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KGNU – How On Earth — Natural Sciences
KGNU – How On Earth

The KGNU Science Show

Latest Episodes:

Photo credit: Conserve Energy Future — Plastic Pollution in Ocean Feb 13, 2018
Show notes

Photo credit: Conserve Energy Future

In today’s show we offer two related features:
Plastic Pollution in the Arctic, Green Chemistry (start time: 7:48) Try to wrap your brain around this statistic: by mid-century the mass of plastic in the oceans will weigh more than the total mass of fish if we continue with ‘business as usual,’ according to the World Economic Forum. Plastic debris, ranging from plastic water bottles to fish nets to invisible fragments, is choking seabirds and mammals all the way up to the Arctic, and quite possibly harming human health. How On Earth host Susan Moran recently attended the Arctic Frontiers conference in Tromso, Norway, where she interviewed one of the speakers, Jenna Jambeck, an environmental engineer at the University of Georgia. Dr. Jambeck directs the Center for Circular Materials Management, where researchers are designing materials and processes that both reduce waste and, like nature itself, reuse waste.

Photo credit: Chris Jordan

Grassroots Efforts Curb Plastic Pollution (start time: 20:24) In case you’re wondering what’s land-locked Colorado and your daily life got to do with plastic pollution in the ocean, our guest, Vicki Nichols Goldstein, founder and executive director of the Inland Ocean Coalition, discusses regional and national campaigns to curb plastic waste. The Suck the Straws Out campaign is one of many. You can get involved, starting with attending the Colorado Ocean Coalition‘s Blue Drinks happy hour on Feb. 15 in Boulder.

Hosts: Chip Grandits, Susan Moran
Producer: Susan Moran
Engineers: Maeve Conran, Chip Grandits, Evan Perkins
Executive Producer: Susan Moran

Listen to the show here:

Photo credit: Chris Jordan — Plastic Pollution in Ocean Feb 13, 2018
Show notes

Photo credit: Conserve Energy Future

In today’s show we offer two related features:
Plastic Pollution in the Arctic, Green Chemistry (start time: 7:48) Try to wrap your brain around this statistic: by mid-century the mass of plastic in the oceans will weigh more than the total mass of fish if we continue with ‘business as usual,’ according to the World Economic Forum. Plastic debris, ranging from plastic water bottles to fish nets to invisible fragments, is choking seabirds and mammals all the way up to the Arctic, and quite possibly harming human health. How On Earth host Susan Moran recently attended the Arctic Frontiers conference in Tromso, Norway, where she interviewed one of the speakers, Jenna Jambeck, an environmental engineer at the University of Georgia. Dr. Jambeck directs the Center for Circular Materials Management, where researchers are designing materials and processes that both reduce waste and, like nature itself, reuse waste.

Photo credit: Chris Jordan

Grassroots Efforts Curb Plastic Pollution (start time: 20:24) In case you’re wondering what’s land-locked Colorado and your daily life got to do with plastic pollution in the ocean, our guest, Vicki Nichols Goldstein, founder and executive director of the Inland Ocean Coalition, discusses regional and national campaigns to curb plastic waste. The Suck the Straws Out campaign is one of many. You can get involved, starting with attending the Colorado Ocean Coalition‘s Blue Drinks happy hour on Feb. 15 in Boulder.

Hosts: Chip Grandits, Susan Moran
Producer: Susan Moran
Engineers: Maeve Conran, Chip Grandits, Evan Perkins
Executive Producer: Susan Moran

Listen to the show here:

The Longevity Diet by Dr Valter Longo — The Longevity Diet Feb 03, 2018
Show notes

The Longevity Diet by Dr Valter Longo

This week on How on Earth, Beth interviews Dr Valter Longo, director of the USC Longevity Institute. Dr Longo has researched the fundamental mechanisms of aging in yeast, mice and humans using genetics and biochemistry techniques. He is also interested in identifying the molecular pathways conserved from simple organisms to humans that can be modulated to protect against multiple stresses and treat or prevent cancer, Alzheimer’s Disease and other diseases of aging. In his new book, The Longevity Diet, he describes his research and how to apply it in your life, for health and longevity.

Hosts: Beth Bennett, Joel Parker
Producer: Beth Bennett
Engineer: Joel Parker
Executive Producer: Susan Moran

Listen to the show:

24991528_1121359964633876_8235555632401660665_n — Science on Tap Jan 23, 2018
Show notes

Boulder, Colorado has a rich culture of science, as the home for serveral prestigious national laboratories, a thriving technology industry, the flagship campus of the University of Colorado and various joint ventures between them. As a science enthusiast, where might you go to find a community of like minded people? Must you work in a lab? Teach at a university? Enroll as a student? Well now Boulder has Science On Tap, a monthly opportunity for science enthusiasts and beer lovers to come together and discover the latest and greatest research in science and technology that is happening along the Front Range. With us in the studio is Chelsea Thompson who was instrumental in bringing Science On Tap to Boulder.

Hosts: Chip Grandits, Joel Parker
Producer: Chip Grandits
Engineer: Joel Parker
Executive Producer: Susan Moran

Listen to the show:

Roger the Fragrance Free Barber (photo c Shelley Schlender) — Fragrance Free – Roger the Barber // Shelly Miller Jan 16, 2018
Show notes

Roger the Barber (c Shelley Schlender)

Roger the Fragrance Free Barber (Starts 3:25) Artificial fragrances in shampoos, colognes, lotions. deodorant, laundry detergent and more nearly led Roger the Barber, to give up his profession, due to his chemical sensitivities. Then he opened his own, fragrance free, shop. He caters to clients who prefer a fragrance free environment . . . and educates people about what fragrance free means.

CU Professor Shelly Miller (c Shelley Schlender)

Shelly Miller – Clean Indoor Air – (Starts 10:35) CU Boulder Professor Shelly Miller warns that ingredients in common consumer products sometimes add hazardous chemicals to indoor air. Miller discusses CU Boulder’s Fragrant Free Initiative and the six classes of chemicals that can be hazardous, whether they’re fragrant or odorless, including fire retardants in clothes and furniture.

Host/Producer: Shelley Schlender
Engineer:Maeve Conran
Additional Contributions: Beth Bennett
Executive Producer: Susan Moran

Listen to the show:

CU Professor Shelly Miller (cc Shelley Schlender) — Fragrance Free – Roger the Barber // Shelly Miller Jan 16, 2018
Show notes

Roger the Barber (c Shelley Schlender)

Roger the Fragrance Free Barber (Starts 3:25) Artificial fragrances in shampoos, colognes, lotions. deodorant, laundry detergent and more nearly led Roger the Barber, to give up his profession, due to his chemical sensitivities. Then he opened his own, fragrance free, shop. He caters to clients who prefer a fragrance free environment . . . and educates people about what fragrance free means.

CU Professor Shelly Miller (c Shelley Schlender)

Shelly Miller – Clean Indoor Air – (Starts 10:35) CU Boulder Professor Shelly Miller warns that ingredients in common consumer products sometimes add hazardous chemicals to indoor air. Miller discusses CU Boulder’s Fragrant Free Initiative and the six classes of chemicals that can be hazardous, whether they’re fragrant or odorless, including fire retardants in clothes and furniture.

Host/Producer: Shelley Schlender
Engineer:Maeve Conran
Additional Contributions: Beth Bennett
Executive Producer: Susan Moran

Listen to the show:

Pete Brown, author — Miracle Brew – The Amazing Science (and Art) of Brewing Beer Jan 12, 2018
Show notes

Pete Brown, author

This week on How on Earth, Beth interviews Pete Brown, author of Miracle Brew, the story of how beer is made of 4 seemingly simple components, but really from an amazing complexity of science and art. The New York Times recently reviewed Miracle Brew. Here’s what they said: A magisterial tour of fearsome science and vast brewery history leavened with cheery anecdotes, humor, vivid you-are-there prose and a clever eye for personality . . . His rhapsodies about the meaning of life and the meaning of beer are stirring. . . .His expertise and insight will leave you with a glimmer of infinity every time you hold a bottle of it in your hand.

Hosts: Beth Bennett, Susan Moran
Producer: Beth Bennett
Engineer: Maeve Conran
Additional Contributions: Susan Moran
Executive Producer: Susan Moran

Listen to the show:

2017 — 2017 Look Back – 2018 Look Forward Jan 06, 2018
Show notes

For this end-of-the-year/start-of-the-year How on Earth show, we look back to 2017 with clips from some of our features from the past year: selections about tracking methane leaks, ketogenic diets, using MDMA to treat PTSD, gravitational waves, the solar eclipse, space missions, and the politicization of science. Those are just a few of the topics we covered in 2017, which also included: the continuation of the Our Microbes, Ourselves series, global warming and climate change, research about aging, mutant proteins, how humans have altered nature, future technologies, nuclear tests and the Van Allen belts, biofuels, extinctions following an asteroid impact, monorails, life expectancy in America, observing stellar occultations by objects in the distant solar system, space shields for satellites, virtual colonoscopies, the Search for Extraterrestrial Intelligence (SETI), chronic fatigue syndrome, protecting pollinators, testing our drinking water, cancer, the Long Now foundation, citizen science, fracking, and more!

Hosts: Joel Parker, Susan Moran
Producer, Engineer: Joel Parker
Additional Contributions: Beth Bennett, Shelley Schlender
Executive Producer: Susan Moran

Listen to the show:

KetoForCancer — Keto for Cancer, part 2 Dec 20, 2017
Show notes

This week on How on Earth, Beth finishes the interview with Miriam Kalamian, author of Keto for Cancer. This encyclopedic volume lays out the groundwork for using a ketogenic diet to treat cancer. But, as the author points out, the diet, which starves cancer cells, should be used in conjunction with other therapies. To see the book, go to https://www.chelseagreen.com/keto-for-cancer; to see Miriam’s website go to https://www.dietarytherapies.com/

Hosts: Beth Bennett & Chip Grandits
Producer: Beth Bennett
Engineer: Chip Grandits
Additional contributions: Joel Parker
Executive Producer: Beth Bennett

Listen to the show:

Toby Hammer says initially, he, too, was surprised about the missing microbes. — Healthy . . . But Missing Gut Microbes Dec 13, 2017
Show notes

Toby Hammer says initially, he was surprised about the missing microbes.

Healthy . . . But Missing Gut Microbes (Starts 3:25) Practically everyone on the planet now knows that animals have microbes in their guts. This is a new field of exploration, and top researchers emphasize that we need to learn much more before making any blanket statements about the total effect of the gut microbiome. Nevertheless, it’s become politically correct to advocate specific diets to eat, for the sake of healthy gut microbes, and to assume that all animals “need” gut microbes. That’s one reason the research from CU-Boulder evolutionary biologist Toby Hammer is so fascinating. Hammer has discovered a number of animals that probably don’t need microbes in their guts – ranging from some insects to some animals as large as, well, a panda bear. It all began with Hammer’s research into caterpillars . . .

Host: Chip Grandits
Producer: Shelley Schlender
Engineer: Chip Grandits
Executive Producer: Beth Bennett

KetoForCancer — Ketogenic Diet for Treatment of Cancer//BBC Science in Action Dec 06, 2017
Show notes

This week on How on Earth, we started speaking with Miriam Kalamian, author of the newly released Keto for Cancer. The interview starts at 11′ 30″, but unfortunately we lost the connection after only 5 minutes. You can link to her book at http://www.chelseagreen.com/keto-for-cancer and we will have her back to hear the full story! For the remainder of the show we linked to the BBC Science in Action segment on building proteins from novel DNA sequences.

Hosts: Beth Bennett and Chip Grandis
Producer: Beth Bennett
Engineer: Maeve Conran
Executive Producer: Beth Bennett

Listen to the show:

the-unnatural-world-9781476743905_lg — The Unnatural World Nov 21, 2017
Show notes

The Unnatural World (start time: 6:58): It’s an audacious topic for a book: the planet, and audacious individuals who are working to save — actually, to remake — human civilization and our home on Earth. David Biello is the science curator at TED and a contributing editor at Scientific American. His debut book, The Unnatural World: The Race to Remake Civilization in Earth’s Newest Age (Scribner), will be out in paperback next month. It explores how we have altered “nature” in so many ways, from burning fossil fuels and warming the oceans and atmosphere, to tearing down tropical rain forests, to killing off so many species. In this newest epoch, dubbed by many the Anthropocene, humans are not just messing things up; they are also inventing solutions, as Biello notes. Daring optimists in his book include Elon Musk and his Tesla electric cars and trucks.

Hosts: Chip Grantis, Susan Moran
Producer: Susan Moran
Engineer: Chip Grantis
Executive Producer: Beth Bennett
Additional Contributions: Joel Parker

Listen here to the show:

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