephalopods from low frequency sounds. Experts urge broader research.
MENTIONED IN THIS ARTICLE
Seattle
Jason Gedamke
National Marine Fisheries Service
Ocean Acoustics
George W. Bush
White House
Rachel Carson
Bush Administration
Alan Mooney
Woods Hole Oceanographic Institution
Massachusetts
Marla Holt
Northwest Fisheries Science Center
Earliest mammals sniffed their way to smarts
Washington researchers led by Timothy B. Rowe of the University of Texas report that mammal brains evolved in stages starting with the smell center. Tiny ancestors like Morganucodon and Hadrocodium used odor and touch to navigate, hinting at future scent-based robotics and security applications.
MENTIONED IN THIS ARTICLE
Washington
Timothy B. Rowe
University of Texas
Rowe
Science
R. Glenn Northcutt
Scripps Institution of Oceanography
Northcutt
Hans-Dieter Sues
Smithsonian
National Museum of Natural History
Sues
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U.S. Navy Marine Mammal Program
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Calif
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Hans Slabb
Bex Wr
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