Blue Sky Science: Why do hissing cockroaches hiss?

Screen Shot 2016-01-01 at 10.14.38 AMEver wondered why hissing cockroaches hiss? Eleven-year-old Erin Clawson did.

PJ Liesch, director of the UW’s Insect Diagnostic Lab, answered Erin’s question in a recent video from Blue Sky Science. The video series is a collaboration between the Morgridge Institute for Research and the Wisconsin State Journal.