Credit: Monterey Bay Aquarium Tackling Plastic Pollution (start time: 3:50) In this week’s show, host Susan Moran interviews science journalists Fionna Samuels, an assistant editor at Chemical & Engineering News, a publication of the American Chemical Society; and Priyanka Runwal, an associate editor at C&EN. Along with other colleagues, they wrote…

Spotted Towhee Field Report (starts 1:00) We join Boulder naturalists Steve Jones and Ruth Carol Cushman on a Christmas Bird Count as Boulder’s winter water saunas. Xmas Bird Count’s Bill Schmoker (starts 4:28) Boulder’s Annual Xmas Bird Count is Sunday December 15th. Bill Schmoker is the organizer of this Count, which is one of the longest-running…

Dark Hot Cocoa (Taylor Wolfram) Cocoa Flavonoids (starts 1:00) Could a cozy cup of cocoa help with holiday stress? Nutrition Scientist Catarina Rendeiro explains how chocolate can provide anti-inflammatory flavanoids, but MOST do not. And there’s a way to tell. CU Boulder Scientist June Gruber Science of Happiness (starts 10:33) CU Boulder Neuro-ps…

World Climate Talks (Starts 1:00) CU Boulder Director of Environmental Journalism Tom Yulsman gives an update on COP29 United Nations 29th Conference on Climate Change, in this hottest year on record, and threats to shut down NOAA. Methane Leaks, Trump and the EDF (starts 4:10) EDF — Environmental Defense Fund’s Rosalie Winn, explains why reducing …

WASHINGTON, DC – APRIL 05: U.S. President Donald Trump and Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, hold a press briefing with members of the White House Coronavirus Task Force on April 5, 2020 in Washington, DC. On Friday, the Centers for Disease Control and Prevention issued a recommendation that all A…

image from NASA/JPL-Caltech Today’s show features NASA’s Europa Clipper mission, which launched on October 14th, 2024 on a Falcon Heavy rocket, setting the spacecraft on its 10-year journey to explore Jupiter’s moon Europa. Europa Clipper carries nine instruments to study this ocean world covered by an ice shell to determine if there are places in …

COP16: Hope & Hurdles (start time: 1:20) On this week’s show, host Susan Moran interviews two conservation biologists at Colorado State University — Chris Funk and Liba Pejchar. They both recently attended the United Nations Biodiversity Conference, or COP16, which is still underway in Cali, Colombia, and they share their experiences, perspectives,…

WIldfire Mushroom c Coldfire Project Wild, local mushrooms can break down deadwood into healthy soil, and they can do this surprisingly fast. Used correctly, fungi are an emerging way to reduce the forest tinder that makes mega-wildfires more likely. But there’s a wrong way and a right way to use mushrooms for mitigation Our experts today will talk…

Nobel Laureate and CU Boulder researcher Tom Cech. (Photo by Glenn Asakawa/University of Colorado) CU Boulder Nobel Prize Winner Tom Cech discusses his new book, The Catalyst, RNA and the Quest to Unlock Life’s Deepest Secrets Tom Cech is our featured interview for the KGNU Fall Membership Drive. Thank you to listeners who are contributing funds to…

Image credit: Brown University Beliefs, Perceptions, Decision-making (start time: 4:37) For many people if feels like our society, and our beliefs, have never been as polarized as they are now. Indeed, we are living in a politically polarized society. But it’s not as unique, or as extreme, as many think. In this week’s show we look behind the curta…

Boulder Colorado Nature Hikes Local Science/Nature Calendar (starts 1:00) We share news about the Marshall Mesa Trailhead Closure to eliminate burning underground coal, CSU Professor Mark Easter talks about the Blue Plate Book Launch, THIS THURSDAY at Boulder’s Patagonia Store, and a Hiking Song:Vocal Improvisation in the Wild, NEXT THURSDAY Octobe…

The Blue Plate in a Red-hot World (start time: 7:46) While adding cream to your morning cup of coffee, or digesting the hamburger that you grilled last night, you might not have been asking yourself, What’s the carbon footprint of these ingredients and meals? Understandable. Our guest today, ecologist Mark Easter, however, has pondered this questio…

Colorado Parks & Wildlife Wolf Release Wolf Family Recaptured (Starts 1:40) Colorado Parks & Wildlife did not reply to our request for an update on the fate of Colorado’s newly captured wild wolf family. CU Boulder Professor Marc Bekoff did, offering suggestions for how to improve human-wolf interactions under the voter mandate to reintroduce wolve…

This is an extended interview with CU Boulder Wildlife Expert Marc Bekoff about challenges and possibilities with Colorado Wolf Reintroduction. For the broadcast interview, GO Here. And here is an AI-generated written transcipt.Oleh KGNU - How On Earth

In this week’s show Beth spoke with Marc Bekoff, well known and loved for his decades of research into animal behavior, emotion and cognition, about the new edition of his classic book, The Emotional Lives of Animals. Marc Bekoff is professor emeritus of Ecology and Evolutionary Biology at the University of Colorado, Boulder. For decades he has stu…

Peter McGraw SOLO: Building a Remarkable Life of Your Own. CU Boulder Professor, Behavioral Economist and book author Peter McGraw uses statistical data and personal anecdotes to explain the growing worldwide trend for adults to live “Solo.” (for Cat Ladies song, go here) Show Producer and Host: Shelley Schlender Executive Producer: Susan Moran…

When people talk about going to the Moon, it is often in terms of establishing a station there, or finding water, or doing science about the Moon such as studying moon rocks. But we can do interesting science from the Moon that can’t be done on Earth, which is our topic today with guest Dr. Jack Burns, Professor Emeritus in the University of Colora…

On this week’s show Beth speaks with Joe Swanson and Laura Backus to discuss some of the invasive weeds that are plaguing Boulder County. Joe is the County Weed Coordinator for Boulder County Parks & Open Space. Joe has worked for over 17 years in rangeland and natural areas management and has been on the forefront of Boulder County Parks & Open Sp…

Animal Communication Science (start time: 2:57) Whether you own a dog or horse, or have listened to dolphins, wolves, chimpanzees or other wild animals, you’ve probably wondered what they’re saying when they communicate vocally – and why do they communicate the way they do? Our guest, zoologist Arik Kershenbaum, explores recent scientific discoveri…

In this fire prone season, we talk with experts about an ancient building technique that might reduce the chance that a building’s going to burn. Unfired, compressed earth blocks are a building material that involves clay, sand and lime. Our guests are architect-engineer Lisa Morey and one of her clients, Matteo Rabescini, who had such a home built…

credit: Maeve Conran. The Flatirons in Boulder shrouded in wildfire smoke on Wednesday, July 24, 2024. The Colorado Department of Public Health and Environment issued an air quality alert due to particle pollution and ozone levels. Wildfire smoke has marred the Front Range in recent weeks, due to Megafires that are likely to become more frequent. A…

Photo credit: Jeff Mitton Clever Chickadees on the Front Range (start time: 4:20) Many of us wake up these days to a chorus of songbirds, including mountain and black-capped chickadees. Host Susan Moran interviews Scott Taylor, an ecologist at CU Boulder and director of the Mountain Research Station near the Continental Divide, about a multi-year s…

On this week’s How on Earth we’re airing a show produced by Science Moab‘s Peggy Hodgkins. She speaks with Professor Kari Veblen, who is currently a professor of rangeland ecology at Utah State University. Her research focuses on the ecology and management of rangelands, including questions related to restoration, plant community dynamics, grazing …

In this episode, we talk with journalist and author Rebecca Boyle about her book Our Moon – How Earth’s Celestial Companion Transformed the Planet, Guided Evolution, and Made Us Who We Are. We discuss how the Moon impacts all aspects of our lives including the creation of life. It is a key component to philosophy and religion, culture and agricultu…

Making “Compostable” Products Truly Compostable (start time: 0:56) You’ve probably wracked your brain at some point trying to figure out whether the compostable-labelled clamshell or the green-tinted plastic cup you got at a restaurant is truly compostable. Many products contain misleading and outright false claims, leaving consumers confused about…