Homer called salt a divine substance. Salt taxes built empires across Europe and Asia. They even sparked a revolution. In this hour of To the Best of Our Knowledge, why salt is no ordinary rock. We’ll tell you how it’s changed the course of history. Also, the...Read more
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Episode Archives
It will go down as one of the most amazing archeological discoveries in history. Homo naledi - a new species of human-like fossils found in South Africa - is already rewriting the story of human evolution. These 15 skeletons are the largest cache of pre-human bones ever found. But so far,...Read more
Your mother always told you money can’t buy happiness. Well, she was wrong. And economists have calculated the price. In this hour of To the Best of Our Knowledge, the high cost of happiness. Also, why we cry: from crocodile tears to the three-hankie movie. Writer Andrew Solomon’s struggles...Read more
When and how did the universe begin? Why is there something rather than nothing? In this hour of To the Best of Our Knowledge, we'll tackle the big questions about the universe. From Stephen Hawking's latest ideas about parallel universes and theories of everything to the quantum physics of...Read more
If you've ever been alone on Valentine's Day, you probably know how isolating it can be to feel like the only single person in a world full of happy couples. But being alone doesn't have to be shameful. This hour, we're changing the script and making the case for the lovelorn, the loners, the...Read more
We may think it’s pretty clear what is – and isn’t – science, but history is littered with cases where the line wasn’t so obvious. For instance, Isaac Newton studied alchemy, and Galileo was a practicing astrologer. This hour explores the edges of science, and we hear about the...Read more
Larry Brilliant is a doctor, co-founder of the digital social network the Well, and he was the first executive director of Google.org. But back in the Sixties, he was a hippie doctor who joined Wavy Gravy's traveling bus caravan and then landed in an Indian ashram in the Himalayas, where his...Read more
Sometimes, a single word speaks volumes about its era. Sputnik conjures up both the heady excitement of the early Space Race and the whole scary history of the Cold War. In this hour, To the Best of Our Knowledge touches on a few of these cultural touchstones....from Sputnik to Snoopy. We'll...Read more
Are you afraid of getting old? Most people are, but studies show we're usually happier in our 60s and 70s. Aging often brings wisdom and resilience - and a new creative spark. We celebrate the fine art of aging - and hear about some artists who remade their careers late in life.Read more
East Meets West
Part Four
Imagine growing up in Pakistan. Islam is a way of life. You get up every morning at 4:30 to pray. Then when you're 18, you move to the American Midwest, Iowa, to attend college. That's the story Kumail...Read more
East Meets West
Part Five
Tariq Ramadan is a controversial philosopher who believes Muslims can thrive in secular, Western society. Ayaan Hirsi Ali disagrees. She's an equally controversial figure who's living under a death threat...Read more
No matter what quiet corner of America you inhabit, you’ve heard about NASCAR. You may not understand it. You may not get it. But while you weren’t paying attention, those cars, driving in circles for hours, became our national pastime. In this hour of To The Best Of Our Knowledge, car racing....Read more
The physics world has a darling - it's called string theory. The idea that the universe is composed of infinitesimal vibrating strings. String theory has been the subject of bestselling books, popular TV series and countless articles. But is it a dead end street? In this hour of on To the...Read more
What do Oprah Winfrey, Tom Cruise and Madonna have in common? Not much, except the kind of blazing fame that turns relatively normal people into obsessive fans who would walk ten miles through a blizzard just to stand in celebrity garbage. In this hour of To the Best of Our Knowledge...Read more
The most mysterious musical instrument in the world lives inside your body. Your voice. You can’t see it, can’t touch it, and yet – it expresses all of who you are. On this episode of To the Best of Our Knowledge, we’ll explore they mysteries of the voice. We’ll hear from soprano Renee...Read more
What do the opening notes of Beethoven’s “Symphony Number Five” and a rabbit named Oolong balancing a pancake on his head have in common? They’re both examples of memes – units of culture that are imitated and, as a result, copied from one brain to another. Are memes the driving...Read more
Boots on the Ground: Stories from the War in Iraq
Part One
Iraq. April 6, 2004. This day marked the Marines' heaviest fighting since Vietnam and was the start of the Iraqi insurgency. By the end of the day more than 40 Marines and...Read more
For all the amazing discoveries that scientists have made, the cosmos is still full of mysteries - from dark matter to quantum entanglement. Will physicists ever explain the universe, or is it fundamentally unknowable? We explore the frontiers of physics and ponder what it means to live with...Read more
Peggy Orenstein didn't want children. At least she didn't think so. Children killed careers and turned smart, professional women into drones. Well, that's what Orenstein was afraid of, anyway. But after a death in the family, she changed her mind. In this hour of To the Best of Our Knowledge, to...Read more
How much time do you spend thinking about the future? Oh sure, you’ve probably got plans for the weekend or are thinking about how your kids are doing in school.
But how much time to do we spend – as a nation, a global community – thinking about what our lives might look like in 50 or 100...Read more
In this hour of To the Best of Our Knowledge, choosing the life you want. Colette’s biographer talks about how the great French writer stayed saucy and sexually active into old age. Kay Redfield Jamison takes a look at the end of life - a view of the suicide epidemic. And...Read more
Dan Janzen is one of the world’s leading tropical biologists. He’s spent forty years working in the Cost Rican jungle, and there’s one creature that fascinates him above all others - the moth. Janzen has found nine-thousand different species of moth in Cost Rica. In this hour of To the Best...Read more
Julian Barnes is one of England’s most celebrated novelists. He’s fascinated by the ways our minds play tricks with memory, especially as we age. It’s the subject of his Booker Prize winning novel “The Sense of an Ending” – one of several new books that explore the minefield of memory. We...Read more
Every sixty seconds, 259 new people show up in the world's cities. No one is building housing for them. No government is planning for them. In this hour of To the Best of Our Knowledge we'll explore the evolving city in a world of a billion squatters, with another billion on the way.Read more