Episode Archives

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

They’re the bad boys of the numerical system.  You never know when one is going to crop up, or why.  Mathematicians have agonized over their mysteries for years, some predicting a mystical order where only chaos appears.  In this hour of To the Best of Our Knowledge, the world of prime numbers...Read more

To The Best Of Our Knowledge

Science and the Search for Meaning: Five Questions, Part One: What is Life?

Scientists can now explain virtually every stage of the evolutionary process.  But there’s a basic question that still mystifies even the best scientists: How did life first begin on Earth...Read more

To The Best Of Our Knowledge

What animals will still be living in the year 3000?  Forget about tigers, rhinos and pandas.  They’ll go the way of the dodo bird.  But scientist Peter Ward says rats and coyotes will flourish.  In this hour of To the Best of Our Knowledge the future of evolution.  Also, best-selling novelist...Read more

To The Best Of Our Knowledge

Are you deadline driven?  Most focused, most productive as “zero hour” approaches?  Well, what about the ultimate end, the true end of the time frame. 

Deadline, indeed. 

How does knowing that you’re going to die affect your life?  In this hour we’re minding mortality.Read more

To The Best Of Our Knowledge

American flags are everywhere.  U.S. soldiers are once again heroes.  And some people say it’s downright unpatriotic to criticize the president or the war against terrorism.  In this hour of To the Best of Our Knowledge, the new meaning of patriotism and the crackdown on dissent....Read more

To The Best Of Our Knowledge

How do you soak in the essence of a city?  In New York, writer Colson Whitehead goes walking ... through Times Square, along Broadway, down into the subway.  In Memphis, critic Robert Gordon listens to its music - the blues, soul, rock-n-roll.  Next time on To the Best of Our Knowledge, we’ll...Read more

a house

The American middle class used to be living proof that the American dream was alive and well, providing homes and modest savings to anyone willing to work.  It’s another story today.  In this hour, the decline of the middle class.  How rising levels of income inequality shattered...Read more

To The Best Of Our Knowledge

The geography of organized religion in America is changing. Today, more and more Americans identify themselves as spiritual, rather than aligning themselves with a particular religion. They're cobbling together faith and spirituality from sources all over the world, picking and choosing the...Read more

To The Best Of Our Knowledge

When somebody asks Josh Ritter what kind of music he plays, sometimes he ends up lying. After all, Ritter's music is hard to describe - a little bit rock n' roll by way of Bruce Springsteen with a twist of Bob Dylan. Anyway you describe it, Josh Ritter has arrived. We'll get inside the music...Read more

To The Best Of Our Knowledge

Scientists are discovering how plants secretly talk to each other.  How smart is your geranium, and what does a tree know?  Today, we're eavesdropping on the secret language of plants.Read more

To The Best Of Our Knowledge

We are connected -- probably connected in ways neither of us has dreamed of. Forget six degrees of separation; on Facebook we have only 3.74. And that's just today.Read more

To The Best Of Our Knowledge

American citizens worry about suicide bombers on airplanes, but intelligence analysts say the real threat today is in cyberspace. Cyber attacks on American companies and military installations are on the rise. Could terrorist hackers take down America's power grid? Or financial networks. In...Read more

To The Best Of Our Knowledge

When Meg Gaines was diagnosed with terminal cancer, her doctor told her to go home and think about the quality, not the quantity, of her days.  Instead she grabbed him by the bow-tie and said “I don’t think you understand.  I intend to live.”  Today Meg Gaines is helping other cancer patients...Read more

To The Best Of Our Knowledge

When your country doesn’t live up to its own values, what do you do?  Put your head under the covers or man the barricades?  Fighting for freedom means different things to different people. In this hour,  we talk with some of them -- from Wikileaks’ controversial founder Julian Assange, to the...Read more

To The Best Of Our Knowledge

By today’s medical definition, Brad Pitt is overweight, and Russell Crowe is obese.  The standards are even tougher for women.  But are those extra pounds really that bad?  Maybe it’s time we all lighten up about fat.  In this hour of To the Best of Our Knowledge, why one expert says America’s...Read more

To The Best Of Our Knowledge

Linus has his security blanket.  Renowned neurologist Oliver Sacks had the Periodic Table of the Elements.  In this hour of To the Best of Our Knowledge, My Chemical Life.  Oliver Sacks remembers a childhood steeped in chemistry.  Also, Primo Levi survives Auschwitz, through chemistry.  And,...Read more

To The Best Of Our Knowledge

According to a "New York Times" poll he's the third most famous person in Japan, right behind Hirohito and Bruce Lee. But the truth is he's not even a person, he's a giant green, radioactive lizard named Godzilla. In this hour of To the Best of Our Knowledge we'll explore the history of...Read more

To The Best Of Our Knowledge

What's the centerpiece of the American Dream? Is it our belief that you can pull-yourself-up-by-your-boot-straps? Maybe it's our rugged individualism? Or maybe, just maybe, it's the lawn. In this hour of To The Best Of Our Knowledge the obsessive quest for the perfect lawn. Also, a little bunny...Read more

To The Best Of Our Knowledge

You know who they are – the cool kids – those above-it-all taste-makers whose fashion and entertainment choices predict what everyone else will be wearing and doing next year.  What’s their secret?  In this hour of To the Best of Our Knowledge exploring cool.  A frustrated surfer remembers...Read more

To The Best Of Our Knowledge

The thrill of victory… the agony of defeat.  And the human drama of athletic competition.  We love sports. And every 4 years we get the pleasure to watch amateur athletes, at the top of their game, compete in the Olympics.  And that got us thinking about competition.  Because that’s what it’s...Read more

To The Best Of Our Knowledge

Rising sea levels, brutal storms and droughts, record temperatures...is there anything we can do about climate change? As world leaders gather at the Paris Climate Summit, we consider a range of proposals - from geoengineering and new green technology to a post-carbon economy.   Read more

To The Best Of Our Knowledge

On a scale of one to ten, how happy would you say you are right now?  If someone could teach you how to be even happier, would you be interested?  Next time on To the Best of Our Knowledge, how to boost your happiness IQ.  Also, eating for pleasure, with chef and food writer Deborah Madison. ...Read more

To The Best Of Our Knowledge

The mind and the body meet in the brain.  In this hour of To the Best of Our Knowledge, two of the world’s top brain doctors claim that what you feel affects how you feel.  Dr. Norman Rosenthal, the man who discovered Seasonal Affective Disorder (SAD), says there’s an Emotional...Read more

Towering radio

We remember the magical moments of chemistry in certain interviews; the brilliant sound design that emerged from particular studio sessions; the stories that took us places and those that changed us.Read more

Pages