View full lesson: http://ed.ted.com/lessons/how-do-whales-sing-stephanie-sardelis
Communicating underwater is challenging. Light and odors don’t travel well, but sound moves about four times faster in water than in air — which means marine mammals often use sounds to communicate. The most famous of these underwater vocalizations is undoubtedly the whale song. Stephanie Sardelis decodes the evocative melodies composed by the world’s largest mammals.
Lesson by Stephanie Sardelis, animation by Boniato Studio.
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