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To most people, the sound of Chicago is the bat cracking at Wrigley Field, children splashing along the lakefront, or the L train rumbling overhead. To Giovanni Aloi and Chris Hunter, the city sounds ...

The mid-summer lull in nature noise is about to come to an end. Crickets, katydids, grasshoppers and cicadas are about to take up their part of the annual outdoor orchestral. They’ll begin ...

Male insects, such as crickets and katydids, create sounds by rubbing their wings together, a process called stridulation. The sounds of these insects, which have existed for millions of years, can be ...