PODCAST

KGNU - How On Earth

The KGNU Science Show

science natural sciences

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23:46

Underwater Volcanoes // Sleep

KGNU - How On Earth ·

2012/01/24

Underwater Volcanoes (start time 5:45). Most of our planet’s volcanoes are out of sight, and largely out of mind. Hidden under sometimes thousands of feet of water, volcanoes on the sea floor bubble and boil away without our knowledge and largely without our understanding. We talk with Oregon State University volcanologist Bill Chadwick about some … Continue reading "Underwater Volcanoes // Sleep"

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24:01

20th Anniversary Science Show

KGNU - How On Earth ·

2012/01/17

We celebrate 20 years of How on Earth, featuring the 1st ever KGNU science show, 20 years ago, including Bucky Balls, Electromagnetic Radiation and Cows, Hubble, Bubble, Toil and Trouble, and along the way, we give updates on current science issues, including Tom McKinnon talking about applications for Bucky Balls (Fullerenes) today, a conversation with … Continue reading "20th Anniversary Science Show"

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31:45

The first KGNU science show (Jan 1992)

KGNU - How On Earth ·

2012/01/16

Here is the ORIGINAL KGNU science show, broadcast 20 years ago in January 1992. For our science show on January 17, 2012, we’ll feature excerpts from this show, along with interviews with two of the show’s originators, KGNU station manager, Sam Fuqua, and KGNU Volunteer, Jeff Orrey.

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24:31

Nicotine Patches // Restoring the Desert

KGNU - How On Earth ·

2012/01/10

Do nicotine patches really help you stop smoking? Shelley Schlender interviews a scientist who says they don’t. Lois Biener and her colleagues at the University of Massachusetts and Harvard University have done a study that indicates that out in the real world, people who use nicotine replacement therapy in the hopes of an easier “quit” … Continue reading "Nicotine Patches // Restoring the Desert"

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7:34

Nicotine Patches Don’t Work [extended version]

KGNU - How On Earth ·

2012/01/10

This is an extended version of the interview with researchers at Harvard and the University of Massachusetts, which indicates that out in the real world, people who use nicotine replacement therapy in the hopes of an easier “quit” don’t fare any better than people who use will power and community support. Some people who use … Continue reading "Nicotine Patches Don’t Work [extended version]"

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24:47

Logicomix: An Epic Search for Truth

KGNU - How On Earth ·

2012/01/03

We hear about a book called Logicomix, featuring Christos Papidimitriou, who is one of the world’s leaders on computational complexity theory, and what happens when he consents to be interviewed by two 10-year olds. And in the headlines, we delve into a new report published in the January issue of Archives of Pediatrics & … Continue reading "Logicomix: An Epic Search for Truth"

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23:42

Clean Water Struggles // 2011’s Big Sci-Enviro-Tech...

KGNU - How On Earth ·

2011/12/27

Mining retention pond in Colorado. Image courtesy of the EPA. Clean Water Struggles. Co-host Susan Moran interviews journalist Judith Lewis Mernit about how small rural communities in the West are struggling to afford complying with federal water-quality standards as they relate to water pollutants. Mernit wrote an article on the topic in High Country News’ Dec. … Continue reading "Clean Water Struggles // 2011’s Big Sci-Enviro-Tech Stories"

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23:41

Holiday Sci & Tech Gifts // Eating Your Heart Out?

KGNU - How On Earth ·

2011/12/20

We take a look at favorite holiday sci-tech gifts, including the SparkFun Inventor’s Kit, Logicomix, Manga Guide to Electricity, Lego Mindstorms, a fun new novelty for anyone on your list – giant microbes. After the show, we also voted to add yet one more item to your last-minute gifts – a mesh bag of … Continue reading "Holiday Sci & Tech Gifts // Eating Your Heart Out?"

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23:53

Incentives for Renewable Energy//Climate Change and...

KGNU - How On Earth ·

2011/12/13

In last month’s election, Boulder voters gave the go-ahead for the city to move forward on municipalizing the electrical utility. The chief motivation for that decision was to put more renewable energy on the grid. There are a large number of policy options to incentivize renewable energy – so many that it’s hard to keep … Continue reading "Incentives for Renewable Energy//Climate Change and Biodiversity"

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22:28

Future of Electric Vehicles//Diet and Acne

KGNU - How On Earth ·

2011/12/06

Jim Motavalli joins us by phone from his home in Fairfield, Connecticut. Jim is the author of a new book titled “High Voltage: The Fast Track to Plug In the Auto Industry” and helped us sort out some of the issues around EVs. Mr. Motavalli is an auto journalist who writes for the New York … Continue reading "Future of Electric Vehicles//Diet and Acne"

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24:14

Of Math and Wizards

KGNU - How On Earth ·

2011/11/29

One often hears people state “I’m not good at math” or that they don’t like math because it they don’t think it has any relevance to their day-to-day life (other than, maybe, to balance a checkbook). However, both of those myths are addressed head-on in a new book titled “Math for Life: Crucial Ideas You … Continue reading "Of Math and Wizards"

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24:19

Wild Turkeys // Light Pollution

KGNU - How On Earth ·

2011/11/22

In celebration of Thanksgiving, Beth Bartel interviews Stan Baker of the National Wild Turkey Federation about wild turkeys in Colorado. You may be surprised at the story of the wild turkey in North America and just how different the wild turkey is from the domestic turkeys we’re used to. There’s a reason Benjamin Franklin wanted … Continue reading "Wild Turkeys // Light Pollution"

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22:38

Water Crisis // Maker Movement

KGNU - How On Earth ·

2011/11/15

Susan Moran has a telephone interview with Cynthia Barnett. Cynthia is a journalist and author of Blue Revolution: Unmaking America’s Water Crisis.” She calls the U.S. one of the most “water-wasting places on the planet.” But in her book she also draws from positive examples of water conservation in the country to propose a new … Continue reading "Water Crisis // Maker Movement"

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23:40

Colorado & Oceans // Nitrogen & Snails

KGNU - How On Earth ·

2011/11/09

Feature #1 (time mark 5:30) When people think of Colorado, they usually don’t think about “oceans”. After all, Colorado doesn’t have much of a coastline these days, though it was definitely had oceanfront property a few hundred million years ago. However, being in a landlocked state doesn’t mean that there isn’t any thing we … Continue reading "Colorado & Oceans // Nitrogen & Snails"

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23:42

Urban Parks // Pythons and Heart Disease

KGNU - How On Earth ·

2011/11/02

Today, November 1, we offer two features. Feature #1: Co-host Susan Moran interviews Jonathan Jarvis, director of the National Park Service, who discusses NPS’ quest to lure more people to urban parks, not just the iconic national parks such as Yellowstone and the Grand Canyon. These “threshold” experiences can lead people to appreciate, and help … Continue reading "Urban Parks // Pythons and Heart Disease"

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24:15

National Parks: Extended interview with Jonathan Jarvis

KGNU - How On Earth ·

2011/11/02

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23:50

National Perspective on Municipalization//Science of...

KGNU - How On Earth ·

2011/10/25

Tom McKinnon and Peter Asmus of Pike Research discuss electrical utility municipalization from a national perspective. Peter adds an interesting statistic — the photovoltaic industry already has created more jobs than coal mining even though at present it produces much less power. Shelley Schlender interviews Bill Hoch of Montana State University about why leaves turn … Continue reading "National Perspective on Municipalization//Science of Fall Colors"

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18:36

Extended Interview: Richard Dawkins, The Magic of...

KGNU - How On Earth ·

2011/10/18

On today’s pledge drive show we played excerpts from an interview with evolutionary biologist and author Richard Dawkins about his new book, The Magic of Reality: How We Know What’s Really True. The book was also featured as a promotional gift for listeners who chose to support KGNU, the independent community radio station that makes … Continue reading "Extended Interview: Richard Dawkins, The Magic of Reality"

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23:30

Post-Wild Nature//LED Lighting

KGNU - How On Earth ·

2011/10/11

Nature means something different to everyone. It’s a towering old-growth redwood forest to some. Deep silent canyons to others. And urban community gardens to others. Defining what is “pristine nature” is even more dicey. Just ask conservation biologists trying to figure out the best ways to preserve ecosystems and their flora and fauna. Co-host Susan … Continue reading "Post-Wild Nature//LED Lighting"

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24:18

Wildfire Science

KGNU - How On Earth ·

2011/10/05

October is Wildfire Awareness Month, so on today’s show we look back at the Fourmile Canyon wildfire and hear from local researchers about some of the scientific opportunities that the fire afforded over the last year. Jim Roberts, an atmospheric chemist at the National Oceanic and Atmospheric Administration, tells us about some of the unexpected … Continue reading "Wildfire Science"

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