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KGNU - How On Earth

The KGNU Science Show

science natural sciences

All Episodes

24:30

Polar Bears // Climate Scientists

KGNU - How On Earth ·

2015/03/24

Climate Scientists (starts at 1:00): Climate scientists (scientists in general) tend to steer clear of speaking out as activists about concerns that are politically volatile. But that’s changing. Many climate scientists are stepping out of their research comfort zone to offer personal stories of why they care and what we all can do about the … Continue reading "Polar Bears // Climate Scientists"

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23:24

Using Worms to Study Neurodegenerative Diseases

KGNU - How On Earth ·

2015/03/22

Nematode worms for studying Alzheimer’s (start time 4:57). Beth Bennett interviews Dr Chris Link from CU Boulder on his research into the genetic basis of Alzheimer’s Disease, ALS, and other neurodegenerative disorders. Hosts: Kendra Krueger, Beth Bennett Producer: Beth Bennett Engineer: Kendra Krueger Executive Producer: Kendra Krueger Listen to the show:

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24:18

Rust: The Longest War // The Moral Arc

KGNU - How On Earth ·

2015/03/10

On today’s spring pledge-drive show we offer segments of two feature interviews. See extended versions also below. Both books are available to those who pledge at least $60 to KGNU. Call 303.449.4885 today. Rust: The Longest War (start time: 4:25) It is arguably the most destructive natural disaster in the modern world. And it’s the … Continue reading "Rust: The Longest War // The Moral Arc"

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18:31

The ATLAS Institute // Firefighters and Climate Change

KGNU - How On Earth ·

2015/02/25

ATLAS Institute Today we are joined in the studio with Mark Gross of the Alliance for Technology, Learning and Society institute at CU and Alicia Gibb Director of The Blow Things Up Lab, one of the spaces part of the ATLAS department. ATLAS was formed in 1997 as a university wide initiative to integrate information … Continue reading "The ATLAS Institute // Firefighters and Climate Change"

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23:23

Ancestors in Our Genome

KGNU - How On Earth ·

2015/02/18

We speak with Eugene Harris, Professor in the Department of Biological Sciences and Geology at Queensborough Community College – part of the City University of New York – about his new book, Ancestors in Our Genome. In this feature, we discussed the methods used by molecular anthropologists to determine human evolution from our primate ancestors and … Continue reading "Ancestors in Our Genome"

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23:49

War of the Whales: A True Story

KGNU - How On Earth ·

2015/02/11

War of the Whales: A True Story (starts at 3:35): In the early hours of March 15th, of the year 2000, a Cuvier beaked whale washed ashore a mere 100 feet from Ken Balcomb’s house on the island of Abaco in the Bahamas. It was, for the whale, a fortuitous coincidence: Balcomb was a marine … Continue reading "War of the Whales: A True Story"

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24:28

Arctic Frontiers // Wind Forecasting

KGNU - How On Earth ·

2015/02/04

Arctic Dispatch (starts at 2:18): There is no question that the Arctic is thawing faster than anywhere on the planet, except the western Antarctic Peninsula. But there are still so many unknowns regarding how things are actually changing in different places, and to what effect. How On Earth’s Susan Moran recently attended the Arctic Frontiers … Continue reading "Arctic Frontiers // Wind Forecasting"

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23:50

Other Rocky Planets are Common!

KGNU - How On Earth ·

2015/01/30

We talk with astronomer Travis Metcalfe about finding the oldest known planetary system in the Galaxy, and what it means about the formation of planets, the possibilities of extraterrestrial life, and how does one actually find planets around other stars? Headlines include switches in the man-made biological organisms that could possibly be used for bioterrorism, and … Continue reading "Other Rocky Planets are Common!"

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24:21

Moonshine // Parkinson’s Network Exercise

KGNU - How On Earth ·

2015/01/20

The Science of Moonshine (starts 3:55) We talk with a Boulder scientist who has a home still for making high-proof brandy from backyard apples. It’s illegal to make your own liquor, even if you only sip it with friends and never sell it. So our moonshiner remains anonymous. Parkinson’s Network Exercise Class (starts 7:35) … Continue reading "Moonshine // Parkinson’s Network Exercise"

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25:04

The Rightful Place of Science: Disasters and Climate...

KGNU - How On Earth ·

2015/01/14

The rightful place of science (starts at 6:22): In 2014, the world certainly saw more than a few costly weather disasters. Flooding in India and Pakistan in September killed more than 600 people and resulted in economic losses of more than $18 billion. Super Typhoon Rammasum, which hit the Philippines, China and Vietnam in July … Continue reading "The Rightful Place of Science: Disasters and Climate Change"

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Coral Climate Clues // Tropical Carbon Sink

KGNU - How On Earth ·

2015/01/07

On today’s show we offer three feature interviews, including a short opening interview. Alcohol and weight gain (starts at 3:34): Science journalist Jill Adams shares the latest science on the connection between alcohol and weight gain. The science is murky, as she states in her recent column in the Washington Post. Climate Clues in … Continue reading "Coral Climate Clues // Tropical Carbon Sink"

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23:27

Red Meat & Mice // Loren Cordain – The Paleo Diet

KGNU - How On Earth ·

2014/12/30

“Sugar” in Red Meat – Cancer in Mice? (starts at 6:10) We talk with Ajit Varki, a researcher at the University of California in San Diego whose latest mouse studies reveal a potential inflammatory compound in red meat — a “sugar” called sialic acid. (For more, listen to our extended version of this interview) Paleo … Continue reading "Red Meat & Mice // Loren Cordain – The Paleo Diet"

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26:35

Red Meat Sugar Glycans and Inflammation – Extended...

KGNU - How On Earth ·

2014/12/30

I’m Shelley Schlender for How on Earth. Up next is an extended interview with University of California in San Diego scientist Ajit Varki about his team’s new mouse study that indicates that a “sugar” in red meat, called sialic acid, can trigger inflammation when fed to mice. This sugar is intriguing because it’s a molecule … Continue reading "Red Meat Sugar Glycans and Inflammation – Extended Version"

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23:43

Himalayan Glacial Lakes

KGNU - How On Earth ·

2014/12/24

Himalayan Glacial Lakes (starts at 5:20) Some scientists conduct their experiments in a laboratory — think clean white walls, artificial lighting, A.C. and a convenient coffee pot not far away. Not so for Ulyana Horodyskyj, a graduate student at the University of Colorado. For the last few years she’s been looking at glaciers and the lakes on … Continue reading "Himalayan Glacial Lakes"

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24:37

Weather Drones // The late Dr. Theo Colborn

KGNU - How On Earth ·

2014/12/17

Weather drones (start time 5:10) Brian Argrow, former professor and Associate Dean of engineering at CU Boulder, joins us in the studio to talk about the recent formation Unmanned Aircraft Systems and Sever Storm Research Group. The group is a collaboration between the CU Boulder and the University of Nebraska-LIncoln who have been working together … Continue reading "Weather Drones // The late Dr. Theo Colborn"

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24:38

Want to Save the Amazon? Think Like an Ant.

KGNU - How On Earth ·

2014/12/08

The Yasuni National Park in Ecuador is one of the most biodiverse places on earth, but it is currently at risk from oil development. Some of the park’s inhabitants, however, are trying to forge a more sustainable, and less destructive path out of poverty. These indigenous Kichwa people, who have already been caretakers of the … Continue reading "Want to Save the Amazon? Think Like an Ant."

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22:49

Animal Weapons – The Evolution of Battle (Doug Emlen)

KGNU - How On Earth ·

2014/12/02

We talk with biologist Douglas Emlen, who says that the evolution of animal weapons, in everything from dung beetles to saber tooth tigers, has him very worried about our HUMAN weapons (starts 4:20) . . . and listeners are invited to join the Sunday, December 14th 73rd Boulder Audubon Christmas Bird Count Hosts: Jane … Continue reading "Animal Weapons – The Evolution of Battle (Doug Emlen)"

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3:15

Green Chemistry (extended version)

KGNU - How On Earth ·

2014/11/25

Listen here for an extended conversation with John Warner about the difference between enthalpy and entropy and how it relates to our scientific world view.

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24:38

Green Chemistry

KGNU - How On Earth ·

2014/11/25

There’s a lot of attention right now on creating environmentally friendly technology, non-toxic and sustainable manufacturing, but as Dr. John Warner explains it, it all has to start with the chemistry. John Warner is a chemist, professor and co-founder of the Warner-Babcock Institute for Green Chemistry. He speaks profoundly about learning methods from nature … Continue reading "Green Chemistry"

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24:08

Science of Booze // Rosetta Mission

KGNU - How On Earth ·

2014/11/19

Proof: The Science of Booze (starts at 8:09): Science journalist Adam Rogers, who claims to have taken a liking to single-malt whiskey when he reached drinking age, has immersed himself further into alcohol–particularly, the history and science of making booze, tasting it, and enjoying–or suffering—the effects of it. Booze is a big story: Indeed, making … Continue reading "Science of Booze // Rosetta Mission"

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