PODCAST

KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

26:17

Quantum Dot Antibiotics // Shrinking Ozone Hole

KGNU - How On Earth ·

2016/07/05

Quantum Dot Antibiotics (starts 1:00) This programmable antibiotic might keep pace with quickly evolving superbugs. Unlike most drugs – it’s not derived from biological sources. It’s a tiny version of the semiconductors in everything from TVs to iphones to solar panels. This “antibiotic” is made of nanoparticles, known as quantum dots. CU Biofrontiers scientists Prashant Nagpal and Anushree Chatterjee explain their new … Continue reading "Quantum Dot Antibiotics // Shrinking Ozone Hole"

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26:32

Pollinators Matter // Denver BioLabs

KGNU - How On Earth ·

2016/06/28

Pollinators Matter (starts at 4:43): Now that backyard gardens are in full bloom it’s a good time to think about pollinators. Honeybees, butterflies, beetles and other pollinators depend on many flowering plants for nectar. And we depend on these pollinators for many foods we love in our diet, from almonds to apples to blueberries. Some of these pollinators, … Continue reading "Pollinators Matter // Denver BioLabs"

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28:23

Soccermatics // Pledge Drive Show

KGNU - How On Earth ·

2016/06/21

David Sumpter’s new book is Soccermatics–Mathematical Adventures in the Beautiful Game. It’s about how the mathematical patterns of how to win at soccer — and much much more — like how a math algorithm of how a slime mold seeks out food can help engineers design an efficient subway system. The math that helps a … Continue reading "Soccermatics // Pledge Drive Show"

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27:24

Carbon Farming // Light Pollution

KGNU - How On Earth ·

2016/06/14

The Carbon Farming Solution – (Starts 2:13) Carbon Sequestration is the act of removing carbon from the air and putting it . . . somewhere else. Kendra Krueger talks with author Eric Tunesmeier about his book, The Carbon Farming Solution, with surprising information such as how driving to a remote organic farm stand can cause … Continue reading "Carbon Farming // Light Pollution"

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28:01

Diatoms: Ecology and Aesthetics

KGNU - How On Earth ·

2016/06/08

Beth interviews Dr Sarah Spaulding, of the Institute for Arctic and Alpine Research here in Boulder. Sarah studies microscopic single celled algae, creatures that photosynthesize but aren’t plants. She discusses their ecological roles in numerous ecosystems as well as challenges in identifying them and her long term goals in studying these elusive but ubiquitous creatures. … Continue reading "Diatoms: Ecology and Aesthetics"

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25:07

Cell Phones & Cancer // Narcotics Prolong Chronic Pain

KGNU - How On Earth ·

2016/06/01

Cell Phones & Cancer (Starts 1:00) A $25 million study reports cell phone radiation boosted brain cancer in rats . . . and rats exposed to radiation lived longer. Frank Barnes, CU-Boulder Distinguished Professor of Electrical and Computer Engineering, explains these paradoxical findings and implications for people. (Related stories — 2011 Cell Phone Radiation and 2014 An Electric Silent Spring) Narcotics Prolong Chronic Pain (Starts 11:35) CU-Boulder neuroscientist … Continue reading "Cell

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28:20

Our Microbes, Ourselves: Soil Bacteria Treat Stress...

KGNU - How On Earth ·

2016/05/24

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 Stress Disorders"

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27:16

GoldLab Symposium: Standing Together—Health Care for...

KGNU - How On Earth ·

2016/05/17

((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

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27:47

2016 Graduation Special (part 2)

KGNU - How On Earth ·

2016/05/05

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 reading "2016 Graduation Special (part 2)"

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27:28

2016 Graduation Special (part 1)

KGNU - How On Earth ·

2016/05/05

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 Special (part 1)"

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28:33

Foundations for Leaders Organizing for Water and...

KGNU - How On Earth ·

2016/05/04

(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 … Continue reading "Foundations for Leaders Organizing for Water and Sustainability // Quantified Self"

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27:02

The Most Perfect Thing: A Bird’s Egg

KGNU - How On Earth ·

2016/04/19

((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

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25:14

A History of Water in Colorado’s Front Range

KGNU - How On Earth ·

2016/04/13

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"

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25:30

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

KGNU - How On Earth ·

2016/04/05

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 Universe – You Can’t Get There From Here"

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24:35

Prairie Wildfire // Predicting Heat Waves // Mapping...

KGNU - How On Earth ·

2016/03/30

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 … Continue reading "Prairie Wildfire // Predicting Heat Waves // Mapping Nitrogen Pollution"

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24:45

The Science of Mind Over Body

KGNU - How On Earth ·

2016/03/15

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 of Mind Over Body"

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27:12

Pledge Drive: Mind-Body Science

KGNU - How On Earth ·

2016/03/08

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"

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24:03

STEM Research // Sex in the Sea

KGNU - How On Earth ·

2016/02/24

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 Research // Sex in the Sea"

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25:10

First Detection of Gravitational Waves

KGNU - How On Earth ·

2016/02/17

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 Gravitational Waves"

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25:38

How the Glucocorticoid Receptor can Treat Asthma,...

KGNU - How On Earth ·

2016/02/12

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, Cancer, and More"

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