On February 17, researchers from National Parks Service’s Natural Sounds project released a map depicting the loudness of a typical summer day from coast to coast across the contiguous United States.
According to the map, which was released at the annual meeting of the American Association for the Advancement of Science in San Jose, California, the eastern half of the United States is louder than the west. And although the map includes natural sounds as well as human-made sounds, it is perhaps n...
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