Kgnu - How On Earth

Pre-dawn Summer Solstice Hike (Starts 1:00) We head out before 5:30 AM, to visit the NCAR Burn site, with Boulder Naturalists Steve Jones, Scott Severs and Ruth Carol Cushman   Hobbit Like Hominoids — Still Here?  (Starts 12:06) Anthropologist Gregory Forth discusses his book, Between Ape and Human – On the Trail of a Hidden … Continue reading "Summer Solstice Hike // On the Trail of a Hidden Hominoid"

Today’s show features headline news about new methods for detecting skin cancer and using “frequency comb” lasers to sniff out even the faintest traces of methane leaks.  And then we have an encore presentation of How on Earth features about “Engineering Happiness” and a black holes. Hosts: Joel Parker, Susan Moran, Beth Bartel Producer: Joel … Continue reading "Skin Cancer // Methane Leaks // Engineering Happiness // Black holes"

This week on How on Earth, Beth talks with Dr Seven Hussey about his recent book, Understanding the Heart: Surprising Insights into the Evolutionary Origins of Heart Disease—and Why It Matters. Following his early (34 years old) heart attack, he delved into alternative therapies to heal his heart. In the book he lays out a … Continue reading "Keeping Your Heart Healthy – Off the Western Medicine Track"

With graduation season upon us, today’s edition of How on Earth is Part 2 of our annual “Graduation Special” (you can listen to Part 1). Our guests in the studio today are scientists who have or will soon receive their Ph.D. in a STEM-related field.  They talk about their thesis research, their grad school experiences, and what … Continue reading "2022 Graduation Special (part 2)"

With graduation season upon us, today’s edition of How on Earth is Part 1 of our annual “Graduation Special” (you can listen to Part 2). Our guests in the studio today are scientists who have or will soon receive their Ph.D. in a STEM-related field.  They talk about their thesis research, their grad school experiences, and what … Continue reading "2022 Graduation Special (part 1)"

Gold Lab Symposium and DeepMind’s Alpha Fold  (starts 1:00) We continue our discussion with Boulder scientist and entrepreneur, Larry Gold, about the Gold Lab Symposium on the science of Health, taking place this Thursday and Friday.  You can sign up here. Off-Target Drug Effect (starts 5:48 – ends at 10:00)  A local Boulder man recounts … Continue reading "Gold Lab Symposium and DeepMind/Alphafold"

We explore a wide range of science topics today. Brains in Space (starts 1:00) Joel Parker explains how space travel may affect human brains         Climate Grief (starts 5:17) The United Nations warns that the changing climate will lead to increasing climate grief around the world.  Kritee, a senior scientist at the … Continue reading "Brains in Space // Climate Grief // Gold Lab Symposium"

This week on How on Earth, Beth speaks with Susan Allport, an award-winning writer who has written extensively on science. They talk about her book on omega 3 fats, The Queen of Fats, namely the touted omega-3 fatty acid. These essential fats can’t be synthesized by the human body and must be obtained from our … Continue reading "The Queen of Fats: Omega-3"

Climate-conscious, pollinator-friendly gardening (start time: 4:55; scroll down for audio file): This week’s episode of How On Earth features a discussion on how cities, neighborhoods, individual residents can plan their landscapes and gardens for a hotter and drier future here on the Front Range. Host Susan Moran interviews Dave Sutherland, a field naturalist formerly with … Continue reading "Climate- & Pollinator-Conscious Planting"

Comedy+Climate Change: (start time: 5:50)  In this week’s show we look ahead to Earth Day by discussing the latest science about climate change, as reported in the recently released assessment report from the Intergovernmental Panel on Climate Change. And we explore the role that performing arts, especially comedy, can play in communicating, and processing emotions … Continue reading "Climate Change: A Laughing Matter?"

We feature an interview with astronomer and author Dr. Emily Levesque about her book, The Last Stargazers: The Enduring Story of Astronomy’s Vanishing Explorers.  In today’s episode, we talk with Dr. Levesque about the history and future of astronomy.  We hear about how astronomical observing at some of the premier telescopes in the world has changed over … Continue reading "The Last Stargazers, Part 2"

We feature an interview with astronomer and author Dr. Emily Levesque about her book, The Last Stargazers: The Enduring Story of Astronomy’s Vanishing Explorers.  In today’s episode, we talk with Dr. Levesque about how one becomes an astronomer and what a typical – and sometimes not so typical – night’s work is like at an observatory with highly … Continue reading "The Last Stargazers, Part 1"

Nature’s Songs and Cries (start time: 0:59) In this week’s show David George Haskell, a biologist at the University of the South, in Sewanee, Tenn., talks with How On Earth’s Susan Moran about his newly published book, Sounds Wild and Broken: Sonic Marvels, Evolution’s Creativity, and the Crisis of Sensory Extinction. The book is at … Continue reading "Sounds Wild and Broken"

On this week’s show  – part of the annual KGNU Spring Fund Drive – we play excerpts of an upcoming interview with astronomer and author Dr. Emily Levesque about her book, The Last Stargazers: The Enduring Story of Astronomy’s Vanishing Explorers. The book is a modern history of observational astronomy, and shares an inside look at the lives and … Continue reading "KGNU Fund Drive with The Last Stargazers"

In this week’s show Beth talks to author Annabel Streets. Her book 52 WAYS TO WALK, takes you week by week, through a smorgasbord of walks in silence, rain, mud, or wind, as well as sunshine, scents and birdsong. She explains exactly how our bodies and minds benefit from a wide mix of terrain and … Continue reading "Walking Doesn’t Have to Get Old"

We speak with Ethan Greene, director of the Colorado Avalanche Information Center, about the new study he has coauthored with Spencer Logan, a chief researcher at the center who alsoversees the Avalanche Accident database for the United States.    Their new study is available now.  It’s titled, Education and Experience Levels of People Involved in Avalanches … Continue reading "Avalanche Accidents — Who Dies?"

Long COVID  (starts 1:00) National Jewish in Denver shares research about how COVID sometimes affects the powerhouses inside our cells, the mitochondria. Green Walls (starts 3:54) are a beautiful way to cover indoor and outdoor walls with living plants.  It’s a popular feature for ultra-modern buildings.  Researchers in England report that green walls on older, … Continue reading "Green Walls//Drones Study Marshall Fire//Volunteering to GET COVID"

Heartbreak in Our  Bodies: (start time: 6:58) This week on How On Earth, host Susan Moran talks with science journalist Florence Williams about her newly published book, Heartbreak: A Personal and Scientific Journey, in which she goes on a quest to understand why, and how, the heartbreak she felt when her marriage fell apart was … Continue reading "The Science of Heartbreak"

This week on How on Earth, Beth talks to 2 climate scientists about their (very different) fields, and how climate change can play into local disasters, especially the recent fires that devastated the Front Range towns outside Boulder. Twila Moon is a glaciologist turned climate scientist who researches the effects of ice sheet melt on … Continue reading "Climate Change and Local Fires"

In this episode, we celebrate the show’s 30th Anniversary with Dave Atkins and Jeff Orrey, How on Earth’s original  hosts. We’ll play some excerpts from the pilot January 14, 1992 episode and update the science from a 2022 perspective.  Subjects range from Chinook winds and Colorado fires, finding exoplanets, the history of Hubble telescope, Halley’s … Continue reading "30th Anniversary Show"