Episodes

  • How the science of aging fits into preventing disease

    How the science of aging fits into preventing disease
    Jan 30 2026
    Many causes of death share the same common factor, the onset of advancing age. University of Arizona biologist George Sutphin describes how our understanding of aging could transform medicine in the future. He will be the first speaker in this year's College of Science free lecture series at Centennial Hall. George Sutphin spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.
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    9 mins
  • Helping an endangered desert fish survive

    Helping an endangered desert fish survive
    Jan 26 2026
    Sonoyta Pupfish are native to southern Arizona and listed as critically endangered. University of Arizona professor Peter Reinthal designed a project that brought the fish to Biosphere 2's Desert Biome habitat and give it a head start on survival. Peter Reinthal spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    9 mins
  • Investigating the health of California firefighters

    Investigating the health of California firefighters
    Jan 15 2026
    Los Angeles firefighters battled the Palisades Fire in January 2025. University of Arizona environmental health researcher Melissa Furlong talks about a study looking at the challenges the firefighters are now facing, including changes in blood proteins that can lead to cancer. Melissa Furlong spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    11 mins
  • The importance of gut health

    The importance of gut health
    Jan 9 2026
    We often hear about feelings that come from our gut. Researchers led by University of Arizona physiologist Maya Kaelberer are working to understand how our gut and brain communicate. Their studies could lead to new strategies for addressing diet-related diseases and more. Maya Kaelberer spoke to Leslie Tolbert, Ph. D Regent's professor emerita in Neuroscience at the University of Arizona.
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    13 mins
  • Selling the importance of climate science

    Selling the importance of climate science
    Dec 19 2025
    The Trump administration is moving to dismantle some of the world's leading climate and weather research institutions. It's the latest result in the politicization of climate science. University of Arizona Environmental Science professor Kathy Jacobs explains how explaining climate science has turned increasingly difficult over the past several years. Kathy Jacobs spoke with Leslie Tolbert, Ph. D. Regent's professor in Neuroscience at the University of Arizona.
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    10 mins
  • Updating the samples from asteroid Bennu

    Updating the samples from asteroid Bennu
    Dec 12 2025
    Scientists from around the world have spent two years examining material brought back to Earth from the asteroid Bennu by the University of Arizona-backed Osiris REx mission. U of A planetary scientist Jess Barnes discusses some of the findings from the Bennu samples, including how one of the minerals resembles ordinary kitchen table salt. Jess Barnes spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    11 mins
  • Connecting indigenous communities with the science of water use

    Connecting indigenous communities with the science of water use
    Dec 5 2025
    Many tribal communities are using sustainable practices associated with their culture, but water access is still an issue. University of Arizona environmental professor Karletta Chief discusses how tribes are adapting to drought conditions and ensuring there's enough water for farms and homes. Karletta Chief spoke with Leslie Tolbert, Ph.D Regent's professor in Neuroscience at the University of Arizona.
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    13 mins
  • TInvestigating the imaginative part of the human brain

    TInvestigating the imaginative part of the human brain
    Oct 16 2025
    People have spent decades trying to find a way to measure the dimension of imagination. University of Arizona neuroscientist Jessica Andrews-Hanna discusses what happens in our brains when we find ourselves lost in thought, or when we develop brand new ideas. Jessica Andrews-Hanna spoke with Leslie Tolbert, Ph.D. Regent's professor emerita in Neuroscience at the University of Arizona.
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    5 mins