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Rating

★★★★★

4.8

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31 reviews

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Blue Dot, named after Carl Sagan's famous speech about our place in the universe, features interviews with guests from all over the regional, national and worldwide scientific communities. Host Dave Schlom leads discussions about the issues science is helping us address with experts who shed light on climate change, space exploration, astronomy, technology and much more. Dave asks us to remember: from deep space, we all live on a pale, blue dot.

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Check latest episodes from Blue Dot podcast

Best of Blue Dot: California's wild and scenic Eel River and California Fly Fisher magazine

2026/10/02

Host Dave Schlom is joined by Charles Schneider, a Connectivity Program Manager for California Trout, to discuss the human and natural history of California's third-largest watershed, the Eel River.

Blue Dot: Dark skies for ecosystem and human health with The Nature Conservancy

2026/09/25

Host Dave Schlom is joined by two representatives from The Nature Conservancy in California to discuss the importance of dark skies as a natural resource.

Best of Blue Dot: The International Geophysical Year 1957-58 with Mark O'Connell

2026/09/18

Host Dave Schlom is joined by Mark O'Connell, whose screenwriting credits include Star Trek: The Next Generation and Deep Space Nine, to talk about his non-fiction book, The Year Science Changed Everything: 1957's International Geophysical Year and the Future of Our Planet.

Best of Blue Dot: Understanding the basic science of spaceflight with Trisha Muro

2026/09/11

Host Dave Schlom is joined by science educator and author Trisha Muro to discuss her book, It's (Just) Rocket Science: Exploring Physics Through Spaceflight Missions.

Blue Dot: A new look at Freud and neuroscience with Dr. Mark Solms

2026/09/04

Host Dave Schlom is joined by world renowned neuropsychologist and psychoanalyst Mark Solms. Dr. Solms is the author of the new book, The Only Cure: Freud and the Science of Mental Healing.

Blue Dot: All things El Niño with NASA's Josh Willis

2026/08/28

Host Dave Schlom is joined by a longtime friend of Blue Dot, Josh Willis from NASA's Jet Propulsion Laboratory in Pasadena. Josh is an oceanographer who uses NASA's armada of Earth monitoring satellites to study ocean heights, temperatures and currents.

Best of Blue Dot: All that glitters: a conversation with Dominic Frisby author of The Secret History of Gold

2026/08/21

Host Dave Schlom is joined by British humorist and financial writer Dominic Frisby.

Blue Dot: The Big One times two? The link between Cascadia and the San Andreas Fault with Chris Goldfinger

2026/08/14

Host Dave Schlom is joined by Oregon State marine geologist Chris Goldfinger to take an in-depth look at the West Coast's two most dangerous faults, the San Andreas and Cascadia.

Blue Dot: The great heat wave of 1936 with author Geoff Williams

2026/08/07

Host Dave Schlom is joined by Geoff Williams, author of the new book, The Summer of Death: The Great Heat Wave of 1936 and the Making of Modern America.

Blue Dot: How animals influence human thought: A conversation with author Michael Bond

2026/07/31

Host Dave Schlom is joined by British author Michael Bond, author of the new book, Animate: How Animals Shape the Human Mind. Bond specializes in writing about psychology and human behavior and in this masterful work, he goes back to the very beginnings of humanity's relationship with the animal world.

Blue Dot: An innovative solution to removing and storing carbon: biochar and bio-oil with Charm Industrial

2026/07/24

Host Dave Schlom explores the world of biochar and ways to remove carbon from the landscape with Pyrolysis engineer Joe Polin and policy expert Nora Cohen Brown from Charm Industrial.

Blue Dot: Hot Creek in peril: a proposed gold mine threatens one of California's natural wonders

2026/07/17

Host Dave Schlom examines an environmental issue exploding in eastern California.

Blue Dot: The "earthquake gate" in Southern California between the San Andreas and San Jacinto faults

2026/07/10

Host Dave Schlom is joined by Liliane Burkhard, a geophysicist and planetary scientist at the University of Bern in Switzerland, to discuss a recent study linking earthquakes on two of Southern California's major faults.

Blue Dot: California 1776: what was it like? With pyrogeographer Don Hankins

2026/07/03

To mark the nation's 250th birthday, host Dave Schlom is joined by California State University Chico geography professor Don Hankins to discuss what California would have been like in 1776.

Best of Blue Dot: The art and science of fly fishing with Hall of Famer Mike Mercer

2026/06/26

Host Dave Schlom gets to delve into his favorite pastime, fly fishing, with two of his heroes -- Mike Mercer and Bryan Quick from The Fly Shop in Redding, California.

Podcast reviews

Read Blue Dot podcast reviews

4.8 out of 5

31 reviews

★★★★★

Bryan P Quick 2025/09/11

The Merganser

One of many nicknames Mercer has gained, he is a savant on the water and always pleasant to work with. Thank you for having me on Dave. We need to fi...

★★★★★

Flying Bedstead 2022/12/03

Dee O'Hara

I totally enjoyed hearing this interview. There are many references to the astronaut's nurse in space history, and to hear her voice tell her part of ...

★★★★★

Jet Screamer0769 2022/08/13

Dee O’Hara

Another terrific episode full of great stories and insights. Having met her, she was a real treasure to the program and remains a treasure to history...

★★★☆☆

amblyrhyncus 2022/05/28

Love the podcast, hate the music

The music is so jarring, I have had to give up listening. Sorry!.

★★★★★

Jennifer Jewell 2017/05/06

Science & Curiosity: from space to pop music

Blue Dot is not just about Earth's place in space. It is about human curiosity and the drive to create. Host and creator Dave Schlom believes in the “...

★★★★★

RobertYay 2016/08/20

Smart, witty, and fun!

This has been the highlight of many weeks for me. The Blue Dot report is possibly my favorite show on the local NPR station(big ups NSPR!!), and alway...

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