KGNU - How On Earth

Space Mining [starts at 9:20] Stars have been called “diamonds in the sky,” but there are other valuable and more accessible resources up there.  Asteroids might be the next gold rush, though for resources other than gold, if there are ways to actually get there and mine them.  Can we do that? And, even if we can, does … Continue reading "Space Mining"

Stem cell science v. hype (start time: 00:57) Clinics offering stem cell therapies and other forms of so-called regenerative medicine are cropping up in many states, including Colorado. Practitioners of stem cells, are touting them as repairing damaged cartilage, tendons and joints, and even treating diseases such as Parkinson’s and Alzheimer’s. While the science looks … Continue reading "Stem Cel...

This week Beth and Angele talk with David Owen about his book, Volume Control, in which he explores the surprising science of hearing and the remarkable technologies that can help us hear better. In the book, he argues that failing to take care of our hearing comes with a huge social cost. He demystifies the … Continue reading "The Science of Hearing and Hearing Aids"

This week, Beth and Angele speak with with Brenda Ekwurzel in the studio. Brenda is the director of climate science for the Union of Concerned Scientists. She was in Boulder for a panel on Air Quality and Climate Change. She spoke about some Colorado issues e.g. wildfire and drought, and assigning responsibility for specific events … Continue reading "Who Pays for Climate Change?"

This week on How on Earth, we speak with Dr John Newman, geriatrician and geoscientist at the Buck Institute. He describes his recent research in mice, showing that both memory and muscle improve in animals eating a high fat diet. To see more details on these experiments, you can visit the lab website. To register … Continue reading "Ketogenic Diet and Muscle and Memory"

Today’s show features the following interviews, by How On Earth’s Susan Moran and guest host Ted Wood. Audubon’s Climate Watch (start time: 4:03) Starting on Jan. 14, the Audubon Society will launch a month-long citizen science program to better understand how birds are responding to climate change. This comes at a time when, according to a 2019 … Continue reading "Climate Watch // Extreme Conserv...

This week on How on Earth, Angele and Beth distill some of the top science news of the past year and decade, ranging from the first image of a black hole, as seen here, to DNA sequencing of ancient genomes, some new hominid ancestors, advances in AI, and more! Hosts: Beth Bennett & Angele Sjong … Continue reading "Top Stories of the Decade"

COP25 Postmortem (start time: 3:35) Earlier this month many nation’s leaders, as well as scientists, environmental activists, companies and others gathered in Madrid for a two-week United Nations climate summit. The conference, called COP25, is rooted in the 2015 Paris Agreement, which is a blend of pledges from about 200 nations to dramatically slash their planet-warming emissions. Next year’s …...

Four years ago Beth interviewed Professor Marie Banich, a neuroscience researcher at the University of Colorado here in Boulder. She had just received a major grant from NIH to characterize how brain regions involved in decision making and judgment change as children grow up. In the past four years she has assembled a multi-site team … Continue reading "Cognitive Brain Development in Adolescents,...

Voyager Passes Through the Heliopause   (Starts 1:00) LASP scientist Fran Bagenol explains how the over 40 year old Voyager Mission, that launched in the 1970s is still providing incredible surprises, including passing through the border between the solar system and “outer space.”  As part of making that journey, the Voyager spacecraft have passed through cosmic plasma that … Continue reading "Voy...

COP25 & Climate Change (start time: 1:07): Next month (Dec. 2-13), the United Nations global climate change summit, known as COP25, will take place in Madrid. Many scientists, environmental nonprofits, students, activists will also attend side events related to the UN sustainable development goals (SDG). The goal of COP over the years has been to … Continue reading "COP25 Global Climate Summit"

BUZZ:  Inside the Minds of Thrill-Seekers, Daredevils and Adrenaline Junkies.    We speak with clinical psychologist and author, Ken Carter about his new book BUZZ, and high-sensation seekers who can’t get enough “new” and love to seek out more.  Carter is a consultant for the Denver Science Museum’s Extreme Sports exhibit, running through spring 2020.  He speaks at the Boulder Bookstore … Continu...

How To [starts at 4:30] Our guest for this episode is Randall Munroe, perhaps best known for his comic xkcd, and author of the books “What If” and “Thing Explainer”.  Randall has figured out how to do many things, so he wrote a new book appropriately called “How To”, which promises to provide absurd scientific advice for common real … Continue reading "Randall Munroe Explains “How To”"

Almost Human – The Story of Julius, the Chimpanzee Caught Between Two Worlds (Extended Version) by Alfred Fidjestøl.  This is the full version of the interview.

Almost Human:  The Story of Julius, the Chimpanzee Caught Between Two Worlds.  In this fall pledge drive show, we feature  Alfred Fidjestøl‘s new biography about one of Europe’s most famous chimpanzees.   (We’ll broadcast the full interview with Alfred Fijestol at a later date.) Hosts: Shelley Schlender & Chip Grandits Producer/Engineer:  Shelley Schlender Executive Producer: Joel Parker

We talk with University of Colorado Scholar in Residence Jorge Perez-Gallego about many non-traditional paths one might take after getting a science Ph. D. as well as CU’s Grand Challenge and the fascinating intersection of science and art through the Nature, Environment, Science & Technology (NEST) Studio for the Arts. Host, Producer, Engineer: Joel Parker Additional Contributions: Shelley Schlen...

Beth interviews neuroscientist and addiction researcher Scott Swartzwelder who talks about his research on reversing alcohol-induced brain damage in young rats. In past work, Professor Swartzwelder and colleagues have identified specific areas of the brain damaged by drinking, especially in adolescent rats. In this interview, he describes, how this damage occurs, and amazingly, how treatment … Con...

Amazon Burning – (starts 3:15) CU Boulder Earth Lab Director Jennifer Balch explains how the burning of the tropical rain forests may destroy them, and ways to protect the forests and sustainable development Hosts: Shelley Schlender, Susan Moran Producer/Engineer: Shelley Schlender Executive Producer: Beth Bennett

Tackling ozone pollution in Colorado (starts at 3:55): Cooler fall weather might soon bring back the bluebird skies we all love. But last year ozone levels in the Denver metropolitan area were high enough to prompt state health officials to issue ozone action alerts an average of once a week. (This summer has fared somewhat better.) During … Continue reading "Tackling Ozone Pollution"

On this week’s show Beth speaks with Vicki Vargas-Madrid, Program Administrator for the Denver Lights Out Program. This program is part of the Denver Sustainability Office, which seeks to conserve energy and promote sustainable lifestyles. They discuss the program’s efforts to reduce bird mortality following collisions with windows by reducing night time illumination. To learn … Continue reading "...

Creative (Climate) Communications [starts at 7:40] As a climate scientist Professor Max Boykoff is part of a community that has been persistently making the case that global warming is a serious problem, with severe and widespread consequences and that human activity is contributing to the problem and significant changes in human behavior is instrumental to addressing … Continue reading "Creative...

Edible Bugs (Entire Program) When it comes to an animal that has high quality proteins and fats, plus a very small environmental footprint, there’s more bang to the bug.  We talk about, and taste, edible bugs with Wendy Lu McGill, founder of Rocky Mountain Micro Ranch, and Amy Franklin, Founder of Farms for Orphans that teaches orphanages in … Continue reading "Edible Bugs"

GLEE (starts at 8:06) We just recently celebrated the 50th anniversary of the first Moon landing.  After the Apollo missions, scientists have returned to the Moon with robotic missions because of the scientific clues the Moon can provide about the history of the Earth and the solar system, as well as learning more about the lunar … Continue reading "Great Lunar Expedition for Everyone"

In this episode, Beth speaks with Dr Marc Bubbs, author of Peak: The New Science of Athletic Performance, his book exploring the fundamentals of high performance. He offers science-based strategies on nutrition, training, sleep, recovery, and stress management to optimize performance for all levels of athletes and trainers. You can read more about the book … Continue reading "Marc Bubbs & The New...

  Slime:  How Algae Created Us, Plague Us, and Just Might Save Us.  (Starts 00:00) We speak with science writer Ruth Kassinger about her acclaimed new book, which  Kirkus Review describes as “accessible and enthralling.”   Nature Science reports that Kassinger’s book, “ is a real pleasure. ” Publisher’s Weekly writes, “ Kassinger turns an obscure subject into delightful … Continue reading "Slime:...