Reporter Allie Conti was scammed by an Airbnb host on a trip to Chicago. When she looked into it further, she found a network of properties in different cities taking thousands of dollars from unsuspecting guests. Plus, NPR’s new daily science podcast is called Short Wave. It’s a show that digs into the science behind the headlines and makes it fun. And, what sounds do you associate with fall? Maybe the loud buzz of a leaf blower? Some communities have banned them because of noise, but also because they’re harmful to the environment. Also, we catch up on Illini sports.