KGNU - How On Earth

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 Rock...

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"

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 Cli...

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...

“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"

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 V...

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"

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 D...

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."

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)"

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.

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...

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 // Rose...

(4:00) Kendra talks with local organizers about the upcoming Front Range Bioneers conference             (11:20) Shelley talks with Tim Schoechle about his new position paper for the National Law and Policy Institute, Green Electricity or Green Money? Hosts: Shelley Schlender, Kendra Krueger Producer: Shelley Schlender Engineer: Shelley Schlender Executive Producers: Jane … Continue reading "Front...

Gulp [starts at 4:25] Bestselling author, Mary Roach has been billed as American’s funniest science writer.  In “Gulp: Adventures on the Alimentary Canal” she takes readers on a journey through the alimentary canal, extolling the marvels of spit on the beginning end, then moving on to the man who had a hole in his stomach that allowed … Continue reading "Gulp"

Do Fathers Matter? (start time: 3:07) If you’re a father or a son or daughter – which pretty much covers everyone – this interview should hit home.  Science journalist Paul Raeburn’s latest book — “Do Fathers Matter? What Science Is Telling Us About the Parent We’ve Overlooked” – explores  what seems like a no-brainer question. … Continue reading "Do Fathers Matter Pt. 2 // Mercury in Water"

Do Fathers Matter? (start times: 9:55 and 20:58) Today’s How on Earth show is part of the KGNU fall membership pledge drive. During this show we preview an upcoming feature of the book: “Do Fathers Matter? What Science Is Telling Us About the Parent We’ve Overlooked” by science journalist Paul Raeburn.  It may seem obvious that fathers … Continue reading "Do Fathers Matter?"

Vincent Horn and Buddhist Geeks (starts at 4:42): On October 16th the Buddhist Geek Conference comes to boulder.  Founder Vincent Horn speaks to us about how mindfulness, compassion and contemplative practice can be integrated into the technical world. http://www.buddhistgeeks.com/conference/ Future Earth (starts at 12:58): On our second feature, CSU Professor Dennis Ojima talks to Susan Moran … C...

Living Planet Report (starts at 5:50): The environmental organization World Wildlife Fund just released its science-based biennial Living Planet Report.  It doesn’t paint a rosy picture overall; WWF shows that, for instance, wildlife populations across the globe are roughly half the size they were 40 years ago.  And although rich countries show a 10 percent increase … Continue reading "Living Plan...

Facts and Faith (starts at 4:30): Two weeks ago Dr. Katharine Hayhoe, a professor of atmospheric science at Texas tech came to town to speak at Chautauqua.  As a scientist and a Christian, she advocates for illuminating the urgency and reality of climate change to conservative and religious audiences.  We had the opportunity to sit down … Continue reading "Facts and Faith: A Conversation with Kath...

Testing the Water (Start time 3:30) What exactly is in our water—the stuff we drink, shower in and use to wash our vegetables? This is a question lots of Coloradans have started to ask in the last few years as oil and gas operations have ramped up in the state. Several communities have become very … Continue reading "Testing the Water"

The Meaning of Wilderness (starts 4:30): Fifty years ago last week, President Lyndon Johnson signed into law the Wilderness Act. It was then, and remains today, one of the most significant pieces of environmental legislation. It has protected millions of acres of land. And it established a legal definition of wilderness: “an area where the earth … Continue reading "The Meaning of Wilderness // The...

Recent headlines  warn that Coronal Mass Ejections, better known as Solar Flares, could trigger a high-tech Armageddon, disabling power and communication on a global scale, for months.  Today we talk with Boulder scientists Dan Baker, Laboratory for Atmospheric and Space Physics, and Doug Biesecker,  National Space Weather Prediction Center, about the risks from Solar Flares, what to worry … Conti...

Sustainable Seafood: (start time 5:10) This is the fourth feature interview in The Ocean Is Us series, which explores how we in land-locked states are connected to the oceans and what’s at stake.  Today we discuss sustainable seafood, which to some critics is an oxymoron, given that some 90% of large fish already have been … Continue reading "The Ocean is Us #4: Sustainable Seafood"

Marine Sanctuaries (starts at 5:18) This is the third feature interview In the Ocean Is Us series, which explores how we in land-locked Colorado are connected to the oceans, why they matter so much to us all, and what’s at stake.  Today we discuss marine sanctuaries: the conservation science behind establishing them, and their ecological … Continue reading "The Ocean Is Us #3 : Marine Sanctuaries"