KGNU - How On Earth

With graduation season is upon us, or in many cases in the rearview mirror, today’s edition of How on Earth is the second of a two-part “Graduation Special”. Our guests in the studio today are scientists who recently graduated with – or soon will receive – their Ph. D.  They talk about their thesis research, their grad school … Continue reading "2017 Graduation Special (part 2)"

With graduation season is upon us, or in many cases in the rearview mirror, today’s edition of How on Earth is the first of a two-part “Graduation Special”. Our guests in the studio today are scientists who recently graduated with – or soon will receive – their Ph. D.  They talk about their thesis research, their grad … Continue reading "2017 Graduation Special (part 1)"

In their upcoming book, A Metabolic Approach to Cancer, authors Dr Nasha Winters and Jess Kelley, describe new developments in individualized therapies for cancer, based on nutrition and personalized genetic analysis. Almost 100 years ago it was found that cancer cells rely almost exclusively on burning glucose for their growth. In the last 10 years, … Continue reading "Treating Cancer Metabolical...

Gold Lab Symposium (starts 1:00) Scientist and Entrepreneur Larry Gold shares what to expect in science and health at the annual Gold Lab Symposium, taking place this weekend at CU Boulder.  This year’s theme is “From Lab to Living Room.”  Go to the Gold Lab Symposium website to register for the conference and to hear … Continue reading "Gold Lab Symposium // Marc Bekoff Animals Agenda"

This week on How on Earth Beth interviews Travis Christofferson, author of Tripping over the Truth, in which he explores the history, and the human story that has led to the resurgence of Otto Warburg’s original metabolic theory first proposed in 1924. Despite incredible biomedical advances, the death rate today is the same as it … Continue reading "A New Theory of Cancer"

500 Women Scientists (starts 3:01) Ecologist Jane Zelikova explains how an acquaintance while at CU-Boulder led to an open letter she co-authored with Kelly Ramirez about science . . . and this ultimately launched an advocacy group.  Over 19,000 women scientists have joined 500 Women Scientists.  They have on line and also local community face-to-face discussions, and they plan to be part of … Con...

Today’s How on Earth show is a special edition in conjunction with the Conference on World Affairs panel entitled: “New Adventures in Astronomy”. Our guest is Gerrit Verschuur, a radio astronomer who has worked at Jodrell Bank radio observatory in the United Kingdom, National Radio Astronomy Observatory in West Virginia, and Arecibo Observatory in Puerto Rico. … Continue reading "New Adventures in...

The Long Now Foundation in Colorado (start time 5:02): People often measure “success” as fifteen minutes of fame, or a blockbuster financial quarter. This focus on short term results doesn’t always build the skills needed to solve long-term problems, such as reducing disease outbreaks or maintaining species diversity. So some visionaries have created a playfully serious way … Continue reading "Lon...

Drilling’s Health Impacts (start time: 7:50): A pressing question on the minds of many Colorado residents, health experts, and others amidst a surge of oil and gas activity is this: Does living near an oil and gas well harm your health? A scientist at the forefront of exploring such questions is Dr. Lisa McKenzie, a professor of … Continue reading "Health Impacts of Oil/Gas Drilling"

Your Baby’s Microbiome (start time 6:13): This week on How on Earth Beth Bennett interviews Toni Harmon, author of Your Baby’s Microbiome, a look into the role the maternal micro biome plays before and after birth. For a newborn, the biological defenses to diseases and the environment come from the mother. Harmon talks about how the … Continue reading "Your Baby’s Microbiome"

The Nature Fix.  (starts 1:50)  In this spring pledge drive show, we revisit the science show interview about the benefits of getting out in nature. The Case Against Sugar. (starts 9:40) Best-selling science writer Gary Taubes discusses his new book, which explains what happens when industry funds science . . . and controls the strings … Continue reading "Nature Fix 2 // Case Against Sugar"

Eclipse 2017 (start time 5:56): This summer America will experience its first total solar eclipse in almost 30 years. How on Earth’s Alejandro Soto speaks with Dr. Claire Raftery from the National Solar Observatory (NSO) about the upcoming eclipse. Dr. Raftery talks about the science and history of eclipses, the best ways to view the eclipse in … Continue reading "Eclipse 2017"

Today’s feature has How on Earth’s Beth Bennett talking with Dr. Mike Shanahan, a biologist who has a degree in rainforest ecology.  He has lived in a national park in Borneo, bred endangered penguins, and investigated illegal bear farms.  His writing has appeared in The Economist, Nature, and The Ecologist, and he also was the … Continue reading "Of Wasps and Figs"

Your Brain on Nature (start time: 5:49): You may think it’s a no-brainer: that nature is good for your mental and physical health. After all, a walk in the woods or even an urban park brightens your outlook on life, at least for a little while. Turns out, the notion that being outside in nature … Continue reading "The Nature Fix"

Citizen Science (start time: 5:32): For those who would love to track birds and other creatures or to test drinking water quality in their community, for instance, but think it would require a degree in science to contribute to important scientific discoveries, our guest today aims to set the record straight. Dr. Caren Cooper is an … Continue reading "Citizen Science"

This week on How on Earth host Susan Moran interviews two investigators of FDA-approved clinical trials testing the efficacy and safety of the illegal drug MDMA — known in an altered form as Ecstasy or Molly — as a treatment (along with psychotherapy sessions) for Post-Traumatic Stress Syndrome. Our guests are Marcela Ot’alora and Bruce Poulter, … Continue reading "Clinical Trials Test MDMA as PTS...

When Sylvia Tara had more trouble fitting into her skinny jeans than her friends, she decided to learn why she was prone to being fat.  Her new book is –  The Secret Life of Fat: The Science Behind the Body’s Least Understood Organ and What It Means for You. Host: Shelley Schlender Producer: Shelley Schlender Engineer: Shelley Schlender Executive Producer: … Continue reading "Secret Life of Fat"

The American Gut project is the largest crowd-sourced project ever: to date, over 80.000 participants have contributed fecal, skin, or oral samples. The ambitious goal is to characterize the microbiota of as many individuals as possible to identify the diverse species living in and on us. Beth interviews Dr Embrietta Hyde, Project Manager of the … Continue reading "American Gut Project"

Sometimes when we are having personal or health problems, it helps to get an outside perspective: talk to other friends who have experienced similar problems and how they dealt with them, and other friends about how they avoided those problems.  Talk to experts.  Then using all that input, we try to make the best choice … Continue reading "Earth in Human Hands – Shaping our Planet’s Future"

  This is the full interview with Dr. David Grinspoon, author of the book “Earth in Human Hands: Shaping Our Planet’s Future”.  Excerpts of this interview by Joel Parker aired on How on Earth on our January 10, 2017 show. Listen here:

Beth interviews Drs Jane Bock (starts at 16:35) and David Norris (starts at 7:10), co-authors of Forensic Plant Science, the application of plant science to the resolution of legal questions. A plant’s anatomy and its ecological requirements are in some cases species specific and require taxonomic verification; correct interpretation of botanical evidence can give vital … Continue reading "Forensi...

For this end-of-the-year How on Earth show, we look back to 2016 with clips from some of our features from the past year: selections from the Our Microbes, Ourselves series, research about Zika, gravitational waves, and carbon farming.  Those are just a few of the topics we covered in 2016, which also included: electric cars, electric airplanes, renewable … Continue reading "2016 Retrospective"

This week on How on Earth Beth interviews two NOAA scientists who study climate change. Joanie Kleypas is a marine ecologist who investigates how rising atmospheric carbon dioxide affects marine ecosystems. She is a self-described optimist who is committed to finding solutions to the “coral reef crisis.” Pieter Tans he has led the Carbon Cycle … Continue reading "Where is climate science research...

This week’s show offers two features: Global Biodiversity (start time: 1:22): Scientists, NGOs and government representatives from nearly 200 countries have been gathering in Cancun, Mexico, for the UN Biodiversity Conference, known as COP13. They’re meeting to promote protocols and strategic actions related to biological diversity, climate change, food security, and even citizen science.  Gillian...

This week, Alejandro speaks with Leonard David, a space journalist who has written a new book Mars – Our Future on the Red Planet. In his book he discusses the plans of both NASA and private companies to send humans to the red planet. The book is a companion to a six-part television series from … Continue reading "Colonizing Mars?"