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Sound and the sea

By Jessica Perelman Leonardo da Vinci first observed that ships could be heard at long distances underwater back in the late 1400s, and physicists first measured the speed of sound in water in 1826. But little did these… Read More
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Learning by listening to the whales of New York

Co-authored by Carl Safina New York City may be home to more than 8.4 million people, but here also resides quite a bit of wildlife. On a recent summer afternoon in the Big Apple, I spotted hoards of… Read More
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