KGNU - How On Earth podcast

#Science #KGNU - How On Earth #Natural Sciences #Social Sciences #On Covid19

57:50

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KGNU - How On Earth

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The KGNU Science Show

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KGNU - How On Earth

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updated 4 дні тому

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The KGNU Science Show

716 епізодів

#Science #KGNU - How On Earth #Natural Sciences #Social Sciences #On Covid19

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KGNU - How On Earth

1
2025 Graduation Special (part 1) 28:49

4 дні тому28:49

28:49

With graduation season upon us, today’s edition of How on Earth is Part 1 of our annual “ Graduation Special ”. Our guests in the studio today are scientists and engineers who have or will soon receive their Masters or Ph.D. from the University of Colorado in a STEM-related field. They talk about their thesis research, their grad school experiences, and what they have planned next. Renee Spear – Aerospace Engineering Topic: Collision-Free Spacecraft Trajectory Design in Multi-Body Systems Gautam Kavuri – Physics Topic: Wringing the Bell: Implementations of Cryptographic Protocols Based on Bell Non-locality Dhyey Bhavsar – Aerospace Engineering Topic: Shape Diameter Computation on Surface Meshes and A Review of Shape Regularization Methods in Level-Set Topology Optimization You can listen to all past year Graduation Special episodes . Host / Producer : Joel Parker Listen to the show:…

KGNU - How On Earth

1
Mutualism in Nature 27:04

11 днів тому27:04

27:04

Sweet in Tooth and Claw (start time: 0:59) Since the 1800s, science has been obsessed with the notion, stemming from Charles Darwin’s theory of evolution through natural selection, that only the “fittest” can survive and pass on their strong genes. As in, it’s a ruthless, violent world. And today, we humans find ourselves mired in a hyper-polarized society fixated on competition, disruption, and “If you win, I lose” thinking. A good time to take a look at a different way of living together–how a “kinder, gentler” approach also helps species evolve. In this week’s show, Susan Moran interviews journalist/author Kristin Ohlson , whose most recent book, Sweet in Tooth and Claw: Stories of Generosity and Cooperation in the Natural World , was recently released in paperback by Patagonia Works. Host/Producer : Susan Moran Engineer : Jackie Sedley Executive Producer : Joel Parker Listen to the show here:…

KGNU - How On Earth

1
De-funding NIST’s Atomic Spectroscopy Group 26:57

18 днів тому26:57

26:57

Alexander Kramida – NIST Atomic Spectroscopy Group – phote from NIST Federal cutbacks have led the National Institute of Standards and Technology to shut down a long-running, highly prized information center used by scientists around the world, for projects ranging from searching for exoplanets, to making better microchips, to detecting atomic missiles. Atomic Spectroscopy Database Manager Alexander Kramida explains the purpose of the Atomic Spectroscopy Group , the impact of losing it, and what’s next, now that federal budget cuts mean NIST is shutting it down. For a Transcript, go here . Host & Show Producer : Shelley Schlender Additional Contributions : Joel Parker Executive Producer : Joel Parker…

KGNU - How On Earth

1
The Lucy Mission 26:58

25 днів тому26:58

26:58

image credit: NASA Our guest today is Dr. Simone Marchi, Institute Scientist in the Solar System Science & Exploration Division at the Boulder office of Southwest Research Institute . Dr. Marchi is the Deputy Principal Investigator for NASA’s Lucy mission . Lucy will be the first space mission to explore a population of small bodies known as the Trojan asteroids , which orbit out at the distance of Jupiter. Lucy has two “practice” flybys of main belt asteroids: Dinkinesh in November 2023, and Donaldjohanson coming up in just a few days on April 20, 2025. Producer and Host : Joel Parker Listen to the show:…

KGNU - How On Earth

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Poisoning the Well: How Forever Chemicals Contaminated America. 26:58

5 weeks тому26:58

26:58

Poisoning the Well (starts 2:00) Boulder science writer Sharon Udasin discusses her new book, Poisoning the Well: How Forever Chemicals Contaminated America. The book chronicles how these chemicals have ended up in our soil , drinking water, our bloodstreams . . . including in Colorado. She also explains what we can do about these sometimes useful, but far too often, health-endangering chemicals. Sharon will speak April 8th at the Boulder Bookstore. Other events discussed in this show are the CU-Boulder Conference on World Affairs and the Dinosaur Ridge Raptorthon Special thanks to Simon Roberts and his youtube channel, Environmental Chemistry Explained , for the song, “Forever Chemicals.” Producer and Host : Shelley Schlender Executive Producer : Joel Parker Listen to the show:…

KGNU - How On Earth

1
April Foolish Science 27:00

6 weeks тому27:00

27:00

Today is April Fools’ day, when jokes and pranks are played, sometimes among friends and family, sometimes on a more public scale. But why is there such a day for culturally-accepted foolishness? To delve into the origins and history of April Fools’ Day, we talk with Dr. Angus Kress Gillespie , folklorist and professor of American studies at Rutgers University . (Image credit: Zurijeta | Shutterstock.com) You might find it shocking that scientists have a sense of humor , so we also talk with, Dr. Mike Lund from the NASA Exoplanet Science Institute at the Infrared Processing & Analysis Center / CalTech about the tradition among Astronomers to write and even review humorous research papers for April Fools’ day. These papers are often posted on the arXiv preprint server, and Dr. Lund, the author of several such papers, also is the editor of the Acta Prima Aprilia that shares some of those papers. Producer and Host : Joel Parker Additional contributions : Beth Bennett Executive Producer : Joel Parker Listen to the show here:…

KGNU - How On Earth

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NEPA, Wildlife, Lands Under Threat 25:38

7 weeks тому25:38

25:38

oil and gas rig Image courtesy of USGS NEPA rollbacks, environmental impacts (start time: 6:25) Amidst a flurry of moves by the Trump administration to roll back environmental regulations, last month a White House agency proposed a rule to rescind a landmark law meant to protect wildlife, their habitat, and human communities from unchecked development, and to ensure that the public has a say in projects ranging from oil and gas drilling to wind and solar farms. The rule, if it goes into effect, would mean that the White House Council on Environmental Quality would no longer enforce how the National Environmental Policy Act (NEPA) is carried out. As a result, many infrastructure projects would not be subject to environmental review. A public comment period regarding this proposed rule ends on Friday, March 27. (Click here to submit any comments.) How On Earth host Susan Moran interviews Jim McElfish , a senior advisor at the Environmental Law Institute , a nonpartisan, nonprofit center working to strengthening environmental protection by improving law and governance. Hosts : Susan Moran, Joel Parker Show Producer : Susan Moran Engineer : Joel Parker Headline contributors : Beth Bennett, Joel Parker Executive Producer : Beth Bennett Listen to the show here:…

KGNU - How On Earth

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Measles: To Vaccinate or Not? 27:25

8 weeks тому27:25

27:25

On this week’s show, Beth talks with Brianne Barker , Associate Professor of Biology and Director of Undergraduate Research at Drew University. Dr Barker studies innate immune responses – these are the initial, non-specific actions taken by the immune system – to fight off retroviruses such as HIV (the AIDS virus). We discuss the measles virus, how it gets into cells, travels through the body to cause its many symptoms, which can be long-lasting and even lethal , and its frightening ability to wipe out, or erase, much of the accumulated memory of the immune system to previous infections. For an even deeper dive into this dangerous virus, you can hear Dr Barker and other virologists go into greater detail here . Executive Producer: Beth Bennett Show Producer: Beth Bennett Additional Contributions: Susan Moran Engineer: Jackie Sedley Listen to the show:…

KGNU - How On Earth

1
This Ordinary Stardust: A Scientist’s Path from Grief to Wonder 25:46

9 weeks тому25:46

25:46

We speak with Environmental Scientist Alan Townsend about his new book, This Ordinary Stardust: A Scientist’s Path from Grief to Wonder . It chronicles what happened when his family received two unthinkable, catastrophic diagnoses: his 4-year-old daughter and his brilliant scientist wife developed unrelated, life-threatening forms of brain cancer. As he witnessed his young daughter fight during the courageous final months of her mother’s life, Townsend – a lifelong scientist – was indelibly altered. Executive Producer: Beth Bennett Show Producer: Shelley Schlender Hosts: Joel Parker and Shelley Schlender Engineer: Joel Parker Listen to the show:…

KGNU - How On Earth

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Train Wolves AND Humans to Coexist 27:17

10 weeks тому27:17

27:17

Source: patrice schoefolt / Pexels On today’s show, Beth speaks with two experts on animal behavior and training about the wolf reintroduction project in Colorado – wins and losses. Mary Angilly is an advocate for force-free, evidence-based training in dogs and other animals. For decades Marc Bekoff has researched animal behavior, cognitive ethology (the study of animal minds), behavioral ecology, and compassionate conservation, and he has written extensively on human-animal interactions and animal protection.They have collaborated on essays involving problems faced by both wolves and humans in reintroduction projects. In this episode, they discuss some interesting and innovative solutions. Executive Producer: Beth Bennett Show Producer: Beth Bennett Additional Contributions: Susan Moran Engineer: Jackie Sedley Listen to the Show:…

KGNU - How On Earth

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Tom Cech: The Catalyst 26:58

11 weeks тому26:58

26:58

Tom Cech’s New Book The Catalyst: RNA and the Quest to Unlock Life’s Deepest Secrets CU Boulder Nobel Prize-Winning Scientist Tom Cech says that RNA has long been the biochemical backup singer that slaves away in the shadows of the diva. In his new book, The Catalyst , Cech puts RNA in the spotlight, along with dazzling and determined scientists who’ve been helping us learn more about RNA. Show Host/Producer : Shelley Schlender Engineer : Jackie Sedley Executive Producer : Beth Bennett…

KGNU - How On Earth

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Tackling Landfill Methane Emissions 27:09

12 weeks тому27:09

27:09

Landfill photo credit: iStock Tackling CH4 emissions from landfills (start time: 5:59) Methane is an extremely potent greenhouse gas, and its emissions have been rising recently in the U.S. The largest source of methane emissions is oil and gas production, followed by livestock farming. The third largest source of methane emissions is landfills. Food scraps, yard debris, paper and cardboard products and other carbon-based detritus that pile up in landfills release methane and other chemicals as they decompose in the soil. As part of the state’s goal of slashing greenhouse gas emissions, the Colorado Department of Public Health and Environment is developing new, and stricter, rules that will require landfill operators to do more to monitor and capture methane emissions. KGNU host Susan Moran interviews Clay Clarke, director of the Climate Change Program at CDPHE ; and Madison Hall , an associate with the Rocky Mountain Institute ‘s US Program. For info on the Feb. 26 final public hearing on the methane rule, click here . Show Host/Producer : Susan Moran Engineer : Jackie Sedley Executive Producer : Beth Bennett Headline Contributors : Beth Bennett, Joel Parker Listen to the show here:…

KGNU - How On Earth

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How a Soil Bacterium Can Affect Mental and Physical Health 24:39

13 weeks тому24:39

24:39

On today’s show, Beth speaks with CU scientist Christopher Lowry. Dr. Lowry’s research program at CU Boulder focuses on understanding stress-related physiology and behavior with an emphasis on the microbiome-gut-brain axis. He describes his recent finding that exposure to a harmless soil bacterium protects mice from the weight gain and inflammation stemming from a diet much like the average American one, that is, high in fat and sugar. You can also hear about another CU Boulder group’s recent finding on the protective role that being in ‘greenspaces’ can provide. Executive Producer: Beth Bennett Show Producer: Beth Bennett Engineer: Jackie Sedley Listen to the show:…

KGNU - How On Earth

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Decarbonizing Cement Production 28:23

14 weeks тому28:23

28:23

Concrete mixer truck Tackling Cement’s Huge Carbon Footprint (start time: 0:58) It’s hard to imagine modern society without a key material that so many structures depend on– cement. Think of our houses, apartment and office buildings, hospitals, parking lots, bridges, and, increasingly, massive data centers of big-tech companies. But that societal glue of sorts comes with a big climate price tag. C ement production accounts for more than 7 percent of global greenhouse gas emissions . That’s way less than the amount from coal and oil & gas production, but roughly double the emissions from aviation. So, finding ways to reduce the carbon footprint of cement could go a long way toward curbing the momentum of climate change and its impacts. But some players in the industry, as well as in state and federal governments, are making strides to clean up the cement industry’s act . In this week’s How On Earth, host Susan Moran interviews Anish Tilak , a civil and environmental engineer who is a a manager of the Carbon-Free Buildings program at RMI (founded as Rocky Mountain Institute); and Cory Waltrip , a senior manager at the startup Sublime Systems , in Somerville, Mass. Host / Show Producer : Susan Moran Engineer : Jackie Sedley Executive Producer : Beth Bennett Listen to the show here:…

KGNU - How On Earth

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Gang Science – David Pyrooz 24:05

15 weeks тому24:05