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KGNU - How On Earth

KGNU - How On Earth

The KGNU Science Show

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  • 25 episodes
  • weekly
  • Avg 26 min
  • English

Episodes 25

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  • Wednesday · 25 min

    AI and Fusion Energy

    Amid all the hypes, hopes, and concerns about artificial intelligence, it has been successfully applied to many areas of math and science with many more ideas on how it can improve future research. Our guest today discusses one such topic: how AI can b...

  • November 3 · 24 min

    Dogs Get Dementia Too – And There May be a Remedy

    Angela Ardolino has advocated for and developed safe, natural, ethically grown hemp and medical cannabis for human and animal use. We talked last month about her current work with aging dogs, particularly her use of medicinal mushrooms and other adapto...

  • October 28 · 24 min

    Halloween Sadism and Detecting Modern Deepfakes

      Halloween Sadism – (Starts 2:45)  Criminologist Joel Best researches questions such as, Do Halloween apples harbor razor blades?  and “Has anyone ever died of poisoned Halloween candy?” One answer might surprise you.

  • October 20 · 26 min

    Boulder vs Suncor – Chris Winter Explains Why and What’s at Stake

    Legal and Environmental Expert Chris Winter explains the Boulder Vs Suncor lawsuit, what it’s about, what’s at stake, and why it’s become the lead case, being heard at the US Supreme Court, about whether lawsuits attributing climate change damage to a ...

  • October 6 · 27 min

    Replaceable You: The Science of Growing Body Parts

    The Quest to Replace Human Body Parts (start time: 3:06) In this week’s pledge-drive show, science writer Mary Roach discusses her latest book, Replaceable You: Adventures in Human Anatomy, which was recently released in paperback (W.W. Norton & Co.).

  • September 29 · 28 min

    Youth+Adult Climate Engagement

    From Climate Week to Societal Climate Engagement (start time: 1:22) Last week tens of thousands of people from environmental nonprofit organizations, private companies, academia and other sectors came together in New York City for Climate Week NYC,

  • September 22 · 27 min

    Symbiosis – Maybe We Are All Living Together

    In this week’s show, Beth speaks with author and evolutionary biologist, Rowan Hooper, discussing the themes and examples of symbiosis from his current book, Togetherness: Symbiosis and the Hidden Story of Life’s Greatest Collaborations.

  • September 15 · 27 min

    Measuring War: Aaron Clauset

    CU Boulder Computer Scientist Aaron Clauset says military leaders frequently underestimate the ultimate length and size of a war.   Clauset offers a new way to measure wars, not just by counting deaths at a war’s end – his research shows how death rate...

  • September 8 · 26 min

    How Megafires are Transforming Conifer Forests

    Forests Vanishing in Wake of Megafires (start time: 7:55) Increasingly  large and hot wildfires are turning many conifer-dominated forests in the western U.S.and Canada into shrublands or grasslands, largely by making it impossible for ponderosa and ot...

  • September 1 · 26 min

    Screens & Tech Safety . . . in Schools

    Teaching through screens is part of getting kids ready for the digital world.  But when do tech and screens help students and when do they get in the way?  CU-Boulder Journalism Student Juliana Krigsman explores these questions with teachers,

  • August 25 · 26 min

    Moving Beyond Climate “Hushing”

    Climate “hushing” (start time: 5:41) Since President Trump began his second term as president in January, 2025, his administration, at a dizzying pace, has attacked climate change as a Democratic elite “hoax” and gutted federal funding for climate-rela...

  • August 18 · 27 min

    Take a Pause – With Jillian

    In her new book, The Power of the Pause: 90 Seconds to Calm, Reset, and Reconnect, Jillian Pransky teaches readers how a brief 90-second break can help regulate the nervous system and stop automatic, reactive habits. Today,

  • August 11 · 24 min

    Operation Music – Why or Why Not?

      A heart attack forced Boulder community leader and journalist Sam Fuqua to need emergency care.  While being wheeled into the operating room, Sam hoped to soothe his anxiety by hearing some favorite music.  His hope had scientific merit.

  • August 5 · 24 min

    Colorado River // Ghostbots

    Colorado River Water (starts 1:00)   Steep cuts are ahead in the use of Colorado River water by Arizona and California.  But what about Colorado?  For answers, we talk with CU-Boulder’s Doug Kenney, water law expert and  chair of the Colorado River Pro...

  • July 26 · 28 min

    Just What is Wilderness?

    What is a wilderness, really? Here in the US we think of it as undeveloped land, put aside to appreciate its beauty and remoteness. In other lands and cultures, wilderness is a powerful, ancient concept, at the intersection of landscape, philosophy,

  • July 21 · 27 min

    Eat Your Garden!

    Gardens are popping up everywhere, from community plots to elementary school yards to vertical plantings. A unique approach proposed by award winning British landscaper, Harry Holding, is integrating the edible aspect of vegetable gardens with the esth...

  • July 14 · 27 min

    Plastics: Health Risks & Solutions

    Microplastics: Health Concerns, Solutions (start time: 6:02)  The Environmental Protection Agency recently issued a new rule related to monitoring 30 unregulated chemicals in drinking water that could pose human health risks.

  • July 8 · 27 min

    Poking the Squid – What We Can Learn from Animal Sex

    Poking the Squid –  Good Reads calls author and illustrator Perrin Roosevelt Ireland’s new book a brilliantly funny, beautifully illustrated graphic nonfiction book that shatters our puritanical and binary notions of nature..

  • June 30 · 26 min

    Childrearing Tips (and Cautionary Tales) From the Animal Kingdom

    Parenting Across the Animal Kingdom (start time: 5:02) As humans, we tend to think that we raise our children with more care than any other animal on the planet. After all, human kids depend on their parents on average for much longer than do those of ...

Showing 1–20 of 25 episodes