SCIENCE IN THE NEWS DAILY
Noise Pollution Hard On Heart as Well as Ears
According to a recent study, noise pollution could be costing lives. A World Health Organization report finds Western Europeans lose years to death or disability from excessive sound. Though European countries have taken steps to turn the volume down, the U.S. backed off the effort decades ago.
Across an estimated population of 340 million people, at least 1 million years of healthy living are lost each year due to noise pollution in Western Europe, WHO researcher Rokho Kim says.
A few too many sleepless nights can add up to heart disease, higher blood pressure and a host of stress-related health issues. But, Kim says, it's not the lost sleep so much as the human body's reaction to noise that's dangerous.
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Using the Atacama Cosmology Telescope (ATC), a 6.5-meter microwave collector in Chile, cosmologists are piecing together the early history of the known universe. In an exclusive American Scientist interview, Arthur Kosowsky—a member of the ATC team and a professor in the Department of Physics and Astronomy at the University of Pittsburgh—discusses how he is using ATC to reach back in time billions of years to search for gravitational waves that could verify inflation and reveal unprecedented details about how the cosmos was born.
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