PODCAST

KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

24:20

We Breathe Microbes with Noah Fierer

KGNU - How On Earth ·

2011/09/30

We explore the world microbes, and how they’re everywhere, and how the University of Colorado at Boulder has scientists such as Noah Fierer who are trying to track all those microbes down and figure out which ones help us and which ones don’t, and how they interact. These scientists have studied the microbes on a … Continue reading "We Breathe Microbes with Noah Fierer"

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25:17

Pine Beetle Kill // Plight of Sharks

KGNU - How On Earth ·

2011/09/14

Feature #1: If you live on the Front Range, or just about anywhere else in Colorado, you don’t have to go far to notice huge swaths of rusty brown that have replaced green conifer forests. By now, many people are familiar at least with the devastating effects of the mountain pine beetle. But far fewer … Continue reading "Pine Beetle Kill // Plight of Sharks"

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15:25

Plight of Sharks – Extended Interview with Juliet...

KGNU - How On Earth ·

2011/09/13

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24:49

Wind Energy

KGNU - How On Earth ·

2011/09/07

In today’s show take a look at the future of wind energy. We have with us in the studio Sandy Butterfield. Sandy is the CEO and co-founder of Boulder Wind Power. Prior to his starting this venture, Sandy spent over 24 years at the National Renewable Energy Laboratory’s National Wind Test Center. Co-hosts: Tom McKinnon and … Continue reading "Wind Energy"

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25:07

GMOs & Health: The Loss of Small Farms and the Rise...

KGNU - How On Earth ·

2011/08/30

We look at the strange rise in autoimmune diseases, allergies and asthma, with experts from the University of Chicago Celiac Disease Center and with National Jewish Health Immunlogist Andy Liu in Denver. And, we explore whether genetically modified crops might be increasing our chance of getting ill, with Agricultural Scientist, Charles Benbrook of The Organic … Continue reading "GMOs & Health: The Loss of Small Farms and the Rise of Immune Disorders"

en-US

37:30

GMOs and Health – Extended Interview with Andy Liu –...

KGNU - How On Earth ·

2011/08/30

en-US

27:54

GMOs and Health – Extended Interview with Stefano...

KGNU - How On Earth ·

2011/08/30

en-US

19:36

GMOs and Health – Extended Interview with Carol...

KGNU - How On Earth ·

2011/08/30

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13:26

GMOs and Health – Extended Interview with Charles...

KGNU - How On Earth ·

2011/08/30

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24:12

Nitrogen pollution // Electric vehicles

KGNU - How On Earth ·

2011/08/24

On today’s show we offer two interview features. Feature #1: Last week the Environmental Protection Agency published a seminal report about nitrogen, which is an enormous environmental and public health problem that some scientists put on par with the carbon imbalance. Nitrogen is essential for all life, including ours, but excess nitrogen in the environment … Continue reading "Nitrogen pollution // Electric vehicles"

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24:36

Pluto’s Moons // Wildlife Preservation

KGNU - How On Earth ·

2011/08/16

Feature #1: Last month, astronomers working on the Hubble Space Telescope announced the discovery of another, fourth moon around Pluto; this moon is so small that it could fit easily inside Boulder County (a pretty tricky thing to find at a distance of three and a half billion miles). The researchers who found the new … Continue reading "Pluto’s Moons // Wildlife Preservation"

en-US

10:16

Extended interview with Alan Stern

KGNU - How On Earth ·

2011/08/16

On today’s show we featured an interview with Alan Stern of the Southwest Research Institute, who is principal investigator on NASA’s New Horizons mission. He told us about a fourth, tiny moon orbiting Pluto—found last month by his team during observations in support of New Horizons, which will arrive at Pluto in 2015. Here’s an … Continue reading "Extended interview with Alan Stern"

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24:57

Lean Deli Meat vs A Big Fat Steak . . . and Water in...

KGNU - How On Earth ·

2011/08/09

We talk with one of the nation’s leading nutrition scientists . . . whose opinions about food and health might not be popular with the American Salt Institute . . . OR with the USDA. Dariush Mozaffarian is with the Harvard School of Public Health, in the department of epidemiology. Current projects include leadership of … Continue reading "Lean Deli Meat vs A Big Fat Steak . . . and Water in Outer Space"

en-US

17:08

Janos Perczel – Invisibility Cloak (Extended Version)

KGNU - How On Earth ·

2011/08/09

This podcast provides extended version of our interview with Janos Perczel about his new Invisibility Cloak. Background: An undergraduate at the University of St. Andrews in Scotland has overcome a major hurdle in the development of invisibility cloaks by envisioning an optical device that would allow the cloak to hide things against CHANGING backgrounds. The … Continue reading "Janos Perczel – Invisibility Cloak (Extended Version)"

en-US

23:52

Harvard Epidemiologist Dariush Mozaffarian on Salt...

KGNU - How On Earth ·

2011/08/09

Here’s an extended version of Shelley Schlender’s interview with Dariush Mozaffarian on Salt. Note that in the interview, Shelley asks Dr. Mozaffarian to comment on some of the assertions made in the popular press, Scientific American story, It’s Time to End the War on Salt.” The interview mentions a citation in the popular press article … Continue reading "Harvard Epidemiologist Dariush Mozaffarian on Salt (extended version)"

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23:51

Tech aspects of Boulder utility municipalization

KGNU - How On Earth ·

2011/08/02

In November Boulder will be asking the voters to approve the conversion of the electrical utility from one run by Xcel Energy to one run by the city. While there are many, many political issues associated with this vote, there are technical ones as well. We have on our show today Ken Regelson. Ken is a … Continue reading "Tech aspects of Boulder utility municipalization"

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23:11

Music producer Tom Wasinger comments on HOE theme...

KGNU - How On Earth ·

2011/07/26

Grammy Award-winning music producer Tom Wasinger comments on the entries to the How on Earth theme song contest. Give us comments on your favorite theme song here. The winner will be announced on August 12, 2011. Co-hosts: Ted Burnham and Tom McKinnon Engineer: Tom McKinnon Executive Producer: Susan Moran Producer: Tom McKinnon

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24:03

Green Tech Author // NCAR Climate Scientist

KGNU - How On Earth ·

2011/07/20

This week’s How On Earth offers two features: Co-host Susan Moran interviews Alexis Madrigal, a senior editor for The Atlantic magazine and author of the new book, Powering the Dream: The History and Promise of Green Technology. Madrigal spins tales of the bicycle boom in the 1800s and how it paved the way for cars, … Continue reading "Green Tech Author // NCAR Climate Scientist"

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24:39

Ocean Acidification // Citizen Science

KGNU - How On Earth ·

2011/07/13

Feature #1: Many problems plague the oceans and the fish and other species that inhabit them: overfishing, pollution, and much more. But perhaps the greatest threat to sea life – and possibly to humans – is ocean acidification. That’s when the chemistry of the ocean changes and causes seawater to become more … Continue reading "Ocean Acidification // Citizen Science"

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25:09

Science Education, Evolution & Creationism

KGNU - How On Earth ·

2011/06/28

At its most basic level, science can be considered as non-political or at least politically neutral: science is dedicated to the collection of facts and interpreting them to help us understand the universe and how it works. For that reason, many people – one may even say our culture in general – places a high … Continue reading "Science Education, Evolution & Creationism"

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KGNU - How On Earth

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