The oceans are increasingly cluttered with human-made noise, which can disturb even the largest animals on Earth, blue whales, new research shows.
Whales depend on vocalizations to communicate with other individuals in their species over long distances. But sonar blips that the U.S. military uses in underwater navigation, object-detection and communication are feared to mask whale calls, deter the marine mammals from their habitats and damage the animals' hearing, researchers say.
To read the full, original article click on this link: Military Sonar May Hurt Blue Whales | LiveScience
