PODCAST

KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

23:09

Caffeine and Athletics

KGNU - How On Earth ·

2014/06/17

Caffeine and Athletics (starts at 4:35): Chances are you’ve already had a cup of coffee this morning or, if you are like me, it was a cup of tea. Or maybe, if you are truly hedonistic, you started the day with a bar of chocolate. Either way, if any of these options are part of your … Continue reading "Caffeine and Athletics"

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25:11

Hope On Earth

KGNU - How On Earth ·

2014/06/10

Hope On Earth (starts 7:08): Few people have thought as critically and deeply about the state of Earth and our role on it than Paul Ehrlich. Over the course of several decades, the Stanford University biologist and ecologist has written many books, including 1968’s controversial The Population Bomb, in which he predicted that hundreds of millions … Continue reading "Hope On Earth"

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25:34

Wireless Dawn or Electronic Silent Spring?

KGNU - How On Earth ·

2014/06/04

(1:00) Cell Phone Radiation – Headphones please? Chris Farnsworth uses a microwave meter to measure cell phone radiation, to urges people to at least use headphones with a mobile phone. (7:50) CU Engineering Emeritus Professor Frank Barnes talks with Katie Singer, author of An Electronic Silent Spring. We also offer an extended interview. Producer, Engineer, … Continue reading "Wireless Dawn or Electronic Silent Spring?"

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51:53

Wireless Technology – Extended Version of Interview...

KGNU - How On Earth ·

2014/06/03

CU-Boulder Electrical Engineering Emeritus Professor Frank Barnes is the past president of the BioElectroMagnetics Society. He recently chaired a National Research Council panel on research priorities related to the potential health effects of exposure to radio frequency energy from the use of wireless technology, such as cell phones. As a scientist, Frank Barnes recently talked … Continue reading "Wireless Technology – Extended Version of Interview with Frank Barnes and Katie Singer"

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24:45

Massive Stars

KGNU - How On Earth ·

2014/05/27

Massive stars (start time 6:45) Dr. Emily Levesque is an astronomer who studies big stars, distant stars, exploding stars, and truly weird stars called Thorne–Żytkow objects. All of these topics relate to massive stars – stars that are more than eight time more massive than our Sun. Dr. Levesque is a postdoctoral Hubble fellowship and … Continue reading "Massive Stars"

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24:32

Colorado’s Science Fair Stars // Rosetta Comet Mission

KGNU - How On Earth ·

2014/05/20

Colorado’s Science Fair Stars (starts at 3:18) As the end of the school year approaches for high school students, it’s a good time to celebrate the achievements and passion of students in Colorado who have excelled in science, technology, math and engineering (STEM). Two of them — Hope Weinstein, a senior at Fairview High in … Continue reading "Colorado’s Science Fair Stars // Rosetta Comet Mission"

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24:02

Gold Lab // National Climate Assessment

KGNU - How On Earth ·

2014/05/13

For our May 13th show we offer two features: Gold Lab Symposium (starts at 3:42): Biotech entrepreneur Larry Gold, a CU Boulder professor at the BioFrontiers Institute, talks with How On Earth’s Shelley Schlender about the annual Gold Lab Symposium, which will be held in Boulder May 16th and 17th. This year’s theme is Embracing the … Continue reading "Gold Lab // National Climate Assessment"

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23:56

Hacking Happiness

KGNU - How On Earth ·

2014/05/06

You drive to Starbucks with your cell phone in your pocket, go online, read your favorite newspaper, share an interesting book review on Facebook and then go and order the bestseller from Amazon. It’s only 9:00am, but you’ve already left a data trail—a big one—on your whereabouts, your taste, your friends, and your financial habits. … Continue reading "Hacking Happiness"

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23:56

Baseball Vision // Emerald Ash Borer

KGNU - How On Earth ·

2014/04/30

Today, April 29th, we offer two features: Baseball Vision (starts at 5:42): The major league baseball season is now in full “swing.” Fans may take it for granted that these professional athletes are in top physical condition. What’s less known is how important it is for baseball players to have perfect eyesight. Batters in particular … Continue reading "Baseball Vision // Emerald Ash Borer"

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14:39

NASA Visit // IPCC Report

KGNU - How On Earth ·

2014/04/25

Earth Day gives us plenty of reason to reflect on the state of the planet and the impact we humans have had on it. This week’s show featured Dr. Linda Mearns, a senior scientist at the National Center for Atmospheric Research in Boulder, who is among hundreds of scientists who produced the latest report on global … Continue reading "NASA Visit // IPCC Report"

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24:01

Space Dust

KGNU - How On Earth ·

2014/04/15

Dr. Mihaly Horanyi and his colleagues at the University of Colorado are on the brink of watching an instrument they developed crash into the moon. It’s okay—it’s designed to. In the meantime, the instrument, LDEX, is measuring impacts from dust particles a fraction of the width of a human hair on NASA’s LADEE mission. It’s measured … Continue reading "Space Dust"

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15:06

Space Dust – Extended Version

KGNU - How On Earth ·

2014/04/15

For the patient and interested listener, here’s more of How On Earth host Beth Bartel’s conversation about space dust with University of Colorado’s Mihaly Horanyi. We talk about why we should colonize the moon, how Dr. Horanyi got into studying dust in the first place—which is a very interesting Cold-War-era story—how space dust may give us … Continue reading "Space Dust – Extended Version"

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24:29

Conquering the Energy Crisis

KGNU - How On Earth ·

2014/04/10

Welcome to this special edition of How on Earth. This week, the 66th annual Conference of World Affairs is happening on the campus of CU-Boulder, and today’s show is one of the events. The speaker and guest in our studio today is Maggie Koerth-Baker. She writes a monthly column, “Eureka,” for The New York Times … Continue reading "Conquering the Energy Crisis"

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25:55

Quantum Computers

KGNU - How On Earth ·

2014/04/01

Quantum Computers [starts at 7:05] Dr. David Wineland has worked at the National Institute of Standards and Technology in Boulder, Colorado, for 38 years. In 2012, he shared the Nobel Prize in Physics with France’s Dr. Serge Haroche for “ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems”. Dr. Wineland and his colleagues use electromagnetic … Continue reading "Quantum Computers"

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24:03

1964 Alaska Earthquake // Neuroscience of Dying

KGNU - How On Earth ·

2014/03/25

1964 Alaska Earthquake (start time 04:37) This week 50 years ago, in 1964, the Beatles were huge, Alaska had only been a state for a mere five years, and the theory of plate tectonics was in toddlerhood. This Thursday, March 27, also marks the 50th anniversary of the magnitude 9.2 Great Alaska Earthquake of 1964. … Continue reading "1964 Alaska Earthquake // Neuroscience of Dying"

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34:32

1964 Alaska Earthquake – Extended Version

KGNU - How On Earth ·

2014/03/25

Today marks the 50th anniversary of the 1964 Great Alaska Earthquake. To commemorate the quake, we’re posting this extended version of the interview we broadcast on March 25, 2014, with Dr. Mike West, the Alaska State Seismologist and Director of the Alaska Earthquake Center. How On Earth host Beth Bartel talked with Dr. West about his recent … Continue reading "1964 Alaska Earthquake – Extended Version"

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14:10

Mother Nature Is Trying to Kill You

KGNU - How On Earth ·

2014/03/18

Welcome to the Spring Pledge Drive edition of How On Earth. I’m this quarter’s Executive Producer, Jim Pullen. We, the How On Earth team, encourage you to take a different take on the world, to examine assumptions, ideas and evidence critically. The great philosopher of science Karl Popper, a champion of the essential role of … Continue reading "Mother Nature Is Trying to Kill You"

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24:08

Plants in Space // Relativity

KGNU - How On Earth ·

2014/03/11

Plants in Space (start time 04:36) What would you miss if you were to spend an extended time in space—driving a car? Going to the movies? Hiking? Playing with your dog? Gravity, maybe? Or maybe something as simple as eating good, nutritious vegetables. How On Earth’s Beth Bartel speaks with University of Colorado undergraduate researcher Lizzy … Continue reading "Plants in Space // Relativity"

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23:47

Beringia // Dolphins & Climate Change // The...

KGNU - How On Earth ·

2014/03/04

Beringia (start time 0:55). We present an excerpt of Shelly Schlender’s interview with University of Colorado scientist John Hoffecker, lead author of a recent paper in Science magazine about the Beringia land bridge and the people who lived there 25,000 years ago. The full interview can be found here. Dolphins & Climate Change (start time 4:40). Dr. Denise … Continue reading "Beringia // Dolphins & Climate Change // The Ogallala Road"

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41:35

How Native Americans Came to Be – Extended Version –...

KGNU - How On Earth ·

2014/03/04

I’m Shelley Schlender for How on Earth. Here’s an extended version of an interview about how Native Americans came to be. It’s about a CU-Boulder study that appeared in Science Magazine in February 2014, and promptly made headlines around the world. The study involves top-notch detective work that shows how, almost 30,000 years ago, a … Continue reading "How Native Americans Came to Be – Extended Version – Beringia"

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