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Science Podcasts

Let's talk science on PlanetGeo! Join Chris, an award-winning geology teacher, and Jesse, a geoscience professor, in discussing the amazing features of our planet and their impact on your everyday life. Jesse, Chris, and their expert guests discuss geology, biology, astronomy, climatology, volcanology...and almost every other "-ology" out there. No prior knowledge required. New episodes coming at you every week. Listen, subscribe, share with someone you know!

Let's talk science on PlanetGeo! Join Chris, an award-winning geology teacher, and Jesse, a geoscience professor, in discussing the amazing features of our planet and their impact on your everyday life. Jesse, Chris, and their expert guests discuss geology, biology, astronomy, climatology, volcanology...and almost every other "-ology" out there. No prior knowledge required. New episodes coming at you every week. Listen, subscribe, share with someone you know!

Location:

United States

Description:

Let's talk science on PlanetGeo! Join Chris, an award-winning geology teacher, and Jesse, a geoscience professor, in discussing the amazing features of our planet and their impact on your everyday life. Jesse, Chris, and their expert guests discuss geology, biology, astronomy, climatology, volcanology...and almost every other "-ology" out there. No prior knowledge required. New episodes coming at you every week. Listen, subscribe, share with someone you know!

Language:

English


Episodes

Observing Volcanoes: Dr. Andrew Calvert, Scientist-in-Charge of CalVO

6/10/2021
Today we have the great pleasure of interviewing Dr. Andrew Calvert, the Scientist-in-charge of the California Volcano Observatory. In this conversation we cover a huge range of topics from Mount Shasta, to how magmas form and become more silica rich, the role of federal institutes like CalVo in volcano hazard prediction and monitoring, and some details about potassium-argon (K-Ar, as argon-argon, Ar-Ar) geochronology using noble gases in minerals! Dr. Calvert also gives and excellent...

Duration:00:54:04

Lava’s All You Need: Preview to Interview with Dr. Andrew Calvert (GeoShort)

6/3/2021
Today we have a preview to our interview with Dr Andrew Calvert, Scientist in Charge of the California Volcano Observatory, also known as CalVO. Dr. Calvart first fell in love with volcanoes as a young boy growing up in Idaho when Mount Saint Helens erupted. This was the first ash sample he ever collected, and he and Chris share this connection to volcanoes and their interest in geoscience. In this GeoShort, Dr. Andrew Calvart walks us through a million years of geologic history of Mount...

Duration:00:18:20

The Day the Dinosaurs Died: Dr. Ian Miller, Director of the Denver Museum of Nature and Science

5/27/2021
Dr. Ian Miller is the Director of the Denver Museum of Nature and Science, now working with National Geographic as the Chief Science and Innovation Officer. Dr. Miller is a paleobotanist who has spent his career making amazing discoveries about the ancient Earth using fossils! In this interview Dr. Miller describes what the Earth looked and felt like in the minutes and days after a meteorite impact struck the planet, killing the dinosaurs and creating a global catastrophe! Dr. Miller and his...

Duration:00:45:12

Asteroids and Extinctions: Excerpt from Interview with Dr. Ian Miller (Geoshort)

5/20/2021
In this GeoShort, Dr. Ian Miller (Director of Earth and Space Sciences, Associate Curator of Paleobotany for the Denver Museum of Nature and Science) compares the end Cretaceous event that killed the Dinosaurs to other mass extinction events. Jesse and Ian also have a brief discussion about massive lava eruptions that can cause mass extinctions such as the Deccan Traps. Ian also provides an excellent explanation on how fossils form! —————————————————— Instagram:...

Duration:00:12:11

Glacier National Park

5/13/2021
Today we are talking about the geology of Glacier National Park! We cover three major things: 1- The Colors: The rocks in Glacier have stunning colors and you can see them almost anywhere in the park. The main colors are various shades of red, green, brown, and gray. First off, focus on the reds: These rocks have a mineral called hematite (Fe2O3). Hematite forms when iron bearing minerals react with O2 to produce the iron oxide. This happens either on land or in shallow enough water so...

Duration:00:39:02

Glacier Questions From Our Live Event (GeoShort)

5/6/2021
We recorded a live podcast episode with Mappy Hour! We recorded a live episode on the Geoscience a really special place, Glacier National Park and Waterton National Park in Northwestern Montana and Southern Alberta. The geoscience of these parks is truly special and there are great stories everywhere. A few of the things we mentioned in these questions are the book Geology along the Going-To-The-Sun Road and the Roadside Geology book series. Check them out for some great...

Duration:00:06:22

Discovering Ancient SuperQuakes: Why Large Earthquakes Occur and Where

4/29/2021
Exciting news! This Tuesday, May 4th, we will be doing a live podcast recording with Mappy Hour. Register below! PlanetGeo Mappy Hour Live Recording - Glacier National Park Today we talk Earthquakes! The list of EQ dating back to antiquity is shocking. The amplitude and deaths caused are estimated, but a glimpse of this list is very sobering. Below is a list of some of the important and more recent. It’s also appropriate to talk about the exponential scale. The richter scale is outdated...

Duration:00:43:24

2.5 Billon Tyrannosaurus rex (GeoShort)

4/22/2021
This is an Earth Day special! Today we are talking about this really cool study that came out last week in the scientific journal Science (one of the top journals in all of ‘science’). It is by Charles Marshall and others from Berkeley, and the title is “Absolute abundance and preservation rate of Tyrannosaurus rex” https://science.sciencemag.org/content/372/6539/284 The authors also wrote this very cool Conversation (name of the publication) article where scientists and journalists...

Duration:00:15:57

Ancient Nukes: 1.9 Billion-Year-Old Nuclear Reactors

4/15/2021
Did you know that nuclear fission reactions are natural? Uranium fission drives many types of nuclear power plants as well as nuclear weapons. However, these types of reactions occurred on Earth naturally, just billions of years ago. Today, we discuss the Oklo natural fission reactors in Gabon, Africa. These natural reactors are not only amazingly cool, but they have a really interesting discovery story and they can teach us a lot about the overlap between nuclear physics and geoscience,...

Duration:00:35:07

Grand Canyon Hiking Recommendations (GeoShort)

4/8/2021
Are you planning a trip to the Grand Canyon soon? Are you interested in seeing some cool geoscience features? Join us today as we discuss a few great hikes to check out while visiting the Grand Canyon National Park in Arizona, USA. We discuss hiking trails such as the South Kaibab Trail down to the aptly-named Ooh Ahh Point (so beautiful!), and end up at Skeleton Point for a full view of the Canyon in all its glory! Alternatively, you could take the Bright Angel trail, a somewhat nicer hike...

Duration:00:12:55

The New Climate War: Dr. Michael Mann, Distinguished Professor and Author

4/1/2021
There is a new climate war afoot. And, there is a book about it! Professor Michael Mann, Distinguished Professor at The Pennsylvania State University, has a long history of studying and discussion climate change. His new book, titled The New Climate War, is out now! In this episode we interview Mike about his journey in academia, what the new climate war is all about, and what he sees as the best path towards solutions. We discuss how last climate war has ended, what we all can do to fix...

Duration:00:33:48

The Feeling of Discovery with Prof. Michael Mann (GeoShort)

3/25/2021
Welcome to the preview to our full interview with Professor Michael Mann, prestigious climate scientist and author of the new book, The New Climate War. Professor Mann is a Distinguished Professor at Penn State University, a member of the National Academy of Sciences, and has won many science and science communication awards. In this GeoShort we discuss the feeling of discovery that Dr. Mann felt when publishing the 1999 scientific article that documented the "hockey stick" graph of CO2...

Duration:00:07:02

The Grand Canyon

3/18/2021
“Crying: acceptable at funerals and the Grand Canyon” - Ron Swanson Today, we talk about the Grand Canyon. The scenery and geology combine to create one of the Natural Wonders of the World. If you are planning a trip, or would like to learn more about this spectacular location, listen to this episode! It’s hard to show the principles of stratigraphy better than what’s on display in the Grand Canyon. Each layer gives clues to the environment of deposition and what the Earth was like at the...

Duration:00:36:13

A Recent Triple-Threat - Earthquakes Shake New Zealand (GeoShort)

3/11/2021
In this GeoShort we discuss last week's triple header of large earthquakes off the coast of New Zealand. There were three major earthquakes that occurred all within a few hours of one another. The first, a magnitude 7.3 quake, was likely unrelated to the other two, but the second one, a 7.4, was a precursor to the last one! The last quake as a giant 8.1, a full 11 times larger than the 7.4 that occurred nearby. These earthquakes set off tsunami warnings all around the Pacific ocean from...

Duration:00:13:39

The Rise of Geoscience Education: Interview with Professor Steve Mattox

3/4/2021
Join us in a wide-ranging discussion with Professor Steve Mattox! Dr. Mattox is a professor at Grand Valley State University, where he has taught for many years. Dr. Mattox had a very diverse career before going the faculty at Grand Valley, and we discuss his career path, how he became interested in the Geosciences, and what he thinks of the future of geoscience. Dr. Mattox has led several very interesting research projects surrounding geoscience and society. These include quantifying the...

Duration:00:32:26

Gold in The Outback, Stories with Professor Steve Mattox (GeoShort)

2/25/2021
In this GeoShort, we take a snippet from our discussion with Dr. Steve Mattox from GVSU. He has an interesting career path that started out in the economic geology sector working for a mining company looking for base metals (copper, zinc, gold, silver). This took him to some interesting places such as Australia and rural Indonesia. Steve talks about the interesting skill set that geologists have to make sense of an area. For example, Steve talks about finding gold in a sand and gravel...

Duration:00:09:20

Rocks get better with age: HOW and WHY we date them

2/18/2021
In this episode we discuss the many ways in which we determine the ages of rocks. This is a really common and important question that many people have. Here, we cover some of the basics. Basically, the methods used to date rocks range from simple intuition that anyone can do if you just spend some time looking at outcrops, to really advanced techniques involving laser and plasma instruments! We introduce this topic by describing the differences between relative dating, where we put events...

Duration:00:37:56

The Viral Cookie Monster Agate and How Agates Form (GeoShort)

2/11/2021
Have you seen the viral "cookie monster agate"? If not, check it out via the link below (or our instagram: @planetgeocast)! Both Chris and Jesse have had this viral agate image shared with them, and today we discuss how agates are formed, and how the represent a really cool and important geologic process; fluid flow! Agate is a form of microcrystalline silica (like quartz) that often forms from super-saturated fluid. These fluids flow through many parts of the Earth's crust, including...

Duration:00:09:58

How We Know What's Inside of the Earth (and Other Listener Questions)!

2/4/2021
In this episode, we answer a series of really excellent listener questions. Mrs. White, a high school teacher, assigned our plate tectonics episode to one of her A.P. classes and they came back with some great questions. Here they are: 1- how far have we drilled into the Earth and is there any hope of reading the mantle? We have drilled about 12 km which is a tiny amount. This took about 20 years to accomplish and the high temperatures inhibited drilling deeper. 2- what instruments to we...

Duration:00:28:40

Identifying Rocks Can Be Hard! (GeoShort)

1/28/2021
In this GeoShort we tell a few stories that highlight how identifying rocks can be sort of difficult, even for those of us with Geology degrees! Chris likes to call limestone the "Katy Perry" of rocks and Jesse got a question about pumice wrong, one of the easiest rocks to identify on the planet! So, if you are an amateur rock collector and don't always know what the rocks you find are called, never fear! It can be hard. If you want to know more about limestone, listen to Episode 5: Hard...

Duration:00:08:40