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KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

28:23

Decarbonizing Cement Production

KGNU - How On Earth ·

2025/02/04

Tackling Cement’s Huge Carbon Footprint (start time: 0:58) It’s hard to imagine modern society without a key material that so many structures depend on–cement. Think of our houses, apartment and office buildings, hospitals, parking lots, bridges, and, increasingly, massive data centers of big-tech companies. But that societal glue of sorts comes with a big climate … Continue reading "Decarbonizing Cement Production"

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27:34

Tackling PFAS, From Wastewater to Tap Water

KGNU - How On Earth ·

2025/01/14

Tackling “forever chemicals” in tap water (start time: 6:11): In this week’s science show we discuss the scientific findings and societal implications of a new study showing of dangerous PFAS (per- and polyfluoroalkyl substances) in treated wastewater that ends up in the drinking water of more than 20 million Americans. We also explore the public … Continue reading "Tackling PFAS, From Wastewater to Tap Water"

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26:14

Opiate Epidemic Update from 2024

KGNU - How On Earth ·

2025/01/06

In today’s show Beth reviews the latest data on the opiate epidemic in Boulder. You’ll hear from a pharmacologist who studies substance abuse, a DEA agent who oversees the task force on fentanyl, and our state senator who discusses legislation at the state level, as well as a story on a novel, implantable device to … Continue reading "Opiate Epidemic Update from 2024"

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27:00

Science Stories from 2024

KGNU - How On Earth ·

2024/12/31

We share the How on Earth team’s picks for of science stories of 2024: Tom Cech Talks RNA (starts at 1:56) Avian Flu (starts at 9:33) Artificial Intelligence (starts at 13:13) Colorado, the Quantum State (starts at 19:19) Executive Producer: Shelley Schlender Show Producer and Host: Joel Parker Additional Contributions: Shelley Schlender, Beth Bennett … Continue reading "Science Stories from 2024"

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26:58

Ibogaine // Ice Cores // Neurospsychologist June...

KGNU - How On Earth ·

2024/12/23

Ibogaine (starts 1:00) The New York Times just featured Ibogaine for PTSD. We revisit a discussion of Ibogaine with Boulder Trauma Therapist Andrew Linares. Ice Cores (starts 10:00) The National Science Foundation Ice Core Facility in Lakewood houses thousands of ice cores collected from around the world. Ellen Mahoney takes us there for … Continue reading "Ibogaine // Ice Cores // Neurospsychologist June Gruber & Awe Walks"

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26:08

Move Your Body!

KGNU - How On Earth ·

2024/12/17

On today’s show Beth plays portions of a chat (full version here; actual talk starts at 1 minute in) she had with Katy Bowman who is a nationally-known biomechanist, author, and movement educator. They spoke at the Boulder Bookstore, where Katy discussed her new book, My Perfect Movement Plan. Bowman combines big-picture lessons on biomechanics, … Continue reading "Move Your Body!"

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52:31

Move Your Body – Extended Version

KGNU - How On Earth ·

2024/12/17

If you listened to Beth’s chat with author Katy Bowman about her book (Your Perfect Movement Plan) – complete with some audience questions – and want to hear more, here is the full hour plus session. (Actual conversation starts about 2 minutes into the file.) Listen now:

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26:58

Xmas Bird Count

KGNU - How On Earth ·

2024/12/06

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 and … Continue reading "Xmas Bird Count"

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26:58

Cocoa Flavonoids // Science of Happiness

KGNU - How On Earth ·

2024/11/26

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. Science of Happiness (starts 10:33) CU Boulder Neuro-psychologist June Gruber explains the Science of Happiness, her Positive Emotion … Continue reading "Cocoa Flavonoids // Science of Happiness"

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26:58

IF Federal Environmental Protections Go Away . . . ...

KGNU - How On Earth ·

2024/11/19

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 … Continue reading "IF Federal Environmental Protections Go Away . . . EDF Speaks Out."

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24:11

Where is Science Going in the Next 4 Years?

KGNU - How On Earth ·

2024/11/12

Today on How on Earth, Beth speaks with Dr Jon Samet, former dean of the Colorado School of Public Health and Professor of Epidemiology and Occupational and Environmental Health. Dr. Samet has served on and chaired numerous committees of the National Research Council and Institute of Medicine, also chairing the Clean Air Scientific Advisory Committee … Continue reading "Where is Science Going in the Next 4 Years?"

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27:00

Europa Clipper

KGNU - How On Earth ·

2024/11/05

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 the watery depths … Continue reading "Europa Clipper"

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27:25

COP16 Biodiversity Conference

KGNU - How On Earth ·

2024/10/29

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, and optimism from … Continue reading "COP16 Biodiversity Conference"

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26:11

Wildfire Mushrooms for Wildfire Mitigation

KGNU - How On Earth ·

2024/10/22

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 about the … Continue reading "Wildfire Mushrooms for Wildfire Mitigation"

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27:46

CU Boulder Nobel Prize Winner Tom Cech & “The Catalyst”

KGNU - How On Earth ·

2024/10/15

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 help our volunteer powered, noncommercial, community radio station. If you like what … Continue reading "CU Boulder Nobel Prize Winner Tom Cech & “The Catalyst”"

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26:39

Emotions, Beliefs, Politics

KGNU - How On Earth ·

2024/10/08

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 curtain … Continue reading "Emotions, Beliefs, Politics"

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25:59

Invasive Weed Management in Boulder County

KGNU - How On Earth ·

2024/08/19

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 … Continue reading "Invasive Weed Management in Boulder County"

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26:18

Why Do Animals Talk?

KGNU - How On Earth ·

2024/08/13

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 discoveries in animal vocal … Continue reading "Why Do Animals Talk?"

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26:54

Fire Resistant Homes

KGNU - How On Earth ·

2024/08/06

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 … Continue reading "Fire Resistant Homes"

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27:41

Rangeland Restoration – A Science Moab Show

KGNU - How On Earth ·

2024/07/15

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 and unraveling … Continue reading "Rangeland Restoration – A Science Moab Show"

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