KGNU - How On Earth

KGNU - How On Earth

Science EN ↓ 774 episodes

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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KGNU - How On Earth

Category

Science

Podcast website

howonearthradio.org

Latest episode

Jul 8, 2026

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Episodes

Our Microbes, Ourselves: Soil Bacteria Treat Stress Disorders 24.05.2016

Microbes and Stress Resilience (starts 5:13) If you’re worried that some dirt still clings to your skin under your fingernails after planting or weeding in the garden, fear not. In fact, the more you feel and even breathe its fumes, the better, research suggests. As part of our series called “Our Microbes, Ourselves,” we explore … Continue reading "Our Microbes, Ourselves: Soil Bacteria Treat Stre...

GoldLab Symposium: Standing Together—Health Care for Our Common Good 17.05.2016

((Starts 00:00)) Today we speak with Larry Gold, founder of the GoldLab Symposium that brings scientists and thinkers from around the world to share their perspectives about health and healthcare.  The theme of this year’s symposium is: Standing Together—Health Care for Our Common Good Host / Producer / Engineer: Shelley Schlender Executive Producer: Shelley Schlender

2016 Graduation Special (part 2) 05.05.2016

In this follow-up episode of our “Graduation Special” we talk with three more guests graduating with science Ph. D.’s from the University of Colorado in Boulder.  They join us to talk about their thesis research, their grad school experiences, and what they have planned next: Carleigh Samson – Environmental Engineering Program Topic: Modeling Relationships between Climate, Source … Continue readin...

2016 Graduation Special (part 1) 05.05.2016

The graduation season is upon us and our guests in today’s show will be graduating with science Ph. D.’s from the University of Colorado in Boulder.  They join us to talk about their thesis research, their grad school experiences, and what they have planned next: Greg Salvesen – Department of Astrophysical and Planetary Sciences Topic: Rethinking Accretion … Continue reading "2016 Graduation Speci...

Foundations for Leaders Organizing for Water and Sustainability // Quantified Self 04.05.2016

(Starting at 6:30) FLOWS bridges social justice and environmental issues. FLOWS provides leadership training opportunities, green job skills, and free energy and water upgrades while building partnerships between CU students and staff and community members.  They partner with and work primarily for low-income communities for water and energy conservation (the communities most in need of lower … Co...

The Most Perfect Thing: A Bird’s Egg 19.04.2016

((Starts 00:00)) We speak via Skype with Renowned English Ornithologist Tim Birkhead, about “The Most Perfect Thing.”  That’s the title of his new book.  It’s all about taking a scientific look inside, and outside, a bird’s egg. Host:  Shelley Schlender Producer:Shelley Schlender Engineer:Shelley Schlender Executive Producer: Shelley Schlender

A History of Water in Colorado’s Front Range 13.04.2016

Host Beth Bennett interviews Bob Crifasi, author of A Land Made of Water (starts at 4’55”). Bob works in water management and planning and is an environmental scientist with over 25yr experience. He was the Water Resources Administrator for the city of Boulder’s Open Space and Mountain Parks Dept. He has served on board of … Continue reading "A History of Water in Colorado’s Front Range"

Across the Universe – You Can’t Get There From Here 05.04.2016

This special edition of How on Earth is produced in conjunction with the Conference on World Affairs.  Our guests are two of the participants of the Conference: astrobiologist Dr. David Grinspoon and physicist Dr. Sidney Perkowitz.  In keeping with the traditional format of the conference panels, our guests will start by talking about their interpretation of the … Continue reading "Across the Univ...

Prairie Wildfire // Predicting Heat Waves // Mapping Nitrogen Pollution 30.03.2016

Prairie Fire (start time: 0:57) Journalist and Megafire expert Michael Kodas discusses the raging Kansas prairie fire and how it compares to wildfires in Colorado. Pacific Temperatures Predict New York Heat Waves (start time: 6:58) Climatologist Karen McKinnon says it’s possible to use precise monitoring of Pacific Ocean surface temperatures to predict heat waves on the East Coast 50 days in … Con...

The Science of Mind Over Body 15.03.2016

Mind+Body Science (start time: 4:52): If you’ve ever struggled  to decide whether to see a Western conventional doctor or an  “alternative” medical practitioner for ailments ranging from a compromised immune system to irritable bowel syndrome, you are aware of a deep divide between the two camps. Dr. Jo Marchant, a British geneticist and science writer, has delved … Continue reading "The Science o...

Pledge Drive: Mind-Body Science 08.03.2016

In today’s spring pledge-drive show we play clips from an interview with  Jo Marchant, author of the new book Cure: A Journey into the Science of Mind Over Body. (Stay tuned for the extended interview on next Tuesday’s show.) And we highlight another book, Sex in the Sea: Our Intimate Connection with Sex-Changing Fish, Romantic … Continue reading "Pledge Drive: Mind-Body Science"

STEM Research // Sex in the Sea 24.02.2016

Today’s show offers two features: High School STEM Stars (start time: 5:00): Developing polymers to reduce waste from biodiesel production. Using 3D printing to design ocean textures, such as fish gills and waves, that blind students can use in textbooks to better understand nature. These are the kind of vexing challenges of seasoned scientists. Well, a select group … Continue reading "STEM Resear...

First Detection of Gravitational Waves 17.02.2016

Interview with LIGO Scientist Dr. Matt Evans (6:22): The recent big news in physics was the announcement of the first direct detection of gravitational waves.  The detection was made by the LIGO project, which stands for “Laser Interferometer Gravitational-Wave Observatory”.  Reports have said that this is a confirmation of general relativity and a new way to … Continue reading "First Detection of...

How the Glucocorticoid Receptor can Treat Asthma, Cancer, and More 12.02.2016

The Glucocorticoid Receptor (starts at 5:30): We interview Dr. Miles Pufall who studies the glucocorticoid receptor, a protein in cell membranes that is the target of drugs used to treat a variety of conditions from asthma to cancer. Binding cortisol causes the receptor to be moved to the nucleus where it turns on (or off) … Continue reading "How the Glucocorticoid Receptor can Treat Asthma, Cance...

Winter Stars // Pollinators and Insecticides 02.02.2016

Winter Stars (starts at 5:30).  We talk with Dave Sutherland, an interpretive naturalist with Boulder Open Space and Mountain Parks, about winter star-gazing.  This program is tied to an upcoming concert performance by the Boulder Philharmonic Orchestra on February 12, 2016.  More information about the Boulder night hikes and other programs can be found at:  www.naturehikes.org and to find out mor...

Electric Car Road Trips // Renewable Energy Nation . . . in 15 Years 26.01.2016

Electric Car Road Trips (starts 3:42): We go on a road trip with How on Earth’s Shelley Schlender to see how all-electric vehicles are exceeding “range anxiety” by driving coast to coast, all on electricity.  Along the way we talk with Boulder Nissan’s Nigel Zeid about regional plans to help more drivers “plug in” and with Hunter Lovins, head of Natural Capitalism Solutions. … Continue reading "El...

Using the Microbiome to Determine Time of Death 20.01.2016

Using the Microbiome to Determine Time of Death (starts at 5:40): This week on How on Earth, we speak with Jessica Metcalf, an evolutionary biologist, who studies bacteria, specifically the microbiome. One of her research interests is using molecular biology to address basic hypotheses about the role of microbes in corpse decomposition. The time since … Continue reading "Using the Microbiome to De...

Hubble Space Telescope 18.01.2016

Today’s show of How on Earth starts with headlines about dark matter, genetic mysteries, jealous monkeys, and polar bears.  We then present a short feature of BBC’s Science in Action about the Hubble Space Telescope. This is shorter than our usual How on Earth show due to technical difficulties with the phone system for our feature interview … Continue reading "Hubble Space Telescope"

Hunter Lovins – Regenerative Economics Extended Version 05.01.2016

Hunter Lovins – Regenerative Economics EXTENDED VERSION.  This is the extended version of the fall 2015 talk by Hunter Lovins, recorded by Shelley Schlender. Lovins heads up Natural Capitalism Solutions, and she’s a sought after speaker around the world, as well as here in Colorado. She gave this talk, including visuals, and called it Regenerative Economics.  This talk was recorded in Boulder as …...

Our Microbes, Ourselves — Special Call-in Show 31.12.2015

Our Microbes, Ourselves, Dec. 31, 2015: Roughly one hundred trillion bacteria are living, and gorging, in our gut–all the more so during the indulgent holidays. Microbes influence our health and well-being, by affecting our gut directly, as well as the crops we eat and the soils in which we grow crops. These microbial communities  – called the gut … Continue reading "Our Microbes, Ourselves — Spec...

Hunter Lovins – Regenerative Economics for the Future of Humanity 29.12.2015

Hunter Lovins – Regenerative Economics (Starts 2:42) One of the world’s leading voices for the environment is urging the world to work for even more than a sustainable economy.  She says it’s time for a regenerative economy.  That’s the message from Boulder County resident, Hunter Lovins.  Lovins heads up Natural Capitalism Solutions, and she’s a … Continue reading "Hunter Lovins – Regenerative Ec...

Climate Change and Cities 22.12.2015

Climate Change and Cities (starts at 5:05)  Sea level rise, severe storms, heat waves – these are just a few of the challenges cities might be facing as the climate changes in the next few decades.  So how should they adapt to cope with such events? And with urban developments being one of the largest … Continue reading "Climate Change and Cities"

What You Can Do About Global Warming 17.12.2015

What You Can Do About Global Warming (starts at 5:20): We interview Craig Hover, author of A World to Come Home To: Ending Global Warming in Our Lifetime. Craig is a licensed professional engineer with more than 30 years of engineering, project and facilities management, financial services and consulting. In his book he lays out a … Continue reading "What You Can Do About Global Warming"

Beyond Cop21Paris: Climate Science & Policy 08.12.2015

Today, Dec. 8, we offer the following feature: Changing Climate, Changing Policy (start time: 7:06): As political leaders are still hammering out an accord at the UN Climate Summit, or COP21, in Paris, to rein in global warming, today we discuss the underlying scientific facts about climate change, and the policy promises and challenges for … Continue reading "Beyond Cop21Paris: Climate Science &...

Grad School Science 27.11.2015

What is graduate school and how does it differ from the undergraduate experience?  What drives people to go through another 4…5…6…or more years of school? Today’s show features some people who might be able to tell us about the grad school experience in the sciences.  We have three grad students from the University of Colorado at … Continue reading "Grad School Science"

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