KGNU - How On Earth

KGNU - How On Earth

Science EN ↓ 788 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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Author

KGNU - How On Earth

Category

Science

Podcast website

howonearthradio.org

Latest episode

Oct 13, 2026

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Episodes

The Moral Arc – Extended Interview with Michael Shermer 02.04.2018

Shelley Schlender talks with renowned skeptic Michael Shermer about his new book, The Moral Arc:  How Science and Reason lead humanity toward truth, justice and freedom.  This is an extended version of the interview.  (27 minutes)

MDMA for PTSD – Extended Interview with Karen, PTSD Survivor 28.03.2018

This is an exended interview with a survivor of treatment resistant post traumatic stress disorder, also known as PTSD.  Karen says she is cured of her PTSD now, thanks to a treatment that includes lots of psychotherapy, plus three times when she took a dose of the psychoactive chemical, MDMA.  MDMA is classed as a … Continue reading "MDMA for PTSD – Extended Interview with Karen, PTSD Survivor"

MDMA for PTSD – Extended Interview with Marcella Ot’Alora – Principal Investigator 28.03.2018

This is an extended interview with Marcella Ot’alora.  Ot’alora is a Boulder psychotherapist, and the principal investigator for the Boulder branch of the FDA approved, nationwide studies of using MDMA in the treatment of post-traumatic stress disorder, also known as PTSD.  MDMA is classed as a federally illegal drug.  However the FDA has approved the … Continue reading "MDMA for PTSD – Extended I...

MDMA for PTSD – Psychiatrist Will Vanderveer 28.03.2018

In the years ahead, doctors across the U.S. might be prescribing a currently illegal drug as therapy for the hard-to-treat condition known as Post-Traumatic Stress Disorder (PTSD).  The new “medicine” would be MDMA, an ingredient in the party drug ecstasy.  The treatment is showing success for many of the study participants (go here for an … Continue reading "MDMA for PTSD – Psychiatrist Will Vand...

Enlightenment Now 20.03.2018

You may be among many who wistfully harken back to the “golden days” of the past. For some people the past does look rosier, or perhaps the present looks grim, but, according to Steven Pinker, a Harvard University cognitive psychologist, that “golden age” of the past is a reflection of faulty memory. We — most … Continue reading "Enlightenment Now"

Enlightenment Now // Pledge Drive Teaser 13.03.2018

Today’s pledge-drive show features parts of our recent interview with Steven Pinker. Enlightenment Now: If you think the world, including the U.S., is falling apart, that the ideal of progress is as quaint as riding to work on a horse and carriage, you’re hardly alone. But you’re wrong, argues  Harvard University cognitive scientist Steven Pinker in his … Continue reading "Enlightenment Now // Ple...

Urban Air Pollution: A new culprit 07.03.2018

It’s the endless stream of tailpipes on the L.A. freeway which  causes that unsightly smog, nagging cough and chronic respitory problems, right?  Perhaps not any more, a new scientific study helps build the case that the major culprit may now be purchases made at the corner drug store or hardware store.  Chip Grandits speaks with … Continue reading "Urban Air Pollution: A new culprit"

The Starmus Festival 27.02.2018

Woodstock.  Lallapalooza. Lilith Fair.  Coachella.  Burning Man.  All famous music and art festivals.  What about…science festivals?  Perhaps a festival with all the “rock stars” of science and space exploration, and while you’re at it, throw in a few music rock stars as well?  Well, that describes the Starmus Festival.  Starmus is the brain child of Dr. Garik … Continue reading "The Starmus Festi...

Spaceport Earth 25.02.2018

Spaceport Earth. This week on How on Earth, we speak with Joe Pappalardo about his book “Spaceport Earth”. With the successes of Space-X and Blue Origin, private and commercial spaceflight is a fast growing business. Pappalardo talks with us about this new space industry and the advances and setbacks that have been faced. In particular, … Continue reading "Spaceport Earth"

Plastic Pollution in Ocean 13.02.2018

In today’s show we offer two related features: Plastic Pollution in the Arctic, Green Chemistry  (start time: 7:48) Try to wrap your brain around this statistic: by mid-century the mass of plastic in the oceans will weigh more than the total mass of fish if we continue with ‘business as usual,’ according to the World Economic Forum. Plastic … Continue reading "Plastic Pollution in Ocean"

The Longevity Diet 03.02.2018

This week on How on Earth, Beth interviews Dr Valter Longo, director of the USC Longevity Institute. Dr Longo has researched the fundamental mechanisms of aging in yeast, mice and humans using genetics and biochemistry techniques. He is also interested in identifying the molecular pathways conserved from simple organisms to humans that can be modulated … Continue reading "The Longevity Diet"

Science on Tap 23.01.2018

Boulder, Colorado has a rich culture of science, as the home for serveral prestigious national laboratories, a thriving technology industry, the flagship campus of the University of Colorado and various joint ventures between them.  As a science enthusiast, where might you go to find a community of like minded people? Must you work in a … Continue reading "Science on Tap"

Fragrance Free – Roger the Barber // Shelly Miller 16.01.2018

Roger the Fragrance Free Barber (Starts 3:25)   Artificial fragrances in shampoos, colognes, lotions. deodorant, laundry detergent and more nearly led Roger the Barber, to give up his profession, due to his chemical sensitivities.  Then he opened his own, fragrance free, shop.  He caters to clients who prefer a fragrance free environment . . . and educates people about what fragrance … Continue re...

Miracle Brew – The Amazing Science (and Art) of Brewing Beer 12.01.2018

This week on How on Earth, Beth interviews Pete Brown, author of Miracle Brew, the story of how beer is made of 4 seemingly simple components, but really from an amazing complexity of science and art. The New York Times recently reviewed Miracle Brew. Here’s what they said: A magisterial tour of fearsome science and … Continue reading "Miracle Brew – The Amazing Science (and Art) of Brewing Beer"

2017 Look Back – 2018 Look Forward 06.01.2018

For this end-of-the-year/start-of-the-year  How on Earth show, we look back to 2017 with clips from some of our features from the past year: selections about tracking methane leaks, ketogenic diets, using MDMA to treat PTSD, gravitational waves, the solar eclipse, space missions, and the politicization of science.  Those are just a few of the topics we covered … Continue reading "2017 Look Back –...

Keto for Cancer, part 2 20.12.2017

This week on How on Earth, Beth finishes the interview with Miriam Kalamian, author of Keto for Cancer. This encyclopedic volume lays out the groundwork for using a ketogenic diet to treat cancer. But, as the author points out, the diet, which starves cancer cells, should be used in conjunction with other therapies. To see … Continue reading "Keto for Cancer, part 2"

Healthy . . . But Missing Gut Microbes 13.12.2017

Healthy . . . But Missing Gut Microbes (Starts 3:25) Practically everyone on the planet now knows that animals have microbes in their guts. This is a new field of exploration, and top researchers emphasize that we need to learn much more before making any blanket statements about the total effect of the gut microbiome.  Nevertheless, … Continue reading "Healthy . . . But Missing Gut Microbes"

Ketogenic Diet for Treatment of Cancer//BBC Science in Action 06.12.2017

This week on How on Earth, we started speaking with Miriam Kalamian, author of the newly released Keto for Cancer. The interview starts at 11′ 30″, but unfortunately we lost the connection after only 5 minutes. You can link to her book at http://www.chelseagreen.com/keto-for-cancer and we will have her back to hear the full story! … Continue reading "Ketogenic Diet for Treatment of Cancer//BBC Sci...

The Unnatural World 21.11.2017

The Unnatural World (start time: 6:58): It’s an audacious topic for a book: the planet, and audacious individuals who are working to save — actually, to remake — human civilization and our home on Earth. David Biello is the science curator at TED and a contributing editor at Scientific American. His debut book, The Unnatural … Continue reading "The Unnatural World"

Lancet Countdown on Climate Change 15.11.2017

Lancet Countdown on Climate Change (starts 3:45) Respectable science journals no longer debate whether human activity causes climate change, or even if it can be reversed to prevent human suffering.  They now scramble to figure out what will be the cost and who will pay.  The bill will be payable in lost lives and livelihoods.  The … Continue reading "Lancet Countdown on Climate Change"

Tamed and Untamed: Essays on the Animal Kingdom 08.11.2017

This week on How on Earth, Beth interviews Sy Montgomery and Liz Thomas, co-authors of Tamed and Untamed: Close Encounters of the Animal Kind: Some amazing stories of their experiences with animals throughout the animal kingdom, ranging from domestic animals (chickens are smarter than we thought!) to wild animals to invertebrates. the 2-3 page format … Continue reading "Tamed and Untamed: Essays o...

Mutant Proteins // Future Technologies 24.10.2017

Mutant Proteins and Protein Evolution (starts 4:42) CU School of Medicine professor David Pollock explains why he has devised a new way to identify and predict both the evolution of proteins and disease causing protein mutations.    Pollock’s highly technical model uses an analogy about a physical model called the Stokes Shift to help explain the biochemical properties of how proteins change, for...

Nuclear Tests and the Van Allen Belts 12.10.2017

In 1963, the United States, the Soviet Union, and Great Britain signed the Limited Test Ban Treaty, agreeing to not test nuclear weapons in the atmosphere, underwater, or in outer space.  France continued atmospheric testing until 1974, and the last atmospheric test was done by China on October 16, 1980. Over 500 atmospheric nuclear tests … Continue reading "Nuclear Tests and the Van Allen Belts"

Antibiotics & Your Microbiome 05.10.2017

This week on How on Earth, Beth interviews Dr Martin Blaser of New York University who challenges the assumption that antibiotics are harmless drugs targeting only harmful pathogens. In his recent book, Missing Microbes, Blaser presents the evidence that antibiotics are causing the extinction of important bacteria in our microbiome. These microbes have co-evolved with … Continue reading "Antibioti...

Committed Warming 27.09.2017

Much of current climate science research focuses on understanding how the climate is changing and what type of climate we will have in the near future. But to understand where the climate is going, we need to understand where the climate has been. It is especially important to understand how the climate has responded to … Continue reading "Committed Warming"

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