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How On Earth is a 25-minute news magazine about science, environment, technology, and more. The show is produced by volunteers at KGNU community radio in the Boulder-Denver area. We collect fascinating science headlines from around the world, produce features about the exciting research being done in our region, and interview the many accomplished scientists that make Colorado their home. How On Earth is also broadcast live at 8:35am (Mountain Time) every Tuesday morning in the Boulder-Denver area on KGNU: 88.5 FM / 1390 AM / Streaming on KGNU.org
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De nyeste 50 af 792 episoder
- AI and Fusion Energy · 26 min.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…
- Dogs Get Dementia Too – And There May be a Remedy · 25 min.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…
- Halloween Sadism and Detecting Modern Deepfakes · 24 min.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…
- Boulder vs Suncor – Chris Winter Explains Why and What’s at Stake · 27 min.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…
- Regenerating Cartilage to Heal Osteoarthritis (Achy Knees) CU-Boulder Stephanie Bryant · 24 min.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 team that’s…
- Replaceable You: The Science of Growing Body Parts · 28 min.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…
- Youth+Adult Climate Engagement · 28 min.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…
- Symbiosis – Maybe We Are All Living Together · 28 min.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 · 27 min.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…
- How Megafires are Transforming Conifer Forests · 27 min.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…
- Screens & Tech Safety . . . in Schools · 27 min.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…
- Moving Beyond Climate “Hushing” · 27 min.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…
- Take a Pause – With Jillian · 28 min.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…
- Operation Music – Why or Why Not? · 24 min.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…
- Colorado River // Ghostbots · 25 min.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…
- Just What is Wilderness? · 28 min.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…
- Eat Your Garden! · 28 min.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…
- Plastics: Health Risks & Solutions · 27 min.Microplastics: Health Concerns, Solutions (start time: 6:02) The Environmental Protection Agency recently issued a new rule related to monitoring 30 unregulated chemicals in…
- Poking the Squid – What We Can Learn from Animal Sex · 27 min.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…
- Childrearing Tips (and Cautionary Tales) From the Animal Kingdom · 27 min.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…
- Kyle Datta – Energy Security, War & Renewable Energy · 27 min.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…
- Hidden Nations of Animals · 27 min.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…
- Climate Change: Perils and Progress · 26 min.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…
- Silent Sky // Gold Lab Symposium · 27 min.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…
- A Longer Healthier Life · 27 min.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…
- The Loneliness Epidemic – CSU Researcher Natalie Pennington · 27 min.The Loneliness Epidemic – Social media fuels extra risk. Especially vulnerable are people undergoing transitions . . . such as college students, who today share what can lead…
- Forest as Superorganism: What it means to Clearcut. · 28 min.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…
- Buy Now Pay Later – Enticement or Addiction? · 27 min.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?…
- Women’s Health Pt. III: Menopause & the Brain · 26 min.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…
- A Brain Circuit That Switches Acute to Chronic Pain · 28 min.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…
- Conserving Imperiled Prairie Dogs, Raptors & Their Grasslands · 27 min.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…
- Pollinator Power & Precarity · 26 min.The Power of Precarity of Pollinators (start time: 8:01) This extremely warm winter in Colorado has delivered early spring blooms, and thus early appearances of some pollinators…
- The Scale of the Universe · 27 min.How big is the universe – not just in the scale of distance but also the scale of time? What do those…astronomical…scales mean about us humans on Earth and how can we understand…
- Winter Recreation in a Warmer World · 26 min.On this week’s How on Earth, we hear from a climate scientist about the implications of our changing weather patterns for winter recreation. It’s a warm, dry winter, throughout…
- What do Grasslands Have to do with Climate Change? · 27 min.We hear an interview aired by our sister community radio station’s, Science MOAB. Ecologist Brooke Osborne talks about how dryland ecosystems – such as the grasslands east of…
- Women’s Health Pt. II: Heart Health · 24 min.Truths & Tips About Women’s Heart Health (start time: 7:33) February is American Hearth Month, a nationwide observation spotlighting cardiovascular disease, and a call for all of…
- Women’s Health Pt. I: Menopause, etc. · 26 min.New Rules of Women’s Health (start time: 6:26) If you’re female, you may have come of age reading the landmark feminist health book Our Bodies, Ourselves. Originally published in…
- Hepatitis B Vaccination: Just the Facts · 26 min.On today’s science show we hear from vaccine researchers Rochelle Walensky and Angela Ulrich, and physician/scientist Peyton Thompson, about the safety and efficacy of the…
- Water Your Winter Trees · 26 min.Water your trees! This warm, dry winter means urban trees need extra water to stay healthy. City of Boulder foresters Patrick LaPhilliph and Andrew Holt, and City of Longmont…
- Improving Law Enforcement Behavior through Artificial Intelligence · 27 min.We speak with experts about how artificial intelligence combined with Police Body Camera footage improved professionalism in the Aurora Colorado Police Department. Guests include…
- Colorado’s Wildlife Action Plan, etc.: Pt. II · 27 min.Protecting Wolves, ferrets, prairie dogs, vultures, etc. (start time: 3:39) How effective are Colorado’s efforts to preserve vulnerable species – wolves, black-footed ferrets…
- Colorado’s Wildlife Action plan: Pt. I · 27 min.Wolves, bears, prairie dogs and more (start time: 7:12) A couple of months ago, the Colorado Parks and Wildlife agency released a plan to support biodiversity and guide how the…
- Coral: Past, Present, Future · 27 min.In this week’s show Beth speaks with science writer, educator, and scientist Dr. Lisa Gardiner about her recent book Reefs of Time: What Fossils Reveal about Coral Survival. Lisa…
- Wind: It’s Past & Future · 27 min.The Force of Wind (start time: 7:10) For those living here on Colorado’s Front Range, you’ve likely had close encounters with wind — whether you’ve witnessed in fear branches…
- World Domination…by Slime Molds? · 27 min.On today’s show, Beth speaks with award-winning science writer Jennifer Frazer about her upcoming book: The Slime Mold’s Guide to World Domination: A Natural Mystery. The book is…
- Critical Earth Minerals Hiding in Plain Sight – Elizabeth Holley · 27 min.Critical Earth Minerals Hiding in Plain Site – Colorado School of Mines professor Elizabeth Holley shares how the US could break its dependency on critical earth mineral imports…
- Better Steam//CU-Boulder at World Climate Conference · 27 min.Great Steam . . . from a Heat Pump (starts 1:00) Time Magazine named CSU Engineer Todd Bandhauer one of 2025’s top climate innovators. His heat pump makes steam better than…
- Megadroughts Could Cause World Wide Dustbowls — CSU Melinda Smith Explains · 26 min.Dustbowl Days Today (starts 5:00) Colorado State University grasslands scientist Melinda Smith explains the study she conducted with the grassroots help of nearly 200 scientists…
- Winter is Coming: Why Leaves Fall · 26 min.The physiology of deciduous trees (start time: 11:09) For many people living in places with four distinct seasons, such as here in Colorado, a favorite pastime at this midpoint…
- Peak Performance: Revisiting a Classic · 28 min.Five years ago, Beth spoke with Dr Marc Bubbs about his best-selling hardcover book, PEAK: THE NEW SCIENCE OF ATHLETIC PERFORMANCE. Since then, Bubbs has been on the leading edge…
