Lying on the cold metal table, Voyne Ray Cox knew the drill. This was his ninth round of cancer treatment - which is why he was certain that what happened next couldn't be right. He heard a sizzling sound and saw a blue flash. And then - agony. It was like someone had thrust a hot skewer through his shoulder. He cried out in pain, but the operator was down the corridor and she couldn't hear him. She blasted him again and again with the red-hot radiation beam.

Ray wasn't the first patient to be burned by the Therac-25 therapy machine, and he wouldn't be the last. Its dual-purpose design, controlled by a software programme, was supposed to offer hospitals more bang for their buck. But as patient after patient suffered ulcerated skin and yawning lesions, it should have been clear that something was horribly wrong. Why did it take so long for anyone to put this awful puzzle together?

For a full list of sources, see the show notes at timharford.com.

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Acclaimed author Michael Lewis discusses his time with Sam Bankman-Fried and why he thinks both high finance and Effective Altruism shaped the 'Crypto King's' worldview, ultimately landing him in jail. Plus, we hear about the people fighting terrorism, cave-ins and brain-eating amoeba from Michael's new book 'Who Is Government?'.

For a full list of sources, see the show notes at timharford.com.

Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows.

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A radical thought experiment transforms the lives of a new breed of philanthropists, as they follow the logic of altruism to extraordinary lengths. The most famous convert to the Effective Altruism movement, Sam Bankman-Fried, is either a humanitarian hero, a con artist at an astonishing scale, or most bafflingly, both.

For a full list of sources, see the show notes at timharford.com.

Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows.

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George Price is on a mission to prove that human kindness is real. He's seen the latest research suggesting any altruism is ultimately selfish and finds it deeply depressing. George decides to learn the mathematics he needs to prove that research wrong, and throws his career, and life, into the quest for complete kindness.

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Steven Spielberg thought his career was finished. He was behind schedule, his actors were fighting, the crew were mutinous and worst of all, his shark was broken. It looked like Jaws was destined for failure, but the movie that came out defined the Hollywood blockbuster. In this special episode celebrating 50 years of Jaws, we take lessons from the greatest monster movie that almost wasn't made.

Thanks to Alastair Greig for additional music.

For a full list of sources, see the show notes at timharford.com.

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The annual Le Mans 24 Hour race brings in hundreds of thousands of spectators to watch the giants of motor racing put their endurance to the ultimate test. Every year, technology improves and the cars get a little faster. In 1955, that push for ultimate speed results in a catastrophe that changes the sport forever.

For a full list of sources, see the show notes at timharford.com.

Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows.

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Lise Meitner has fought for her entire life to be seen as a scientist, slowly building a career as a nuclear physicist in Berlin. When Adolf Hitler rises to power, the small gains she's made are snatched away. As a Jewish woman, Lise has a critical decision to make: is her passion for science worth her life?

An earlier version of this podcast mistakenly gave the wrong date for the bombing of Hiroshima. We apologize for the error.

For a full list of sources, see the show notes at timharford.com.

Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows.

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Can game theory be used to win a world cup? Can you pay the way out of political corruption? And are there winning strategies in life we don't use because we're too embarrassed? Tim teams up with Nate Silver and Maria Konnikova, poker connoisseurs and the hosts of podcast Risky Business to answer your questions, tackling everything from sports, to tariffs, to the evils of smartphones.

For a full list of sources, see the show notes at timharford.com.

Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows.

Subscribe on Apple: apple.co/pushkin
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See omnystudio.com/listener for privacy information.