Episodes

Air Datesort ascending Title
May 25, 2014
Just For the Fund Of It
From edible bugs to math in “The Simpsons”
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Get ready for déjà vu as you listen to some of our favorite interviews in the past year. It's our annual fundraising podcast. Come for the great interviews, stay for the great interviews. Lend us your support along the way.

What’s for dinner? Maybe fried bugs. Listen as we do a taste test. Speaking of dinner, learn why saliva’s acceptable as long as it’s in our mouth. But dollop some into our own soup, and we push the bowl away.

May 18, 2014
We Can Rebuild It
What goes down must come up.
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What goes up must come down. But it’s human nature to want to put things back together again. It can even be a matter of survival in the wake of some natural or manmade disasters.

First, a portrait of disaster: the eruption of Tambora in 1815 is the biggest volcanic explosion in 5,000 years. It changed the course of history, although few people have heard of it.

Then, stories of reconstruction: assembling, disassembling, moving and reassembling one of the nation's largest T. Rex skeletons, and what we learn about dinos in the process.

May 11, 2014
Smiley Virus
Biological bits we like.
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For many, the word virus is a synonym for disease – diseases of humans, plants, and even computers. Ebola is an example: a virus with a big and terrifying reputation. And yet the vast majority of viruses are not only friendly, they are essential for life.

Find out how viruses make plant life in Yellowstone’s hottest environments possible, and fear your spinach salad no longer: a scientist recruits viruses to defeat E. coli bacteria.

May 04, 2014 Skeptic Check: What, We Worry?
Scientific hand-wringing.
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We all have worries. But as trained observers, scientists learn things that can affect us all. So what troubles them, should also trouble us. From viral pandemics to the limits of empirical knowledge, find out what science scenarios give researchers insomnia.

But also, we discover which scary scenarios that preoccupy the public don’t worry the scientists at all. Despite the rumors, you needn’t fear that the Large Hadron Collider will produce black holes that could swallow the Earth.

Apr 27, 2014
Our Tasteless Show
Evolution of taste and smell
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ENCORE Imagine biting into a rich chocolate donut and not tasting it. That’s what happened to one woman when she lost her sense of smell. Discover what scientists have learned about how the brain experiences flavor, and the evolutionary intertwining of odor and taste.

Plus a chef who tricks tongues into tasting something they’re not. It’s chemical camouflage that can make crabgrass taste like basil and turn bitter crops into delicious dishes – something that could improve nutrition world-wide.

Apr 20, 2014
Happily Confused
Emotion commotion.
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Do you feel happy today? How about happily disgusted? Maybe sadly surprised, or sadly disgusted? Human emotions are complex. But at least they’re the common language that unites us all – except when they don’t. A tribe in Namibia might interpret our expression of fear as one of wonderment. And people with autism don’t feel the emotions that others do.

Apr 13, 2014
That's Containment!
Power grab.
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ENCORE We all crave power: to run laptops, charge cell phones, and play Angry Birds. But if generating energy is easy, storing it is not. Remember when your computer conked out during that cross-country flight? Why can’t someone build a better battery?

Discover why battery design is stuck in the 1800s, and why updating it is key to future green transportation (not to mention more juice for your smartphone). Also, how to build a new type of solar cell that can turn sunlight directly into fuel at the pump.

Apr 06, 2014
Since Sliced Bread
Our greatest inventions.
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Happy Birthday, World Wide Web! The 25-year-old Web, along with the Internet and the personal computer, are among mankind’s greatest inventions. But back then, who knew?

A techno-writer reminisces about the early days of the WWW and says he didn’t think it would ever catch on.

Also, meet an inventor who claims his innovation will leave your laptop in the dust. Has quantum computing finally arrived?

Plus, why these inventions are not as transformative as other creative biggies of history: The plow. The printing press. And… the knot?

Mar 23, 2014
Do the Math
It just adds up.
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ENCORE One plus one is two. But what’s the square root of 64, divided by 6 over 12?* Wait, don’t run for the hills! Math isn’t scary. It helps us describe and design our world, and can be easier to grasp than the straight edge of a protractor.

Discover how to walk through the city and number-crunch simultaneously using easy tips for estimating the number of bricks in a building or squirrels in the park. Plus, why our brains are wired for finger-counting … whether aliens would have calculators … and history’s most famous mathematical equations (after e=mc2).

Mar 16, 2014
You Think; You're So Smart
Brains not required.
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Sure you have a big brain; it's the hallmark of Homo sapiens. But that doesn't mean that you've cornered the market on intelligence. Admittedly, it's difficult to say, since the very definition of the term is elusive. Depending on what we mean by intelligence, a certain aquatic mammal is not as smart as we thought (hint: rhymes with "caulpin") … and your rhododendron may be a photosynthesizing Einstein.

And what I.Q. means for A.I. We may be building our brilliant successors.

Mar 09, 2014
We Heart Robots
Here come the machines.
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ENCORE The machines are coming! Meet the prototypes of your future robot buddies and discover how you may come to love a hunk of hardware. From telerobots that are your mechanical avatars … to automated systems for the disabled … and artificial hands that can diffuse bombs.

Plus, the ethics of advanced robotics: should life-or-death decisions be automated?

And, a biologist uses robo-fish to understand evolution.

Mar 02, 2014
Space for Everyone
Is the final frontier finally opening up?
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Is space the place for you? With a hefty amount of moolah, a trip there and back can be all yours. But when the price comes down, traffic into space may make the L.A. freeway look like a back-country lane.

Space is more accessible than it once was, from the development of private commercial flights … to a radical new telescope that makes everyone an astronomer … to mining asteroids for their metals and water to keep humanity humming for a long time.

Plus, move over Russia and America: Why the next words you hear from space may be in Mandarin.

Feb 23, 2014
Before the Big Bang
More to the story.
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ENCORE It's one of the biggest questions you can ask: has the universe existed forever? The Big Bang is supposedly the moment it all began. But now scientists wonder if there isn't an earlier chapter to our origin story. And maybe chapters before that! What happened before the Big Bang? It’s the ultimate prequel.

Plus – the Big Bang as scientific story: nail biter or snoozer?

Feb 16, 2014
Skeptic Check: Paleo Diet
Eating like a caveman.
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What’s for dinner? Meat, acorns, tubers, and fruit. Followers of the Paleo diet say we should eat what our ancestors ate 10,000 years ago, when our genes were perfectly in synch with the environment.

We investigate the reasoning behind going paleo with the movement’s pioneer, as well as with an evolutionary biologist. Is it true that our genes haven’t changed much since our hunter-gatherer days?

Plus, a surprising dental discovery is nothing for cavemen to smile about.

Feb 09, 2014
Gene Hack, Man
Tapping into DNA.
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ENCORE Computers and DNA have a few things in common. Both use digital codes and are prone to viruses. And, it seems, both can be hacked. From restoring the flavor of tomatoes to hacking into the president's DNA, discover the promise and peril of gene tinkering.

Plus, computer hacking. Just how easy is it to break into your neighbor’s email account? What about the CIA’s?

Also, one man’s concern that radio telescopes might pick up an alien computer virus.

Feb 02, 2014
Stranded
It’s still possible.
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Imagine not knowing where you are – and no one else knowing either. Today, that’s pretty unlikely. Digital devices pinpoint our location within a few feet, so it’s hard to get lost anymore. But we can still get stranded.

A reporter onboard an Antarctic ship that was stuck for weeks in sea ice describes his experience, and contrasts that with a stranding a hundred years prior in which explorers ate their dogs to survive.

Jan 26, 2014
The Pest of Us
Our buggy future.
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Picture a cockroach skittering across your kitchen. Eeww! Now imagine it served as an entrée at your local restaurant. There’s good reason these diminutive arthropods give us the willies – but they may also be the key to protein-rich meals of the future. Get ready for cricket casserole, as our relationship to bugs is about to change.

Also, share in one man’s panic attack when he is swarmed by grasshoppers. And the evolutionary reason insects revolt us, but also why the cicada’s buzz and the beetle’s click may have inspired humans to make music.

Jan 12, 2014
Skeptic Check: Zombies Aren't Real
The undead invade.
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Zombies are making a killing in popular culture. But where did the idea behind these mythical, cerebrum-supping nasties come from? Discover why they may be a hard-wired inheritance from our Pleistocene past.

Also, how a whimsical mathematical model of a Zombie apocalypse can help us withstand earthquakes and disease outbreaks, and how the rabies virus contributed to zombie mythology.

Plus, new ideas for how doctors should respond when humans are in a limbo state between life and death: no pulse, but their brains continue to hum.

Jan 05, 2014
Can We Talk?
Make contact.
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ENCORE You can get your point across in many ways: email, texts, or even face-to-face conversation (does anyone do that anymore?). But ants use chemical messages when organizing their ant buddies for an attack on your kitchen. Meanwhile, your human brain sends messages to other brains without you uttering a word.

Hear these communication stories … how language evolved in the first place… why our brains love a good tale …and how Facebook is keeping native languages from going extinct.

Dec 29, 2013
Animal Instinct
What we can learn
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ENCORE Mooooove over, make way for the cows, the chickens … and other animals! Humans can learn a lot from our hairy, feathered, four-legged friends. We may wear suits and play Sudoku, but Homo sapiens are primates just the same. We’ve met the animal, and it is us.

Discover the surprising similarity between our diseases and those that afflict other animals, including pigs that develop eating disorders. Plus, what the octopus can teach us about national security … how monkeying around evolved into human speech … and the origins of moral behavior in humans.