How On Earth

Flood Winners & Losers // 100 Year Starship Symposium

Feature 1 – Flood Winners & Losers : Last month’s deluge cut canyons, real and felt, through many of our lives, but nature helps us remember that floods can build too. In this feature, How on Earth’s Jim Pullen speaks with Boulder’s wetland and riparian ecologist Marianne Giolitto about flood “winners and losers”. Marianne watches over 45,000 acres of the city’s open space and mountain parks wetlands and riparian habitats. Jim and the Boulder Open Space and Mountain Parks are working together on a series of radio vignettes; the first two are “Monitoring Bats” and “Great Storms and Chautauqua.”

Feature 2 – 100 Year Starship Symposium : Back in June we had a feature about a project called the 100 Year Star Ship. During that show we talked with Alires Almon, a member of the project, about the challenges and vision of creating a long-duration mission to send humans to another star. A few weeks ago in Houston, the project held their annual symposium; this year’s theme was titled: “Pathway to the Stars, Footprints on Earth.” Ms. Almon is back with us today to talk about the symposium and what new ideas were discussed.

And as we mentioned in today’s headlines, you can learn more about shale oil and gas boom and bust by listening to Jim Pullen’s hour-long talk with expert Deborah Rogers on KGNU’s “It’s the Economy.”

Hosts: Joel Parker, Shelley Schlender
Producer: Joel Parker
Engineer: Joel Parker
Executive Producer: Beth Bartel
Additional Contributions: Jim Pullen

Due to technical problems, this show was not recored to the archive. We apologize that this post does not have an audio podcast of the entire show, but below we do have the audio file of the pre-recorded interview of the “Flood Winners and Losers” :

Podcast: Play in new window | Download (Duration: 6:50 — 9.4MB)

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Antarctica Research // The Cancer Chronicles

We offer two features on the Tuesday, Oct. 22, show:

Lake Hoare, Antarcita / Photo: Beth Bartel 2004 — The camp at Lake Hoare in Taylor valley, Antarctica. (Photo: Beth Bartel)

Feature 1 – Antarctica Research (start time 4:15): Diane McKnight, a professor of civil, environmental and architectural engineering at the University of Colorado Boulder, talks with How On Earth contributor Brian Calvert about scientific discoveries from Antarctica. During the temporary government shutdown the United States Antarctic Program, which facilitates government-funded scientific research in Antarctica, was unplugged. Several expeditions were cancelled. Her research on the McMurdo Dry Valleys on the continent will resume, but a future government shutdown would threaten scientific research on penguins, extreme microbes, climate change-induced sea ice melt and so many other subjects.

Feature 2 – The Cancer Chronicles (start time 12:22): In his new book, The Cancer Chronicles: Unlocking Medicine’s Deepest Mystery , science writer George Johnson takes readers on his very personal quest to understand cancer on a cellular level: how it begins with one “renegade cell” that divides, mutates, and becomes a tumor. In the process Johnson also digs deep into history – per-history, in fact — to learn that not only our ancient human ancestors had cancer, but even some dinosaurs suffered from them. And the author dissects many scientific studies that debunk myths about the role environmental toxins play in cancer. And he challenges false beliefs that cancer in modern times is on the rise. “Yet running beneath the surface is a core rate of cancer, the legacy of being multicellular creatures in an imperfect world,” he writes. Johnson speaks via phone to host Susan Moran about the mysteries and discoveries of cancer.

And as we mentioned in today’s headlines, if you want to see the large fragment of the Chelyabinsk meteor being recovered from Lake Chebarkul, you can see the video here.

Hosts: Susan Moran, Joel Parker
Producer: Susan Moran
Engineer: Joel Parker
Executive Producer: Beth Bartel

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Podcast: Play in new window | Download (Duration: 23:50 — 23.9MB)

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The Sports Gene: Inside the Science of Extraordinary Athletic Performance

In this pledge drive show for KGNU, we feature an interview with David Epstein, author of The Sports Gene. Through his new book, Epstein looks straight at a debate that’s as old as physical competition. Are stars like Usain Bolt, Michael Phelps, and Serena Williams genetic freaks put on Earth to be top athletes? Or are they simply normal people who overcame their biological limits through sheer force of will and obsessive training? This book tackles the nature vs. nurture debate and traces how far science has come in solving this great riddle.

Hosts: Joel Parker, Beth Bartel, Susan Moran, Jim Pullen, Shelley Schlender, Kate Fotopoulos
Producer: Shelley Schlender
Engineer: Shelley Schlender
Executive Producer: Beth Bartel

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Podcast: Play in new window | Download (Duration: 22:34 — 20.7MB)

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Plight of Bees // Climate and Flood

Feature 1: (start time: 03:45) Our first guest is Boulder beekeeper Tom Theobald. He talks about the current state of the bee crisis and what, if anything, the EPA is doing to address concerns that systemic pesticides like Clothianidan are properly controlled.

Feature 2: (start time: 12:42) Then National Center for Atmospheric Research scientist Dr. Claudia Tebaldi joins us. Tebaldi, a statistician, specializes in long-term modeling of climate change. We talk to her about the relationship between flood and the warming planet. We also talk about the new Intergovernmental Panel on Climate Change report which she helped lead. She also explains what the ‘fog of prediction is.

Hosts: Jim Pullen, Beth Bartel
Producer: Jim Pullen
Engineer: Jim Pullen
Executive Producer: Beth Bartel

Listen to the show:

Podcast: Play in new window | Download (Duration: 23:57 — 27.4MB)

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IPCC Assessment Report 5

pfeffertad-sm_0 — Tad Pfeffer was a lead author on the IPCC AR5 chapter about sea level rise. Photo: James Balog

On Friday, the Intergovernmental Panel on Climate Change, better known as the IPCC, released the first bit of its Fifth Assessment Report, a volume with a plain name that may have a large influence on global policy. This first part of the report, part one of three, is the “sciency” part, documenting the current state of knowledge of climate change and its effects. The report sticks to the physical science of climate change—by how much the climate is changing, what’s causing it, and what the world might look like by the end of the century. The next two volumes of the report will address the societal impacts of climate change and, lastly, mitigation strategies.

HOE co-host Beth Bartel speaks with Tad Pfeffer, a professor at CU-Boulder jointly appointed between the Institute of Arctic and Alpine Research, (INSTAAR), and the Department of Civil, Environmental, and Architectural Engineering. Pfeffer is one of the lead authors on Chapter 13 of the IPCC report, the chapter on sea level rise.

Hosts: Beth Bartel, Ted Burnham
Producer: Beth Bartel
Engineer: Maeve Conran
Executive Producer: Beth Bartel

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Podcast: Play in new window | Download (Duration: 24:47 — 34.0MB)

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Monarch Migration // Better Batteries

Monarch caterpillar on milkweed. Courtesy Tom Ranker.

Feature #1: (start time 4:45) As we unpack our coats and boots from storage boxes, so are insects, in their own way, planning for a seasonal change. Monarch butterflies in our neighborhood, east of the Rockies, fly south to very specific forests high in the mountains of Mexico. Their journey, and life at their destination, is a precarious one. Dr. Deane Bowers, a professor and curator of entomology at the CU Boulder Museum of Natural History, speaks with co-host Susan Moran about what is happening now with monarchs and other butterflies. And she discusses how the ability of certain insects, such as caterpillars, to defend themselves against predators by making themselves taste disgusting is being affected by human disturbances, such as nitrogen fertilizer runoff. To get involved in monarch conservation, go to Monarch Watch.

Feature #2: (start time 14:30) One of the greatest limitations of effectively using clean and renewable energy sources is a simple device with which we are all undoubtedly familiar — the battery. Dr. Conrad Stoldt is an associate professor of mechanical engineering at CU Boulder and co-founder of Solid Power, Inc., where he is developing an all-solid-state lithium metal battery. Stoldt talks with co-host Beth Bartel about how batteries work, why batteries are such a stumbling block in the current race to energy solutions, and how his research may just lead to the next big thing.

Hosts: Susan Moran, Beth Bartel
Producer: Susan Moran/Shelley Schlender
Engineer: Jim Pullen
Executive Producer: Susan Moran

Click on audio file below.

Podcast: Play in new window | Download (Duration: 24:33 — 22.5MB)

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Safer Rocket Fuel // Inland-Ocean Connection

The Tuesday, Sept. 17, show offers two features:
Feature #1 (start time TK): Once hadrazine, now green. Ball Aerospace’s Chris McLean, the Program Manager for the Green Propellent Fusion Mission, talks with co-host Jim Pullen about testing a much safer spacecraft fuel.

Mississ River Basin-EPA — Mississippi River Basin
Courtesy U.S. EPA

Feature #2 (start time TK): The 100-year flood ravaging Colorado has shown us painfully clearly the power of water. We’re seeing how surging rainfall and overflowing streams can destroy homes, roads, indeed whole communities in their path. But what’s less visible is how extreme weather events like this one in the nation’s interior affect oceans in powerful ways. Our watersheds east of the Continental Divide carry water, and tons of nutrients, into the Mississippi River Basin. Rainfall, storm water, and fertilizer runoff from croplands and backyard lawns contribute to the humongous Dead Zone in the Gulf of Mexico. To discuss our inland connection to oceans Dr. David Guggenheim, a marine scientist and founder of the nonprofit Ocean Doctor, talks with co-host Susan Moran. Vicki Goldstein, founder of Colorado Ocean Coalition, also discusses the inland ocean movement, including the second annual Making Waves event this coming weekend.

Hosts: Susan Moran, Jim Pullen
Producers: Jim Pullen
Engineer: Jim Pullen
Executive Producer: Susan Moran

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Boulder Science Festival // Insect Chorus Songs

Headlines: CU Scientists explore ways to combat methicillin-resistant staff infections; Yale survey indicates Coloradans concerned about climate change; Denver and Boulder Cafe Sci’s begin for fall; Farewell to Population scientist, Al Bartlett.

Boulder Science Festival (starts at 5:58) Many people in Boulder are familiar with the large number of local science groups and institutes, so what better place to celebrate and learn about science? That is exactly what our next two guests plan to do: create the Boulder Science Festival, which will be held October 12-13 at the Millennium Harvest House hotel. In the studio today we have Marcella Setter, the Director of the Boulder Science Festival, and an experienced administrator who loves organizing events that get the public excited about science. As the Director of Science Getaways, Marcella plans group trips for science enthusiasts who want to add some learning and discovery to their vacations. Joining Marcella here in the studio is her husband, Phil Plait, an astronomer, author, and writer of the Bad Astronomy Blog for Slate.com. An internationally-acclaimed speaker, Dr. Plait has appeared on numerous television science documentaries and is a self-proclaimed “science evangelizer”.

Insect Chorus Songs (starts at 14:58) You’ve heard it. It’s the sound of summer – or rather, the looming end of summer. The chorus of crickets, cicadas and who knows what else outside that is now in prime time. As an ode to summer, we thought we’d bring in a cicada and other insect specialist to share with us who the heck these critters are, and what’s their role in biodiversity. Maybe he’ll even tell us how we can eat them – like billions of people around the world do with delight. Brian Stucky is a doctoral student in ecology and evolutionary biology at the University of Colorado Boulder.

Hosts: Susan Moran, Joel Parker
Producer: Shelley Schlender
Engineer: Joel Parker
Executive Producer: Susan Moran

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Podcast: Play in new window | Download (Duration: 23:41 — 21.7MB)

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Wildfires & Water Reservoirs // Comet ISON

For the Sept. 3rd How On Earth show we offer two features:

Wildfires Threaten Water Supplies: (start time 5:45) The wildfire burning in and around Yosemite National Park is now the fourth-largest in California’s history. Covering nearly 350 square miles, the Rim Fire is threatening the Hetch Hetchy Reservoir, which supplies residents in the San Francisco Bay Area with most of their water and power. It’s a lot like the 2012 High Park Fire—which sent ash and debris into the water supply of Fort Collins. These fires offer lessons on the risks wildfires pose to reservoirs. Dr. Bruce McGurk, a former water manager for Hetch Hetchy and a water consultant, speaks with How On Earth contributor Brian Calvert about the risks and future prospects.

Comet ISON Cometh: (start time 12:50) Comets have fascinated humans for millenia. Aristotle argued comets were hot, dry exhalations gathered in the atmosphere and occasionally burst into flame. Some people thought that comets replenished Earth’s air. Still others believed they were a source of disease. Scientists today study comets because some are thought to be relatively pristine leftover debris from the formation of the solar system. And studying what comets are made of can provide us a glimpse back to the beginning of the solar system 4 billion years ago. Comet ISON, as scientists call it, is one that scientists predict will be relatively easy to view later this year. Dr. Carey Lisse, a senior research scientist at the Johns Hopkins Institute Applied Physics Laboratory in Maryland, speaks with co-host Joel Parker about comet ISON and its fascinating tails. For more information on ISON, go to NASA’s ISON toolkit, and this cool interactive model.

Hosts: Susan Moran, Joel Parker
Producer: Susan Moran
Additional contribution: Brian Calvert
Engineer: Jim Pullen
Executive Producer: Susan Moran

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Noise Pollution

Noise Pollution (starts at 6:15) – How on Earth’s Shelley Schlender talks with research scientist Larry Finegold about noise pollution and about a workshop being held today in Denver about Noise Management in Communities and Natural Areas. Dr. Finegold has authored or contributed to over 80 publications on noise including the US National Academy of Engineering report, “Technology for a Quieter America,” the World Health Organization report, “Burden of Disease from Environmental Noise,” and the article “Community Annoyance and Sleep Disturbance: Updated Criteria for Assessing the Impacts of General Transportation Noise on People.”

Host / Producer / Engineer: Joel Parker
Additional Contributions: Susan Moran
Executive Producer: Susan Moran

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Podcast: Play in new window | Download (Duration: 25:22 — 23.2MB)

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