Half-Truths

For most of the twentieth century, Cleopatra VII was treated as a foreign ruler of Egypt. In the twenty first century she has been claimed as Black African. Both readings project modern categories onto a Macedonian Greek queen who spoke nine languages, ruled from Alexandria, and is buried somewhere under the Mediterranean. If you enjoy the show and want to support it, you can buy me a coffee: http...

For a century the story has been that Lord Carnarvon was killed by the curse of Tutankhamun for opening the pharaoh's tomb. The 1909 car accident that wrecked his lungs, the infected mosquito bite, and a modern cohort study of the excavators all point somewhere else entirely. If you enjoy the show and want to support it, you can buy me a coffee: https://paypal.me/podcast8

Every parent has said it, and most parents believe it, because the advice has the force of a piece of folk wisdom that has been passed down for at least three generations. Put on a hat, because you lose most of your body heat through your head. The advice is wrong, and the wrongness has been known to the relevant scientific community for at least two decades, and the wrongness is, in its small way...

You have heard the stories since childhood, and you have heard them in the same tone people use for the worst things in the European past, the dungeons, the racks, the auto da fe, the grand spectacle of ecclesiastical cruelty, the Spanish Inquisition as a byword for a kind of religious sadism the modern world has mercifully left behind. The picture is almost entirely a picture. The actual numbers,...

You have heard the saying your entire life, and you have heard it with the confident tone of a person sharing a piece of folk wisdom that has the force of a natural law. The saying is not folk wisdom, and the physics is so simple that the National Weather Service has a page debunking it, and the Empire State Building has been hit roughly twenty three times a year for ninety years. If you enjoy the...

You have been told since childhood that the sun is yellow, and the children's drawings, the emoji on your phone, and the weather icon all agree. The colors are slightly wrong, and the reason is one of the most beautiful small pieces of nineteenth century physics, Rayleigh scattering. If you enjoy the show and want to support it, you can buy me a coffee: https://paypal.me/podcast8

You have heard for years that Eskimos have a hundred words for snow, and you have probably heard it with the satisfied confidence of someone who knows a fun fact about the world. The number, as best the historical record can determine, was four when it was first written down, and a chain of journalists, textbook writers, and lazy scholars spent a hundred and ten years inflating it. If you enjoy th...

A modest 1993 study with thirty six college students and ten minutes of a Mozart sonata briefly improved their scores on a paper folding puzzle, and a few years later the State of Georgia was giving every newborn a free Mozart CD. The journey from one short paper to a national baby industry is one of the cleanest case studies in modern science writing, and one of the most damning. The original fin...

You were told as a child that if you picked up a toad you would get warts, and the toad itself seemed to confirm the warning, sitting there in the grass covered in little bumps that looked like the things you were trying to avoid. The bumps were never warts, and the half truth has been dutifully passed down for centuries. If you enjoy the show and want to support it, you can buy me a coffee: https...

For a century and a half the popular imagination has been sure that the ancient Romans had a special room at every feast where they could throw up their dinner and start over. There was a word for it, and the Romans used the word too, but the Romans meant something completely different by it. A five hundred year old piece of crowd engineering is the thing the world has been calling a puke closet....

You have probably said, or at least thought, that Chinese food gives you a headache, and that the culprit is the MSG. Half the world agrees. Sixty years of research say the culprit is something else, and the story of how a one-paragraph letter to a medical journal became an international panic is one of the strangest case studies in modern science. If you enjoy the show and want to support it, you...

In a thousand Chinese restaurants there sits the same golden figurine, the fat man laughing with his belly exposed, and everyone from the waiter to the menu calls him Buddha. He is not. He is a specific historical person, and the story of how he got that seat by the register is stranger and warmer than any mistake. If you enjoy the show and want to support it, you can buy me a coffee: https://payp...

You have known since childhood that diamonds are one of the rarest substances on Earth, which is why one costs two months of your salary. But geologists have been quietly saying something else for a century. This is the story of how a common stone became a fortune, and what an advertising agency had to do with it. If you enjoy the show and want to support it, you can buy me a coffee: https://paypa...

Somewhere in your memory, a teacher or a documentary told you that in the Middle Ages nobody lived past thirty. The average life expectancy really was somewhere in the thirties, but the reason is almost the opposite of what you picture. Most people did not drop dead at thirty. The truth has to do with who was counting, and when they started counting. If you enjoy the show and want to support it, y...

Every Halloween the same green, flat-headed creature with bolts in its neck gets called Frankenstein. But in the novel that started it all, Frankenstein is the scientist who made the monster, and the monster has no name at all. This is the story of how the doctor lost his name, how the creature stole it, and why the confusion is more meaningful than any correction. If you enjoy the show and want t...

Somewhere in your memory there is a warning: a rusty nail is a needle full of poison, and if you step on one you might get tetanus. The rust is innocent. The real culprit is a bacterium that lives in dirt and soil, and the nail is just the delivery vehicle that carries it deep into an airless wound. If you enjoy the show and want to support it, you can buy me a coffee: https://paypal.me/podcast8

You have heard the punchline: an elderly woman spilled hot coffee on her own lap, sued McDonald's, and was handed millions for her greed. But Stella Liebeck was a passenger in a parked car, she suffered burns so severe she needed skin grafts for two years, and the company had ignored over seven hundred prior complaints about its near-boiling coffee. The laughable story is a carefully spun lie. If...

We all know the story: the mad Emperor Nero fiddled while Rome burned, indifferent to his city's destruction. But the fiddle hadn't been invented yet, Nero wasn't even in Rome when the fire started, and his political enemies spent two thousand years making sure you never heard about the relief effort he actually organized. If you enjoy the show and want to support it, you can buy me a coffee: http...

We have long accepted that evolution is a brutal contest where only the strongest, fastest, and most aggressive survive. But this episode reveals how a Victorian economist hijacked Darwin's theory to justify ruthlessness, and why biological success is actually about fitting in, making friends, and sometimes, just being lazy.

We were all taught that Ferdinand Magellan was the heroic captain who first circumnavigated the globe, proving the world was round. But the reality is that Magellan died in a chaotic beach skirmish halfway through the voyage, leaving a pardoned mutineer and an enslaved interpreter to actually finish the history-making journey.

The 1918 influenza pandemic killed more people than the Great War it interrupted, and history remembers it as the Spanish Flu. But why was a neutral country blamed for a global catastrophe that likely began in the American Midwest? This episode uncovers how wartime propaganda and censorship allowed the true origin of the virus to escape detection, leaving Spain to take the fall for history's deadl...

We have all heard that logical people are left-brained and creative types are right-brained, a binary label that shapes how we view our own potential. But this episode uncovers the split-brain experiments that started it all to reveal why your brain is less of a divided house and more of a highly connected superhighway.

We all know the idiom about the foolish bird that thinks it can hide by burying its head in the sand. But what if this symbol of willful ignorance is actually a misunderstood survival tactic from one of nature’s most formidable parents?

We’ve all seen the image of the St. Bernard dog carrying a barrel of brandy to save a freezing traveler, and we all know the warming burn of a stiff drink on a cold night. But we uncover why that sensation is a biological lie and how a teenage painter’s artistic license accidentally created one of history's most dangerous survival myths.

We have all been warned that shaving our hair will cause it to grow back thicker, darker, and faster. But does a razor really have the power to alter your DNA, or is this century-old belief merely a trick of the light and touch?