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  • Posted on August 29, 2018
    Blue Sky Science: Why do hissing cockroaches hiss?

    In this episode of Blue Sky Science, PJ Liesch, director of the Insect Diagnostic Lab, answers Erin Clawson’s question, “Why do hissing cockroaches hiss?” The Blue Sky Science […]

  • Posted on July 25, 2018
    Blue Sky Science: Do trees get viruses?

    Do trees get viruses? Brian Hudelson, director of the Plant Disease Diagnostics Clinic, answers that question in this episode of Blue Sky Science. The Blue […]

  • Posted on June 19, 2018
    Blue Sky Science: How is spider silk made?

    In this episode of Blue Sky Science, Marie Thompson asks, “How is spider silk made?” Entomology’s P.J. Liesch, director of the UW Insect Diagnostic Lab, answers her question. […]

  • Posted on May 24, 2018
    Blue Sky Science: Do plants produce nectar every day?

    Do plants produce nectar every day? In this episode of Blue Sky Science, Johanne Brunet, professor of entomology answers that question posed by Arlene Koziol, a volunteer with the […]

  • Posted on March 20, 2018
    Blue Sky Science: Is it possible to bring back extinct animals?

    In this episode, Stanley Temple answers the question, “Is it possible to bring back extinct animals?” Temple is the Beers-Bascom Professor Emertius in Conservation in the […]

  • Posted on February 13, 2018
    Rich Hartel makes gummy bears for Blue Sky Science

    How are gummy bears made? In this episode of Blue Sky Science, food science professor Rich Hartel, who runs an annual “Candy School” for confectionery professionals, answered […]

  • Posted on January 26, 2018
    Blue Sky Science: How do cows make milk?

    The Blue Sky Science video series is a collaboration of the Wisconsin State Journal and the Morgridge Institute for Research. They take questions posed by visitors to the […]

  • Posted on December 19, 2017
    Why do chickens lay different-colored eggs?

    Why do chickens lay different-colored eggs? In this episode of Blue Sky Science, Ron Kean, a faculty associate in animal sciences, answers that question posed by 8-year-old […]

  • Posted on November 15, 2017
    Catching the bug: Protecting Wisconsin’s 700 million ash trees

    Learn how professor Chris Williamson and the UW-Madison Department of Entomology are fighting to protect Wisconsin’s 700 million ash trees from a deadly beetle, the […]

  • Posted on October 16, 2017
    Why do leaves change color in the fall?

    Why do leaves change color in the fall? In this episode of Blue Sky Science, Ray Guries, emeritus professor of forest and wildlife ecology, answers that question […]