KGNU - How On Earth

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

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

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 th

Regenerating Cartilage to Heal Osteoarthritis (Achy Knees) CU-Boulder Stephanie Bryant

  One million Americans get knee replacements every year, for a cost of up to $70,000 per knee, plus a year-long recovery.  CU-Boulder scientist Stephanie Bryant leads a

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: Adventure

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, a

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

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 wa

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 i

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 Jou

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 clima

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 nervo

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 an

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 wi

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, wildernes

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,

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 chemical

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

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 al

Kyle Datta – Energy Security, War & Renewable Energy

Global conflicts are revealing vulnerabilities in the global reliance on imported fossil fuels and centralized power.  Energy Analyst Kyle Datta says energy security need