Over the last year, Harvard PhD candidate Erica Walker has been cycling around Boston with a decibel meter. She’s determined to map out the city’s noise to see how it affects the public’s health. “Noise is insidious,” she tells The Atlantic. “It affects you acutely, but also longterm. This is something that people don’t really talk about, but something people really suffer from.” She eventually hopes her research will help to shape the soundscape of our future cities. Read more at The Atlantic.