Episode Archives

Filter episodes by the year they originally aired.
To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

You watch two trench-coated boys walk into their  high school and shoot everyone in sight. Then a demon drags them off to be tortured in Hell. No, it’s not the latest video game.  It’s Hell House, a Halloween haunted house put on by a church in Texas. Next time on To the Best of Our Knowledge,...Read more

To The Best Of Our Knowledge

Imagine losing your lover, mother, stepfather and sister in less than eight months. That's what happened to country music singer/songwriter Carlene Carter. Her mother is June Carter Cash and her stepfather is Johnny Cash. Carlene Carter drew on all of this loss and tragedy to create a new album...Read more

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

Any day now, the United States will welcome the three hundred millionth American. He or she may be a new born baby, or someone who comes across the border – legally or illegally.  In this hour of To the Best of Our Knowledge, we’ll look at America’s changing demographics, and consider the price...Read more

To The Best Of Our Knowledge

Jonathan Kaplan is a field doctor who travels to war zones around the world.  He treats people who’ve been shot or maimed.  Many of his patients die on the operating table.  In this hour of To the Best of Our Knowledge what war looks like from the inside.  Also singer/songwriter Steve Earle...Read more

To The Best Of Our Knowledge

Henry David Thoreau died 150 years ago, and he’s still a great American icon.  But have you ever wondered exactly why?  Thoreau wasn’t exactly the model environmentalist he’s often made out to be.  And his account of living at Walden Pond is partly fictionalized; he spent nine years writing and...Read more

To The Best Of Our Knowledge

New Orleans is famous for a lot of things...many of them musical. It's the birthplace of jazz, the cradle of rhythm and blues.  The home of the brass bands.  So it's no wonder that New Orleans is known as "the City that Care Forgot."  In this hour of To the Best of Our...Read more

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

Cosmologist Janna Levin feels cramped.  Thirty billion light years just isn’t enough space for her.  In this hour of To the Best of Our Knowledge, we consider the Universe Beyond Einstein.  Janna Levin tackles the shape and size of space.  Also, we’ll try to catch a gravity wave, marvel at the...Read more

To The Best Of Our Knowledge

Vivek Maddala knows how to tell a good story. He can put a lump in your throat or make you laugh out loud. His themes are timeless and universal. Maddala composes music for silent films. In this hour of To The Best Of Knowledge, how to construct a narrative. From writing silent film music to...Read more

To The Best Of Our Knowledge

Emerging insights from the new science of astrobiology paints a picture of a universe seeded with potential life. While astronomers discover new exoplanets every other week or so, biologists are finding unexpected life in some of the most inhospitable environments on earth. Together, their work...Read more

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

Once upon a time, not so long ago, the classroom filmstrip was everywhere.  They taught us to change our underwear at least twice a week, among other things.  In this hour of To the Best of Our Knowledge we’ll revisit the golden age of classroom filmstrips.  So sit up straight.Read more

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

Tragedy struck Ron Mallett when he was ten years old. His beloved father died and he wanted to bring him back. So he dreamed of building a time machine. Ron Mallett grew up to become a theoretical physicist. Now he studies quantum mechanics and he's still trying to figure out how to go back in...Read more

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

President Obama's surrounded by science advisors. So you might figure he doesn't need to know much about physics, but you'd be mistaken. How is a President supposed to assess the risk of a "dirty bomb," or weigh the pros and cons of various energy sources, from solar power to nuclear energy?...Read more

To The Best Of Our Knowledge

Many of us first met Islam on 9/11 with planes slamming into the World Trade Center – not a very good first impression. In this hour of To the Best of Our Knowledge, a proper introduction, as we talk with Muslims and Westerners who are redefining our relationship. From a Danish cartoonist with a...Read more

scientifically perfect comedy (two men in horse masks)

A little laugh goes a long way. This week, we’re taking a crash course in how to be funny. 

From Chicago’s famous Second City, to a humor research lab, this hour's a laugh riot. We also talk with a laughter coach, Canadian comic Mary Walsh, and longtime New Yorker humorist Ian...Read more

To The Best Of Our Knowledge

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

a man becomes a living cereal bowl

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

To The Best Of Our Knowledge

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

To The Best Of Our Knowledge

Is it any wonder boys don’t read?  Too often they’re assigned the books their female teachers loved.  In this hour of To the Best of Our Knowledge, the man behind the GuysRead website says forget “Little House on the Prairie” and bring on Stinky Cheese Man!  And we’ll hear what happened when the...Read more

Pages