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KGNU - How On Earth

The KGNU Science Show

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22 episodes
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Avg 26 min
English

Episodes 22

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Tuesday · 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 ...
June 9 · 26 min
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 needs may speed the adoption of renewables and “as a side effect,
June 2 · 26 min
Hidden Nations of Animals
Complex Animal Networks (start time: 7:17) As humans, we’re all familiar with, as we live in and are members of, nations. But most of us don’t think of non-human species, be they tiny ants or beavers or bears, in this context. But Ryan Huling does,
May 19 · 26 min
Climate Change: Perils and Progress
Climate Change & Action: From the Arctic to Colorado (start time: 2:33) Twenty years ago the Academy-winning documentary An Inconvenient Truth was released in theaters nationwide. It sparked millions of people to ask themselves,
May 12 · 26 min
Silent Sky // Gold Lab Symposium
Protest It, Respect It, Defend It, Use It (starts 1:00) Friday at Denver Patagonia and Saturday at Boulder Patagonia environmental activists Annie Leonard and André Carothers discuss their new book Silent Sky (starts 2:00) Viva Theater celebrates the ...
May 5 · 26 min
A Longer Healthier Life
On this week’s How on Earth, Beth speaks with author, psychologist, and aging explorer Alan Carpenter to discuss the paradigm shift on aging he espouses. Following a life changing accident, he turned his life around by diving into the science of health...
April 27 · 26 min
The Loneliness Epidemic – CSU Researcher Natalie Pennington
The Loneliness Epidemic – Social media fuels extra risk. Especially vulnerable are people undergoing transitions . . . such as college students, who today share what can lead loneliness and how to heal from it.
April 21 · 27 min
Forest as Superorganism: What it means to Clearcut.
On this week’s How on Earth, Beth speaks with Suzanne Simard, professor and researcher at the University of British Columbia, about her book, WHEN THE FOREST BREATHES, both a call to action, and a journey into the heart of British Columbia’s old growth...
April 14 · 26 min
Buy Now Pay Later – Enticement or Addiction?
Buy Now Pay Later – is this lending service simply enticing, or is it addictive? For the GenZ 20 somethings that are its biggest users, is Buy Now Pay Later a danger or a deal? CU Boulder student and Howonearth volunteer Juliana Krigsman speaks with...
April 7 · 25 min
Women’s Health Pt. III: Menopause & the Brain
The Brain on Menopause (start time: 01:24) In this week’s show, we offer the finale of our three-part series on menopause and women’s health. We focus on a most precious organ: the brain. And we discuss how hormones such as estrogen and cortisol affec...
March 31 · 27 min
A Brain Circuit That Switches Acute to Chronic Pain
On this week’s How on Earth, Beth talks with neuroscientist and chronic pain researcher Jayson Ball. He recently completed a study of a novel brain circuit involved in generating chronic pain. Since finishing his graduate studies at CU Boulder,
March 24 · 27 min
Conserving Imperiled Prairie Dogs, Raptors & Their Grasslands
Preserving prairie dog+raptor ecosystem (start time: 5:03) Spring has just begun, even if winter hardly visited Colorado. On the plains, prairie dog colonies seem to be in full swing. However, populations of these keystone species have plummeted,

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