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The true science behind our most popular urban legends. Historical mysteries, paranormal claims, popular science myths, aliens and UFO reports, conspiracy theories, and worthless alternative medicine schemes... Skeptoid has you covered. From the sublime to the startling, no topic is sacred. Weekly since 2006.

Newest episodes

Climate Update 2026

19 min

Checking in on how we're doing with major weather events attributed to human-caused climate change. Learn about your ad choices: dovetail.prx.org/ad-choices

Encore! "The Crystal Skulls"

10 min

Today we have a special bonus treat for you: A look back at episode 98 about the most famous of all the world’s crystal skulls. This December, Skeptoid Adventures is taking you into the jungles of Belize, where a 20th century British adventurer claims to have found the mystical skull carved from pure quartz crystal inside a Maya temple. It’s said to have all kinds of metaphysical powers. And so, if you’re coming with us, you’ll want to know all about the history of this rare and valuable artifact. Visit skeptoid.com/adventures to learn all about the trip, and attend now to learn all about the Crystal Skull. Learn about your ad choices: dovetail.prx.org/ad-choices

You Might Also Like: The Next Five

Introducing Code and Conscience: Intelligence Within and Without Borders from The Next Five. Follow the show: The Next Five Sovereignty, by definition, is being updated. Sovereignty 2.0. Under geopolitical tensions, supply chain dependencies and competing regional regulations, the discussion around digital sovereignty is shaping where you're allowed to build, what models you’re allowed to train on, and who's allowed to see the results. Competing lines are being drawn. On one side there are those calling for the democratisation of AI and opening the global doors to innovation. On another is a fragmented map of regional regulations, like the strict mandates of the EU AI Act. Bubbling underneath is the geopolitical chess match, primarily between the US and China, turning data, frontier models and the infrastructure behind them into a matter of national security. All of this offers up some big questions for governments and businesses. One no bigger than this: Can global enterprise innovation really survive in a world of digital borders? Joining host Tom Parker is Stéphane Israël, Managing Director of the AWS European Sovereign Cloud and Digital Sovereignty at AWS, alongside Ali Ustun, Senior Partner from McKinsey’s Middle East Office and co-leader of their global Data and AI Foundations Service Line and Dr. Catherine di Lorenzo, Partner at A&O Shearman. Sources: FT Resources, McKinsey, NASA This content is paid for by AWS and is produced in partnership with the Financial Times' Commercial Department. The views and claims expressed are those of the guests alone and have not been independently verified by The Financial Times. Hosted on Acast. See acast.com/privacy for more information. DISCLAIMER: Please note, this is an independent podcast episode not affiliated with, endorsed by, or produced in conjunction with the host podcast feed or any of its media entities. The views and opinions expressed in this episode are solely those of the creators and guests. For any con...

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The newest 50 of 1,103 episodes

Climate Update 2026

19 min

Checking in on how we're doing with major weather events attributed to human-caused climate change. Learn about your ad choices: dovetail.prx.org/ad-choices

Encore! "The Crystal Skulls"

10 min

Today we have a special bonus treat for you: A look back at episode 98 about the most famous of all the world’s crystal skulls. This December, Skeptoid Adventures is taking you into the jungles of Belize, where a 20th century British adventurer claims to have found the mystical skull carved from pure quartz crystal inside a Maya temple. It’s said to have all kinds of metaphysical powers. And so, if you’re coming with us, you’ll want to know all about the history of this rare and valuable artifact. Visit skeptoid.com/adventures to learn all about the trip, and attend now to learn all about the Crystal Skull. Learn about your ad choices: dovetail.prx.org/ad-choices

You Might Also Like: The Next Five

Introducing Code and Conscience: Intelligence Within and Without Borders from The Next Five. Follow the show: The Next Five Sovereignty, by definition, is being updated. Sovereignty 2.0. Under geopolitical tensions, supply chain dependencies and competing regional regulations, the discussion around digital sovereignty is shaping where you're allowed to build, what models you’re allowed to train on, and who's allowed to see the results. Competing lines are being drawn. On one side there are those calling for the democratisation of AI and opening the global doors to innovation. On another is a fragmented map of regional regulations, like the strict mandates of the EU AI Act. Bubbling underneath is the geopolitical chess match, primarily between the US and China, turning data, frontier models and the infrastructure behind them into a matter of national security. All of this offers up some big questions for governments and businesses. One no bigger than this: Can global enterprise innovation really survive in a world of digital borders? Joining host Tom Parker is Stéphane Israël, Managing Director of the AWS European Sovereign Cloud and Digital Sovereignty at AWS, alongside Ali Ustun, Senior Partner from McKinsey’s Middle East Office and co-leader of their global Data and AI Foundations Service Line and Dr. Catherine di Lorenzo, Partner at A&O Shearman. Sources: FT Resources, McKinsey, NASA This content is paid for by AWS and is produced in partnership with the Financial Times' Commercial Department. The views and claims expressed are those of the guests alone and have not been independently verified by The Financial Times. Hosted on Acast. See acast.com/privacy for more information. DISCLAIMER: Please note, this is an independent podcast episode not affiliated with, endorsed by, or produced in conjunction with the host podcast feed or any of its media entities. The views and opinions expressed in this episode are solely those of the creators and guests. For any con...

The Most Abused Logical Fallacies

17 min

Some common logical fallacies frequently misused or misdefined — and how to use them properly. Learn about your ad choices: dovetail.prx.org/ad-choices

Poisoned Halloween Candy

12 min

Are all those stories you heard about razor blades hidden in Halloween candy true, or just more urban legends? Learn about your ad choices: dovetail.prx.org/ad-choices

Multi-Cancer Detection: Panacea or Problem?

17 min

These tests that promise to easily detect cancer with a blood test are fraught with profound accuracy errors. Learn about your ad choices: dovetail.prx.org/ad-choices

The Floating Mob Bodies of Lake Mead

17 min

Las Vegas mob lore clings thick to human remains found as Lake Mead's water level recedes. But is it truly mob secrets that are being revealed or perhaps something a bit more nuanced? The NamUs.gov profile for the Hemenway Harbor Doe is here. Learn about your ad choices: dovetail.prx.org/ad-choices

Hunting the Pictish Beast

14 min

Did this mysterious carved beast — the most common object on the Pictish standing stones — ever actually live? Learn about your ad choices: dovetail.prx.org/ad-choices

Happy 20th Birthday Skeptoid!

6 min

In honor of Skeptoid's 20th birthday, today we're playing episode #1 from October 2006. Enjoy! Learn about your ad choices: dovetail.prx.org/ad-choices

AI Psychosis: Is It a Moral Panic?

17 min

Is the moral panic surrounding artificial intelligence justified? Learn about your ad choices: dovetail.prx.org/ad-choices

Do You Have Cortisol Belly?

18 min

Wellness influencers promise to sell you supplements to reduce your cortisol, and thus reduce your weight — even though it doesn't work that way. Learn about your ad choices: dovetail.prx.org/ad-choices

Tales From Aztlantis and "How Conspiracy Theories Undermine Ethnic Studies!"

43 min

Skeptoid Adventures "Mysteries of the Maya" guest expert Kurly Tlapoyawa was invited to speak at the inaugural SkeptiCamp New Mexico, and today we're sharing the lecture he gave, which covered the many ways that conspiracy theories and pseudoarchaeology undermine the goals of ethnic studies programs.Enjoy! And hear more from Kurly on the Tales From Aztlantis podcast:buzzsprout.com/1720405chimalli.orgLearn more about "The Mysteries of the Maya" Skeptoid Adventure at skeptoid.org/adventures Learn about your ad choices: dovetail.prx.org/ad-choices

The 1973 Mansfield UFO Encounter

18 min

Four men in an Air National Guard helicopter had a terrifying UFO encounter in the skies above Ohio. Learn about your ad choices: dovetail.prx.org/ad-choices

The Mystery of the Nazca Lines

16 min

The true origin and purpose of Peru's famous Nazca Lines. Learn about your ad choices: dovetail.prx.org/ad-choices

Caught in the Feedback Loop

16 min

We dive into the Skeptoid mailbag to find your best listener feedback. Learn about your ad choices: dovetail.prx.org/ad-choices

Let Yourself Get Scammed

15 min

It turns out that having zero fraud in society is not necessarily a goal that would serve the general good. Why not? Learn about your ad choices: dovetail.prx.org/ad-choices

Recovered Memory Therapy

17 min

Some say you might have repressed memories that you know nothing about — but that might be discovered and recovered therapeutically. Is this a real thing? Learn about your ad choices: dovetail.prx.org/ad-choices

Is CERN Altering Reality?

16 min

What's really behind CERN's Large Hadron Collider's third planned shutdown? Learn about your ad choices: dovetail.prx.org/ad-choices

The Humble Pie Report

15 min

Once again, we issue your corrections to errors made in previous Skeptoid episodes. Learn about your ad choices: dovetail.prx.org/ad-choices

Does Torture Work?

17 min

The question of whether torture is ever justified must take a back seat to the more important question: Is it effective at producing useful intelligence? Learn about your ad choices: dovetail.prx.org/ad-choices

The Many Worlds of Reality Shifting

17 min

Is this new technique to move your consciousness into another world anything more than just vivid imagination? Maybe. Learn about your ad choices: dovetail.prx.org/ad-choices

Are Seed Oils Poisoning Our Food Supply?

17 min

Seed oils seem to be the newest food villain. Are they something you truly need to avoid? Learn about your ad choices: dovetail.prx.org/ad-choices

The Pirates of Cozumel

16 min

Popular tales claim that pirates used the island of Cozumel as a base of operations. History tells us pretty much the exact opposite. Learn about your ad choices: dovetail.prx.org/ad-choices

Feed Drop! Tales From Aztlantis and "Remembering the Maya Apocalypse"

1 hr 26 min

As a thoughtful primer for our Skeptoid Adventure through the Maya World of the Yucatán coast this December, we're dropping an episode from our good friends at the Tales From Aztlantis podcast that's all about the so-called "Mayan Calender" that was the source of so much hype -- and some real harm -- leading up to December 2012.FUN FACT: Tales From Aztlantis co-host and Indigenous Chicano archaeologist and ethnohistorian Kurly Tlapoyawa will be our guide on "The Mysteries of the Maya" Skeptoid Adventure this December!skeptoid.com/adventures Learn about your ad choices: dovetail.prx.org/ad-choices

The Case of the Impossible Satellites

18 min

Are alien spacecraft truly the best explanation for "transient" dots found on old telescope photographs? Learn about your ad choices: dovetail.prx.org/ad-choices

Skeptoid Adventures Early Bird Special

1 min

The early bird special ends this Monday for BOTH Skeptoid Adventures launching this December! Learn about your ad choices: dovetail.prx.org/ad-choices

Balanced Literacy and the Reading Wars

17 min

What was the real cause of the drop in English-speaking literacy rates between 1980 and 2020? Learn about your ad choices: dovetail.prx.org/ad-choices

Red Light Therapy

15 min

Usually, wellness therapies that claim to treat everything actually treat nothing. Learn about your ad choices: dovetail.prx.org/ad-choices

The Men Who Walk Through Walls

17 min

The real story behind the CIA spending $20 million on PROJECT STARGATE to study psychics. Learn about your ad choices: dovetail.prx.org/ad-choices

Encore! "Finding the Black Olmec"

17 min

Our final Skeptoid Adventure of 2026 takes us to the Yucatán coast to explore the Mysteries of the Maya. So, in anticipation of that, we're playing an episode from the archive that takes us to the heart of Mesoamerica: "Finding the Black Olmec" -- Enjoy!And this Adventure takes place December 6th-13th and links up seamlessly with the New Orleans Escapade for those who are interested!www.skeptoid.com/adventures Learn about your ad choices: dovetail.prx.org/ad-choices

On the Trail of the Rougarou

16 min

From 17th century France to Nova Scotia and all the way to the bayous of Louisiana, one particular cryptid has had a far longer run than most. The rougarou is said to be the werewolf of the swamps, stepping out of Cajun folklore and into your nightmares. Where can we find the rougarou, and what role will it fill for centuries to come? Learn about your ad choices: dovetail.prx.org/ad-choices

Encore! "The Voodoo Ax Murders"

15 min

In preparation for our Skeptoid Adventure to New Orleans, we’re playing an encore edition of an episode that takes us to the heart of the Big Easy and dives into Louisiana Voodoo. We’ll see how Louisiana Voodoo stacks up against the Hollywood version as we explore the mysterious case of what came to be known as "The Voodoo Ax Murders." Learn about your ad choices: dovetail.prx.org/ad-choices

Full Moon Myths

17 min

A round-up of plausible-sounding myths about the Moon, most of which you've probably heard, and some of which you might believe. Learn about your ad choices: dovetail.prx.org/ad-choices

Food Dyes

17 min

Some say artificial food dyes are killing us. The truth is a lot more nuanced. Learn about your ad choices: dovetail.prx.org/ad-choices

Chemtrails: Still Haven't Blown Away

18 min

The more years go by, the more Americans believe that ordinary airliners are secretly spraying chemicals for some hidden nefarious purpose. Learn about your ad choices: dovetail.prx.org/ad-choices

Project Anchor: Anatomy of a Hoax

16 min

This Internet legend claims the Earth's gravity will shut off for seven seconds in 2026. Learn about your ad choices: dovetail.prx.org/ad-choices

A Skeptic's Guide to Sleepmaxxing

17 min

This social media fad promises to supercharge your sleep and make you healthier than healthy, when in fact it probably does significantly more harm than good. Learn about your ad choices: dovetail.prx.org/ad-choices

New Skeptoid Movie: Alien Echoes

5 min

Skeptoid is now going into production on our third feature film: Alien Echoes. Get all the details at skeptoid.org/alienechoes Learn about your ad choices: dovetail.prx.org/ad-choices

The Myth of the Alpha Wolf

15 min

It turns out there's probably no such thing as an alpha wolf. Learn about your ad choices: dovetail.prx.org/ad-choices

How Disastrous Are Declining Birth Rates?

19 min

Popular influencers claim birth rates are declining disastrously. How true is that, and is it a disaster? Learn about your ad choices: dovetail.prx.org/ad-choices

The Colorado Martian

14 min

The discovery of a Martian sarcophagus in Colorado in 1864: An oddball story, or consistent with the lore of the day? Learn about your ad choices: dovetail.prx.org/ad-choices

Skeptifying BBC's Uncanny

20 min

Supplying some much-needed skepticism to an episode of the BBC podcast Uncanny. Learn about your ad choices: dovetail.prx.org/ad-choices

Is Germ Theory a Myth?

17 min

Even today, some people cling to a pre-scientific belief that germs do not cause disease. Learn about your ad choices: dovetail.prx.org/ad-choices

Sailing the Skeptical Seas! New Orleans Escapade! Mysteries of the Maya Cruise!

2 min

Time is running out to grab one of the few remaining cabins for Málaga, Spain to Nice, France on the SV Royal Clipper AND announcing our next adventure to New Orleans followed by the Mysteries of the Maya cruise to the Yucatán Peninsula! Learn about your ad choices: dovetail.prx.org/ad-choices

Unearthing Ancient Advanced Civilizations

17 min

An exploration of the validity of the Silurian hypothesis, which posits the existence of a pre-human intelligent race on Earth. Learn about your ad choices: dovetail.prx.org/ad-choices

Gentle Reminder: Daylight Saving Time Starts Tomorrow

11 min

As a gentle reminder that you will have an hour of sleep robbed from you tonight, enjoy this episode on Daylight Saving Time Myths from the archives! Learn about your ad choices: dovetail.prx.org/ad-choices

Testing the Rossi E-Cat

15 min

This secretive device has been promising to deliver clean, free energy for more than 15 years — but so far nobody's been allowed to examine it. Learn about your ad choices: dovetail.prx.org/ad-choices

How to Become a Sovereign Citizen

15 min

Is there somewhere on Earth where Sovereign Citizens can actually be free of any nation's laws? Learn about your ad choices: dovetail.prx.org/ad-choices

Manipulative Advertising

17 min

Advertising wants your attention, not your soul; and it’s not nearly as good at getting either as you might think. Learn about your ad choices: dovetail.prx.org/ad-choices

See all 200 episodes

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