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KGNU - How On Earth

The KGNU Science Show

science natural sciences

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25:24

Antibiotics & Your Microbiome

KGNU - How On Earth ·

2017/10/05

This week on How on Earth, Beth interviews Dr Martin Blaser of New York University who challenges the assumption that antibiotics are harmless drugs targeting only harmful pathogens. In his recent book, Missing Microbes, Blaser presents the evidence that antibiotics are causing the extinction of important bacteria in our microbiome. These microbes have co-evolved with … Continue reading "Antibiotics & Your Microbiome"

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27:12

Committed Warming

KGNU - How On Earth ·

2017/09/27

Much of current climate science research focuses on understanding how the climate is changing and what type of climate we will have in the near future. But to understand where the climate is going, we need to understand where the climate has been. It is especially important to understand how the climate has responded to … Continue reading "Committed Warming"

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28:35

The Cassini Mission to Saturn

KGNU - How On Earth ·

2017/09/19

The Cassini mission to Saturn launched 20 years ago, on October 15, 1997. It took seven years to reach Saturn, and has been orbiting and intensely studying Saturn ever since…until last week when the mission ended in a final dive into Saturn’s atmosphere. The mission studied Saturn, its famous rings, and its many moons using … Continue reading "The Cassini Mission to Saturn"

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26:46

Aging Research Part 2

KGNU - How On Earth ·

2017/09/13

This week on How on Earth we speak with Simon Melov, a biochemist at the Buck Institute for Aging. Dr Melov studies various aspects of aging in worms, mice and humans. The aging field is replete with new and exciting discoveries and Simon’s work epitomizes that. Hosts:Beth Bennett and Chip Grandis Producer:Beth Bennett Engineer:Maeve Conran … Continue reading "Aging Research Part 2"

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26:03

Biofuels Tradeoffs

KGNU - How On Earth ·

2017/09/05

Biofuels Tradeoffs (start time: 8:27): In this week’s show David DeGennaro, an agriculture policy specialist with the National Wildlife Federation and author of a report called “Fueling Destruction,” talks with host Susan Moran about the environmental consequences of biofuels, and about possible solutions. The Environmental Protection Agency has proposed maintaining record support for biofuels, namely corn. Last week the EPA … Continue reading "Biofuels Tradeoffs"

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26:41

Climate Change and Extinctions Following an Asteroid...

KGNU - How On Earth ·

2017/08/30

Climate Change and Extinctions Following an Asteroid Impact (starts at 8:45) It has been hypothesized that the dinosaurs were killed off by a large asteroid that struck the Earth. The details of how the impact of a 10 kilometer diameter asteroid led to global scale extinction have remained elusive. Recently, climate researchers from the Boulder … Continue reading "Climate Change and Extinctions Following an Asteroid Impact"

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25:46

Boulder Firestone Monorail // Regeneration & Eclipse...

KGNU - How On Earth ·

2017/08/26

Sustainable Transportation is a major issue for the front range. In that field a hot topic is PRT, which stands for Personal Rapid Transit system, a radical vision for creating a sustainable infrastructure to get us from point A to point B. How on Earth interviews Dr. R. Paul Williamson about his proposal for an … Continue reading "Boulder Firestone Monorail // Regeneration & Eclipse photo-bombing"

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28:10

Stay Young – If You’re a Worm

KGNU - How On Earth ·

2017/08/16

This week on How on Earth, Beth spoke with Dr Gordon Lithgow, a researcher at the Buck Institute for Aging in California who studies aging in nematode worms. Stress actually keeps us young by activating systems that repair and maintain cells. These stresses can be things like caloric restriction and exercise. Eventually the molecular bases … Continue reading "Stay Young – If You’re a Worm"

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26:49

Mortality Trends in America // Life Expectancy in...

KGNU - How On Earth ·

2017/08/14

This week on How on Earth we look at the scientific research into the lifespans of Americans. Mortality trends in America (start time 4:05): We speak with Andrea Tilstra, who co-authored a recent paper on mortality trends in America. Tilstra is a co-author of a recent study published in the International Journal of Epidemiology. Her team’s paper is titled … Continue reading "Mortality Trends in America // Life Expectancy in America"

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27:53

Chasing Shadows – Stellar Occultations and the Outer...

KGNU - How On Earth ·

2017/08/01

Chasing Shadows [starts at 9:40] Astronomy is a science that depends on watching things happen in the universe that we don’t have control over: supernovae, formation of stars, orbits of planets, and the spectacle of solar eclipses. You can’t grab a distant galaxy and bring it into the lab for experiments, so astronomers have to … Continue reading "Chasing Shadows – Stellar Occultations and the Outer Solar System"

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27:39

Space Shield for Satellites // Virtual Colonoscopy

KGNU - How On Earth ·

2017/07/25

Space Shield for Satellites (starts 1:00) An invisible radio wave pollution makes a “space shield” that protects orbiting satellites from Van Allen Belt radiation. Dan Baker, head of CU-Boulder’s Laboratory for Atmospheric and Space Physics (LASP) explains how his team figured out the man-made source of the mysterious space shield. Virtual Colonoscopy Option Improves Cancer Screening Rates (starts 6:32) Colon cancer kills 50,000 Americans … Continue reading "Space Shield for Satellites //

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27:30

The Alien Hunter & SETI

KGNU - How On Earth ·

2017/07/18

Today’s show offers the following feature: Extraterrestrial intelligence? (start time: 6:30): It’s mid-summer, a time when many of us like to spend leisurely time outside at night, gazing at the stars and planets, and asking the big existential questions, such as, Are we alone? Is there intelligent life waaay out there? Our guest today, science … Continue reading "The Alien Hunter & SETI"

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27:05

Is Your Oral Microbiome Affected by Your Genes?

KGNU - How On Earth ·

2017/07/14

On the first day of the summer pledge drive, Beth interviews Dr Brittany Demmitt, a behavioral molecular geneticist. Her recent study used a powerful genetic tool, identical twins, to show that the micro biome in the mouth is influenced by both genes and environment. Hosts:Beth Bennett, Chip Grantis, Joel Parker Producer:Beth Bennett Engineer:Joel Parker Additional … Continue reading "Is Your Oral Microbiome Affected by Your Genes?"

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27:38

The American Eclipse of 1878

KGNU - How On Earth ·

2017/06/27

This August 21st, some parts of the Earth will be plunged into darkness in the middle of the day. It will be a solar eclipse; the moon’s shadow will cross the United States from Oregon to South Carolina, with the path closest to Colorado passing through Wyoming and Nebraska. There have been many eclipses across … Continue reading "The American Eclipse of 1878"

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27:40

Chronic Fatigue Syndrome // Renewables

KGNU - How On Earth ·

2017/06/21

We offer two feature interviews on today’s show. Chronic Fatigue Syndrome (start time: 11:49) Imagine spending years waking up so sore and fatigued many mornings that you can barely move. And traversing the country to find doctors who could offer a clear diagnosis, only to find out they don’t really know. And feeling your friendships … Continue reading "Chronic Fatigue Syndrome // Renewables"

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23:48

Protecting Pollinators // Testing Drinking Water

KGNU - How On Earth ·

2017/06/13

We offer two features on today’s show: Protecting Pollinators (start time: 0:58): Hills, prairies and gardens are neon green and in full bloom. A pollinator’s paradise, at least it should be. Birds, bees, butterflies, beetles and other pollinators rely on the nectar from flowering plants. We humans rely on them; roughly one out of every … Continue reading "Protecting Pollinators // Testing Drinking Water"

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27:22

2017 Graduation Special (part 2)

KGNU - How On Earth ·

2017/06/06

With graduation season is upon us, or in many cases in the rearview mirror, today’s edition of How on Earth is the second of a two-part “Graduation Special”. Our guests in the studio today are scientists who recently graduated with – or soon will receive – their Ph.D. They talk about their thesis research, their grad school … Continue reading "2017 Graduation Special (part 2)"

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27:41

2017 Graduation Special (part 1)

KGNU - How On Earth ·

2017/05/30

With graduation season is upon us, or in many cases in the rearview mirror, today’s edition of How on Earth is the first of a two-part “Graduation Special”. Our guests in the studio today are scientists who recently graduated with – or soon will receive – their Ph.D. They talk about their thesis research, their grad … Continue reading "2017 Graduation Special (part 1)"

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26:23

Treating Cancer Metabolically

KGNU - How On Earth ·

2017/05/24

In their upcoming book, A Metabolic Approach to Cancer, authors Dr Nasha Winters and Jess Kelley, describe new developments in individualized therapies for cancer, based on nutrition and personalized genetic analysis. Almost 100 years ago it was found that cancer cells rely almost exclusively on burning glucose for their growth. In the last 10 years, … Continue reading "Treating Cancer Metabolically"

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27:36

Gold Lab Symposium // Marc Bekoff Animals Agenda

KGNU - How On Earth ·

2017/05/16

Gold Lab Symposium (starts 1:00) Scientist and Entrepreneur Larry Gold shares what to expect in science and health at the annual Gold Lab Symposium, taking place this weekend at CU Boulder. This year’s theme is “From Lab to Living Room.” Go to the Gold Lab Symposium website to register for the conference and to hear … Continue reading "Gold Lab Symposium // Marc Bekoff Animals Agenda"

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