When a Madison elementary school student posed the question “Why do chickens lay different-colored eggs?,” the Blue Sky Science team turned to CALS animal science’s and UW Extension’s Ron Kean for the answer. Watch Kean’s response in the video below or on the Blue Sky Science website.

Blue Sky Science is a collaboration of the Wisconsin State Journal and the Morgridge Institute for Research. The questions are posed by visitors to the Discovery Building. The Blue Sky Science team then sets out to find an expert to answer the questions.