Kgnu - How On Earth

Recycling: Obstacles and Progress (start time: 4:35): This week’s How On Earth focuses on the state of recycling and composting in Colorado and well beyond. A newly published report by Eco-Cycle and CoPIRG shows that Colorado ranks well below the national average, and below its own goals, on recycling and composting. But the report also … Continue reading "Recycling: Obstacles and Progress"

Today on How on Earth, Beth talks with Dr Siddhartha Mukherjee. His first book, The Emperor of All Maladies, won the Pulitzer Prize in 2011. His new book, The Song of the Cell, explores our radical new ability to manipulate cells. Mukherjee tells the story of how scientists discovered cells, began to understand them, and … Continue reading "Song of the Cell: Siddhartha Mukherjee’s New Book"

Clean Water Act, Then and Now (start time: 3:38): Two weeks ago was the 50th anniversary of the Clean Water Act.  The landmark law set out to clean up the nation’s lakes, rivers and streams, and to safeguard the water supply for humans throughout the country. While there’s been some progress since the act was … Continue reading "Clean Water Act 50 years later"

Starting this week, the FDA has approved the sale of over-the-counter hearing aids.  In light of that, in today’s edition of How on Earth, we play an Encore Feature from February 2020 of an interview we did with David Owen about his book, Volume Control, in which he explores the surprising science of hearing and the … Continue reading "Hearing & Hearing Aids"

We talk with author Kristin Ohlson about her recent book: “Sweet in Tooth and Claw”.  In it, Ohlson examines cooperative relationships found in the natural world and in human civilization. She says this view is missing from many of our cultural and scientific narratives because of a tendency to apply Darwin’s idea of survival of … Continue reading "Sweet in Tooth and Claw // Fund Drive Show"

Pollution Impacts on Gut Microbiome (starts at 1:00) The Environmental Protection Agency has downgraded the air quality in the Denver Metro and Northern Front Range area to “severe” nonattainment for ground level ozone.  Shannon Young talks with Dr. Tanya Alderete (University of Colorado Integrative Physiology Department) about a recent study showing how air pollution may also affect the … Continue reading "Pollution Impacts on Gut Microbiome // Folding Proteins"

Today’s show features: Employing Beavers (start time: 11:12):  Some consider them pests. Others praise them as saviors of the environment. Whatever your impression of these furry swimming rodents, beavers are gaining more proponents for their ability to make landscapes, and thus humans, more resilient to climate change. Through their dams and lodges, beavers raise water levels, … Continue reading "Beavers: Engineers for Our Planet"

On today’s show Beth talks to Prof Michael Breed about honeybees. Sure, there is a little on their decline which is concerning to all of us, but we focus on many remarkable aspects of their biology. If you want to go deeper, you can visit Mike’s website or the book he mentions in the interview. … Continue reading "The Amazing…Honeybee!"

Nature Wants Us to be Fat:  The Surprising Science Behind Why we Gain Weight and How We Can Prevent and Reverse it.  University of Colorado Medical School Professor Rick Johnson shares why he thinks eating lots of fructose sugars can trigger a Survival Switch that helps bears put on weight before they hibernate . . … Continue reading "Nature Wants Us to Be Fat – Rick Johnson MD"

This is an extended version of the interview with Rick Johnson, author of Nature Wants Us to Be Fat.   LISTEN HERE TRANSCRIPT BELOW: RICK JOHNSON [00:00:00] My name is Richard Johnson. I’m a professor of medicine here at the University of Colorado. SHELLEY [00:00:04] In fact, you direct the Department of Hypertension, or have … Continue reading "Nature Wants Us To Be Fat – Extended Version"

ON this week’s show, Beth talks with Carole Hooven about her new book: “T – The Story of Testosterone, the Hormone that Dominates and Divides Us”. She demonstrates that the hormone acts in concert with genes and culture to produce a vast variety of male and female behavior. And, crucially, the fact that many sex … Continue reading "Testosterone – Bane or Benefit?"

Colorado River Basin Crisis Pt. II (start time: 6:19): This week’s How On Earth show focuses on the implications and future prospects after the federal government in June ordered the seven Western states that rely on the river to come up with a plan to save trillions of gallons of water from the shrinking river) … Continue reading "Colorado River Basin Crisis: Pt. II"

In this week’s How on Earth, we look at 3 aspects of climate change: its role in disease incidence and transmission; some effects of the new climate change legislation; and how ‘micro-forests’ can mitigate temperature and water loss. The latter comes from an interview with author Hannah Lewis and her book Mini-Forest Revolution, in which … Continue reading "What’s New in Climate?"

DNA Superconductors (Starts 1:00) Scientists are harnessing DNA to make electronic components at the nano-scale. Western Rewilding Network (Starts 3:50) Researchers at Oregon State University are urging the U.S. to set aside 500,000 square kilometers for a Western Rewilding Network that would include wolves and beavers as part of ecosystem restoration.  Their research appears today … Continue reading "DNA Superconductors // Western Rewilding // What Your Food Ate"

Colorado Cafe Sci (starts 1:00)  happens monthly, in Denver. Alcohol and Alcoholism Recent News (starts 2:49) We look at recent science about alcohol consumption, including a study that indicates as little as 3 glasses of wine a week is associated with buildups of iron in the brain — a risk factor for brain disease, increased … Continue reading "Alcohol, Brain Damage & Genetics"

This week on How On Earth: Colorado River Basin Crisis (start time: 5:31–scroll down for arrow) The Colorado River is the life blood for about 40 million inhabitants. And it’s in dire straights. The river’s two reservoirs, Lake Mead and Lake Powell, are at historically low levels, due primarily to climate change and overuse. The water-supply crisis is … Continue reading "Colorado River Basin Crisis"

We continue our look at the new Expose, Salmon Wars, the Dark Underbelly of our Favorite Fish, by checking out an alternative – LAND-Based Farmed Salmon. Chef Sheila Lucero –  (starts 2:25) We TASTE land-based salmon, with Coloraado’s award-winning, national expert on sustainable fish and member of Seafood Watch BlueRibbon Task Force,  Jax Fish House … Continue reading "Salmon Wars Part 2: Farm-Raised LAND Salmon"

Salmon Wars:  A Pulitzer Prize-winning correspondent and a former private investigator dive deep into the murky waters of the international salmon farming industry in this just-published expose.       HostProducer: Shelley Schlender Executive Producer: Beth Bennett

This week on How on Earth, Beth speaks with author and planetary geologist Dr. Simon Morden. In his book, The Red Planet, he presents a tantalizing vision of our nearest neighbour, its dramatic history, and astonishing present.   Executive Producer: Beth Bennett Show Producer: Beth Bennet Additional Contributions: Joel Parker & Shelley Schlender Listen to … Continue reading "All About Mars"

Birds and Dopamine (starts 1:00) If bird songs help a bird fall in love, does it get even better with a dose of dopamine?       Nature Wants us to be Fat (starts 13:56) CU-Medical School professor and researcher Richard Johnson discusses his latest book, Nature Wants Us to Be Fat. The Surprising Science … Continue reading "Birds and Dopamine//Nature Wants Us To Fat"