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  • 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 […]

  • Posted on August 23, 2017
    Protecting the future of oak

    A video produced in collaboration between UW-Madison, UW-Extension and the Department of Natural Resources encourages Wisconsin woodland owners to adopt land management practices that encourage […]

  • Posted on July 18, 2017
    How do plants grow if there’s no sunlight?

    How do plants grow if there’s no sunlight? In this episode of Blue Sky Science, Andrew Jablonski, a master’s student in plant physiology, answers that question posed […]

  • Posted on June 15, 2017
    What is water scarcity?

    What is water scarcity? In this episode of Blue Sky Science, CALS bacteriology professor Trina McMahon answers that question. Blue Sky Science is a collaboration of the Wisconsin […]

  • Posted on May 9, 2017
    Why do fresh cheese curds squeak?

    Why do fresh cheese curds squeak? In this episode of Blue Sky Science, Mark Johnson, a scientist with the Wisconsin Center for Dairy Research, answers that question posed by […]

  • Posted on March 31, 2017
    Why (and for how long) do butterflies stay in a cocoon?

    Why (and for how long) do butterflies stay in a cocoon? In this episode of Blue Sky Science, Jeremy Hemberger, a graduate student in the entomology department, answers that […]