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  • Turning to wildlife to stop the spread of wildfires

    Turning to wildlife to stop the spread of wildfires
    2025/10/02
    Firefighters have found extensive underground burrows dug by prairie dogs helped them halt the advance of wildfires in some Western states. University of Arizona researcher Courtney Duchardt discusses data suggesting prairie dog colonies can alter landscapes and reduce wildfire spread and intensity. Courney Duchardt spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    5 分
  • Feeding plants and animals using solar energy

    Feeding plants and animals using solar energy
    2025/09/25
    Tens of billions of pounds of wasted food ends up in landfills in the United States each year. University of Arizona professor Goggy Davidowitz is leading a team developing a system that collects food waste and dries it in a vertical greenhouse, so it can be used to fertilize fields and feed livestock. Goggy Davidowitz spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    5 分
  • Investigating dark matter in the universe

    Investigating dark matter in the universe
    2025/09/18
    Researchers know dark matter exists in the universe, but the evidence is hard to find. University of Arizona astronomy professor Dennis Zaritsky explains how scientists are exploring the space between galaxies to resolve this decades-old mystery. Dennis Zaritsky spoke to Tim Swindle, professor emeritus of planetary science at the University of Arizona.
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    5 分
  • Coping with federal funding cutbacks for research grants

    Coping with federal funding cutbacks for research grants
    2025/09/12
    An organization that helps researchers win grants for their work on the University of Arizona campus nearly shut down because of the Trump administration's funding freeze earlier this year. BRISA Center for the Environment director Paloma Beamer discusses how it is continuing its mission despite losing support from the federal government. Paloma Beamer spoke with Leslie Tolbert, Ph. D Regent's professor emerita in Neuroscience at the University of Arizona.
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    5 分
  • An operations update on the new Vera Rubin Observatory

    An operations update on the new Vera Rubin Observatory
    2025/09/04
    Astronomers released the first photographs from the Vera Rubin Observatory two months ago. Operations director Robert Blum describes how the University of Arizona-backed instrument is creating anticipation among scientists for new discoveries about the universe.
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    5 分
  • Scanning the skies for a new ninth planet | EXTENDED

    Scanning the skies for a new ninth planet | EXTENDED
    2025/09/05
    It's been almost 20 years since Pluto lost its status as the ninth planet in our solar system. Now astronomers think they have identified a candidate to take its place. Katherine Volk with the Tucson-based Planetary Science Institute discusses a rare object that is orbiting the sun in step with the eighth planet, Neptune. In this extended episode, Katherine Volk spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.
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    9 分
  • Scanning the skies for a new ninth planet

    Scanning the skies for a new ninth planet
    2025/08/28
    It's been almost 20 years since Pluto lost its status as the ninth planet in our solar system. Now astronomers think they have identified a candidate to take its place. Katherine Volk with the Tucson-based Planetary Science Institute discusses a rare object that is orbiting the sun in step with the eighth planet, Neptune. Katherine Volk spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.
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    5 分
  • Using dryland farming techniques to grow crops in the Southwest

    Using dryland farming techniques to grow crops in the Southwest
    2025/08/20
    Dryland farming has been a staple for indigenous desert communities for centuries. University of Arizona professor Michael Kotutwa Johnson discusses how modern solutions to growing crops during the drought can be developed through traditional farming methods practiced on tribal lands. Michael Kotutwa Johnson spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.
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    5 分