In 1980s Southern England, intricate crop circles are appearing overnight, and people are desperate for an explanation. Could humans really create something so complex without anyone spotting them? The truth is out there! Actually, the truth is right here. The problem is getting people to believe it. For a list of sources, see the show notes at timharford.com Cautionary Tales is celebrating Hallow
9 Oct 2026 · 38 minWe tell our children unsettling fairy tales to teach them valuable lessons, but these Cautionary Tales are for the education of the grown ups – and they are all true. Tim Harford (Financial Times, BBC, author of “The Data Detective”) brings you stories of awful human error, tragic catastrophes, and hilarious fiascos. They'll delight you, scare you, but also make you wiser. New episodes every Friday.
Latest episodes
This October, Cautionary Tales is going all out for Halloween. We've got four brand new spooky episodes coming your way throughout the month, plus a fifth over on the Cautionary Club on Patreon. If you have your own Halloween-themed Cautionary Tale or have any questions about belief and the paranormal we'd love to hear from you - contact [email protected] To begin the month, we're revisiting one of
2 Oct 2026 · 38 minBefore he became Muhammad Ali, Cassius Clay was known as the "Louisville Loud-mouth", as famous for his sharp taunts and poetic put-downs as he was for his skills in the ring. In 1963, Clay arrived in England to take down beloved British Heavyweight, Henry Cooper. Clay is the clear favourite, but the showdown will be remembered as one of boxing history's most shocking battles, changing both men fo
25 Sep 2026 · 41 minLast week, Cautionary Tales described the rise and fall of General Magic, the startup with too much money and too few constraints. Was General Magic really doomed from the start, and what does its fate tell us about AI, drug discovery and our love lives? David Epstein, author of Inside the Box: How Constraints Make Us Better , joins Tim to make the case for loving limitations. For a list of source
18 Sep 2026 · 42 minIt's 1990. A new company called General Magic is going to build its vision of the future: the smart phone. They have talent, almost unlimited cash, and a 15 year head start on the iPhone. What could go wrong? This episode was based, with permission, on David Epstein's book Inside the Box: How Constraints Make us Better . For a list of sources, see the show notes. Join our Cautionary Club to get ep
11 Sep 2026 · 38 minEvel Knievel, the world-famous daredevil, is planning his greatest ever stunt. In 1974, he wants to leap over Snake River Canyon in Idaho. The chasm is almost a third of a mile wide, much bigger than any jump he's done before. To make it work, he'll need a custom-made rocket-powered "Skycycle," TV camera crews and - most importantly - a very positive attitude. For a list of sources, see the show n
4 Sep 2026 · 40 minIn 1942, eight men are sent from Nazi Germany to infiltrate America. Their mission: to sabotage critical infrastructure. Their problem: they're idiots. Operation Pastorius soon devolves into one of the most baffling failures of World War II. For a list of sources, see the show notes at timharford.com See omnystudio.com/listener for privacy information.
28 Aug 2026 · 39 minThis is a special crossover episode with Business History. John DeLorean was a visionary who wanted to create a futuristic new sports car - a stainless steel marvel with distinctive gull-wing doors. The British Government agreed to finance the project, provided he built his factory in a troubled part of Northern Ireland. Production stumbled, sales fizzled and DeLorean liked to fiddle with the numb
21 Aug 2026 · 49 minHow does a story on Cautionary Tales come to life? In this episode of our subscriber-exclusive series, Proceed with Caution, sound designer Pascal Wyse shows Tim how the audio magic happens. He explains how he picks the music in an episode, why it's best to avoid 'Mickey Mousing', and how to sound design some of the stranger moments of Cautionary Tales. To subscribe to the Cautionary Club and hear
14 Aug 2026 · 25 minTalented and beautiful, Molly O'Day is a rising star in 1920s Hollywood. But when Molly's teenage body starts to change and she can no longer fit into the dress she wore when she was 16, the studio wants nothing to do with her. As the scripts dry up and the money runs out, Molly faces a difficult but painfully familiar choice. For a list of sources, see the show notes at timharford.com See omnystu
7 Aug 2026 · 41 minMary Bateman lived in Yorkshire in the late 18th Century, an age that prized rational thought. Many people still longed to believe in the old ways and Bateman used this to her advantage, selling spells and enchantments to the desperate. Dr Maddy Pelling, co-host of the After Dark podcast and author of Hoax: Truth and Lies in the Age of Enlightenment, joins Tim to tell the tale of the villainous Yo
31 Jul 2026 · 43 minThe Herald of Free Enterprise is a new class of ferry that allows cars to drive directly into the ship. The doors must be closed before every departure, or the ship sails with a gaping hole at one end. One black night in 1987, on the freezing waters off Zebrugge, Belgium, a single crew member falls asleep at the worst possible time. For the sources, see the show notes at timharford.com See omnystu
24 Jul 2026 · 37 minWindscale is supposed to be Britain's big leap into the nuclear age, bringing science fiction to life in 1950s Northern England. But in the race to catch up with America's nuclear program, scientists are tinkering with forces they don't fully understand. When the reactor catches fire, no-one knows how bad it could be, or how to put it out. As the reactor workers scramble to save lives, other eyes
17 Jul 2026 · 40 minIf you tuned in to late-night WOR radio in 1950s New York, you'd enter the secret world of Jean Shepherd. Shepherd's nonconformist style, off-beat humor and love of pranks gathered a small but loyal following. These "Night People" loved being in on the joke, while the oblivious "Day People" were often the butt of it. Shepherd's show is long gone, but his spirit lives on in corners of the internet.
10 Jul 2026 · 40 minWhen the Luddites smashed factory frames in a bid to defend their craft and livelihoods, the machines came out on top. Today, AI and automation threaten to wipe out skilled jobs and flood us with inferior products at a fraction of the price: is history going to repeat itself? FT journalist and author of We Are Not Machines Sarah O'Connor joins Tim to discuss her findings from the front lines about
3 Jul 2026 · 41 minThe children of North End, Boston, play in the shadow of an enormous steel tank of molasses. The thick, sticky sugar syrup is being used to make munitions for the First World War. When a worker notices dark molasses seeping from the tank he warns the company that there could be a leak. But the man in charge, Arthur Jell, has more important things to worry about: schedules to meet and profits to ma
26 Jun 2026 · 41 minIn the early 1900s, Sir Arthur Vickers keeps the magnificent Irish Crown Jewels safe under lock and key at Dublin Castle. When the jewels disappear, the King rages, the police investigate, and even Sir Arthur Conan Doyle gets involved. No one is ever charged and no jewels are ever recovered. Except, we have a very good idea of who took them, and why the truth has stayed buried. For a list of sourc
19 Jun 2026 · 42 minWhen John Darwin walks into a shop in London, it causes an instant stir. After all, John Darwin has been dead for five years. He claims to have amnesia, but everyone - from the police and the media to his insurance company - suspects he is lying. No one can prove a thing, until a young woman at home with her baby thinks of something everyone else has missed. For the show notes, see timharford.com
12 Jun 2026 · 40 minAs Governor of Britannia, Magnus Maximus has a huge army at his disposal, which is just what he needs to secure the Roman imperial throne. But perhaps the impressive general should have looked into the past before focusing on his future. Tim is joined by Paul Cooper, host of Fall of Civilizations Podcast , to explore why powerful civilizations such as the Assyrians, the Han dynasty and the Roman E
5 Jun 2026 · 42 minIt’s D-Day and the Allies are about to invade Nazi-occupied France. For the landings to succeed, American soldiers on Omaha Beach will have to break through some formidable coastal defences - Hitler’s Atlantic Wall. Sherman tanks will come in very handy - and the Allies have come up with a novel solution for getting them to the beach. These tanks will swim. Everyone from Winston Churchill down tho
29 May 2026 · 39 min