Did you know that Europeans used to believe that sheep grew from Mongolian trees? Have you heard about the misbegotten discovery of a new form of water in the 1960s that set off a cold war arms race? Ever seen the gleaming Las Vegas hotel that accidentally shoots heat rays at poolside guests? The Constant is an audio history of getting things wrong. From ancient science to contemporary blunders, we take you on journeys of misadventure and misapprehension, filling your brain with juicy nuggets of the sometimes comical, sometimes tragical and always fascinating ways people mess things up.

The Dougherty Gang is the true story of three siblings in their 20s - two brothers and a sister - who went on an eight-day, fifteen-state, AK-47-wielding, bank robbing journey in 2011. It's a remarkable account that delves into the details of the complex circumstances that kicked off this crime spree, how they averted local, state and federal agents along the way and how they're doing now in prison.

Today’s biggest tech headlines in a flash from TechCrunch.

Spies don’t talk—it’s the cardinal rule of the business. But on Foreign Policy’s podcast I Spy, we get them to open up. We hear from the operations people: the spies who steal secrets, kill adversaries, and turn agents into double agents. Each episode features one spy telling one dramatic story.

Nancy Grace dives deep into the day’s most shocking crimes and asks the tough questions in her new daily podcast – Crime Stories with Nancy Grace. Nancy Grace had a perfect conviction record during her decade as a prosecutor and used her TV show to find missing people, fugitives on the run and unseen clues. Now, she will use the power of her huge social media following and the immediacy of the internet to deliver daily bombshells!

AARP’s weekly podcast The Perfect ScamSM tells the stories of people who find themselves the target of a scam. Host Bob Sullivan introduces listeners to those who have experienced scams firsthand, as well as professional con artists and leading experts who pull back the curtain on how scammers operate.

Welcome to podcast.ai, a podcast that is entirely generated by artificial intelligence. Every week, we explore a new topic in depth, and listeners can suggest topics or even guests and hosts for future episodes. Whether you're a machine learning enthusiast, just want to hear your favorite topics covered in a new way or even just want to listen to voices from the past brought back to life, this is the podcast for you.

America's funniest auto mechanics take calls from weary car owners all over the country, and crack wise while they diagnose Dodges and dismiss Diahatsus. You don't have to know anything about cars to love this one hour weekly laugh fest.