CLASSIC: What is red mercury?

While you may have never heard of Cargill, you almost certainly have bought some of their products. Cargill is the largest privately held company in all of the United States. And,from their humble beginnings as a grain broker, they've expanded across the planet. Critics say they' ...  Show more

Boozy inspires Ben to propose an investigation into all game show hosts for possible espionage. Swearing In asks why so many tech giants are selling hardware at a loss -- is this part of the surveillance state? The Hero of Canton notes that, of all people, your local law enforcem ...  Show more

When you think of mercury, what springs to mind? Is it the entrancing drop of shimmery liquid that flows from a broken thermometer, giving the metal the name quicksilver? Or is it the warnings of overconsumption of fish and bioaccumulation? Or perhaps it’s the Mad Hatter from Ali ...  Show more

Why are so many autocrats germaphobes? Why was the truth so dangerous for Soviet engineers? And what can salami reveal to us about the mind of Vladimir Putin? This is the first of two special episodes in partnership with HBO's new series "The Regime". Tim Harford investigates rea ...  Show more

In 1966 a well-known engineer released a book with information that could impact everyone on earth. But before anyone could read it, it was classified by the CIA.We only learned of its existence a few years ago because of a Freedom of Information request.The CIA only released 57 ...  Show more

If you take a shower and use basic cosmetics, you could be exposed to more than 100 chemicals. Add in your furnishings and food, and we’re talking several hundred chemicals, some of them bioaccumulative—and dangerous. But if we know that certain consumer goods have toxics in them ...  Show more