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2.914 afleveringen, van nieuw naar oud
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How Junk Food Works
26 mei 2015 · 47 min
Junk food is literally that, empty calories of energy that provide little nutritional value and usually are stored as fat. Yet junk food is irresistible and for good reason - companies spend tens of millions engineering it to be that way. Lees meer
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How Color Works
21 mei 2015 · 41 min
Science doesn't have a good explanation for why we sense color, yet it is everywhere and affecting us all the time. But why should minutely different wavelengths of light have such an impact on our moods and motivations? Lees meer
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How Internet Censorship Works
19 mei 2015 · 42 min
Some of it seems innocuous enough: protecting kids from unseemly sites or intellectual property from piracy. But the tools to protect these things are the same that governments can also use to censor ideas and quell dissent. Lees meer
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How Pinewood Derbies Work
14 mei 2015 · 44 min
Tens of millions of Scouts, and their parents, have taken standard blocks of wood and turned them into cars that zip along at up to 20 mph. Learn about the origin, physics and more of Pinewood Derbies in this episode. Lees meer
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Does the FDA Protect Americans?
12 mei 2015 · 58 min
The FDA was the first consumer protection agency in the US. Since 1906, it's been issuing regulations meant to protect Americans from tainted food, ineffective drugs and pacemakers that don't work. But is the FDA too cozy with industries it regulates? Lees meer
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Josh and Chuck Make It Through Male Puberty
7 mei 2015 · 50 min
Around ages 9 or 10 a boy will begin to undergo a magical, surprising, weird, amazing, totally bonkers transformation from childhood to adulthood. To separate fact from myth, Chuck and Josh take on the role of gym teachers and wade into male puberty. Lees meer
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How Therapeutic Hypothermia Works
5 mei 2015 · 49 min
Physicians noticed centuries ago that people exposed to cold temperatures often have amazing recoveries from serious medical emergencies. Now medicine is learning how to purposefully induce hypothermia in order to buy time to fix otherwise fatal trauma. Lees meer
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How Spiders Work
30 april 2015 · 59 min
Spiders are second only to snakes in the dread departemnt, but they're actually very helpful arachnids who are only deadly to humans under the worst case scenario. Of the more than 40,000 species, very few spiders are even venomous to humans. Learn everything you ever needed to know about these 8-legged wonders in today's episode. Lees meer
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How Water Slides Work
28 april 2015 · 35 min
Water slides have been around in one form or another since the Romans. But back then they didn't know what they had on their hands. With the birth of the waterpark in the 1970s, these rides have only gotten more extreme, leading up to the birth of today's water coaster. All this and more in today's episode. Lees meer
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Oh No, Snakes!
23 april 2015 · 49 min
If you think snakes are legless reptile carnivores, then you are exactly right. If you think snakes are here to kill you then you are exactly wrong. Learn more about these fascinating and undeservedly condemned animals in today's podcast episode. Lees meer
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How Clowns Work
21 april 2015 · 46 min
Jesters of some sort have been around since ancient Egypt and China. Our modern clown was invented around 1800 and ever since they have been getting steadily creepier. Lees meer
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How Zero Population Growth Works
16 april 2015 · 51 min
In 1968, Paul Erlich published The Population Bomb, predicting coming famine and mass death. Erlich's predictions didn't pan out but his ideas launched a debate still raging today. Lees meer
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How Slinky Works
14 april 2015 · 50 min
It has been called a "glorified spring", but Slinky is one of the best selling toys of all time. From accidental origins to an unlikely resurrection, Slinky has a pretty great back story. Lees meer
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What's the deal with blood types?
9 april 2015 · 1 uur
Blood types have one of the more interesting backstories in medical history. But as much as we've figured out about them and how they work, we still don't know much about why we even have different blood types. Listen in for a truly fascinating look at your most essential bodily fluid. Lees meer
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Polyamory: When two just won't do
7 april 2015 · 44 min
In this episode of Stuff You Should Know, Josh and Chuck dive into the world of polyamory. Turns out polyamorists aren't weirdos and deviants, they're just regular folks looking for love from more than one person. Learn all you ever needed to know about this unique, but not so modern arrangement. Lees meer
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Thanks, Easter Bunny! Bock Bock!
2 april 2015 · 42 min
Happy Easter from Stuff You Should Know! Learn all about Easter, from its humble beginnings as a pagan holiday to the multi-billion dollar industry it is today. We'll cover the Biblical and religious aspects, along with the origins of some of Easter's greatest traditions. Lees meer
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Does the body replace itself?
31 maart 2015 · 38 min
Does the human body really replace itself every few years? The answer is yes, but different parts of the body do so at different rates. Learn all about which parts of your body are the speediest, and which take the longest to regenerate. Lees meer
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How Desalination Works
26 maart 2015 · 36 min
Why would people want to remove salt from water? To solve the world's water problem, that's why. Learn all about the efforts to desalinate H2O in cheaper and more efficient ways. Lees meer
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10 Bizarre Medical Treatments
24 maart 2015 · 44 min
Medical science has a long and storied history of trying out cures and procedures that later strike us as wacky. And they're still at it today! Learn about bizarre treatments, from opium for children to tobacco smoke enemas in this episode. Lees meer
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Earwax: Live With It
19 maart 2015 · 36 min
Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as your body's defense goes. Lees meer
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How Anesthesia Works
17 maart 2015 · 52 min
The use of general anesthesia is less than 200 years old. Before doctors were able to cause unconsciousness in patients, surgery was brutal for all involved. But despite this advancement in medicine, science still has no idea how it works. Lees meer
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How Tea Works
12 maart 2015 · 51 min
Legend has it that tea was discovered by a curious Chinese emperor after leaves blew into his boiled water. Now tea is the second only to water in popularity worldwide. And despite the varieties of tea, they all come from a single species of plant. Lees meer
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How Fleas Work
10 maart 2015 · 40 min
Fleas are the bane of the existence of pet owners. From their eggs to their lifespan to their feeding habits, fleas are practically designed to be a nuisance. They are parasites, after all. Get down on flea level with Josh and Chuck in this episode. Lees meer
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How Stonehenge Works
5 maart 2015 · 42 min
Even as far back as the Roman invaders, people have had absolutely no idea just what the massive monument complex in England known as Stonehenge was built for. Join Josh and Chuck as they try to get to the bottom of this Neolithic mystery. Lees meer
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How ESP Works(?)
3 maart 2015 · 55 min
Even though almost half of Americans believe in it, ESP usually is treated as a load of bull by skeptics. But some respected researchers have dared to apply the scientific method to investigate ESP and a few have found some surprising results. Lees meer
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Some Movies That Changed Filmmaking
26 februari 2015 · 56 min
An estimated 50,000 films were made worldwide in 2009 alone. Many are surely clunkers, but in this episode Chuck and Josh talk about the ones that emerged throughout cinema history to change the course of all movies that followed. Get your popcorn. Lees meer
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Why Do Lefties Exist?
24 februari 2015 · 40 min
For at least the last 200,000 years, between 10-15% of the human population are left-handed and this fact has utterly left science baffled. In searching to explain handedness, all sorts of contradictory evidence has emerged, creating a fascinating mystery. Lees meer
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How Perfume Works
19 februari 2015 · 57 min
Women consistently rate scent as the most important factor in a man's attractiveness and men have been manipulating that for centuries with scents of all sorts. Learn about the fascinating history -- and, well, art -- of making perfumes in this episode. Lees meer
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Is there treasure on Oak Island?
17 februari 2015 · 37 min
Off Nova Scotia, the tiny spit of land called Oak Island has been host to waves of treasure hunters for more than 200 years. Some of them lost their lives in the search for a treasure reputedly buried in a deep pit. But is anything really there? Lees meer
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What is folklore?
12 februari 2015 · 42 min
What is folklore? Turns out it's just about anything you can think of that's shared by more than two people. Art, literature, stories, dance, music, traditions, even those family heirlooms qualify. Turns out folklore is pretty neat. Learn all about it in today's episode. Lees meer
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How Feng Shui Works
10 februari 2015 · 40 min
Feng Shui is an Asian concept that strives to unlock your chi by how your home or office is arranged. Or at least that's the simplified "Western" version. It's a little more complicated than that in reality. We'll unlock your chi by explaining how feng shui works in today's episode. Lees meer
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How Ice Cream Works
5 februari 2015 · 43 min
We all scream for ice cream, sure, but did you know we're all technically screaming about a colloidal foam? Prepare for deep cravings that will surely emerge as you learn the history of ice cream, how to make it yourself and lots more. Lees meer
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Rainbows: Delighting humanity since forever
3 februari 2015 · 29 min
Rainbows seem to defy nature, but they're really pretty simple when it comes down to it. Turns out it's just light reacting to water droplets in the air. But they sure do look cool. Learn all about how rainbows are formed in today's episode. Lees meer
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How Hot Wheels Work
29 januari 2015 · 41 min
If you're an American who had a childhood, you probably have some nostalgia for Hot Wheels. Get your engines revved for this trip down memory lane as we discuss these fun and iconic toys. Lees meer
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How Poison Ivy Works
27 januari 2015 · 33 min
Poison ivy, oak and sumac are all variations of the same plant and they all can make you itch... if you're susceptible that is. In this episode, you'll learn just about all there is to know about this itch-causing plant, including how to best avoid it. Lees meer
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Nostradamus: Predictor of the future? Not so much.
22 januari 2015 · 38 min
Nostradamus delighted us all in grade school, but it turns out the real guy wasn't quite as prescient as we were led to believe. In truth, he wrote a lot of purposefully confusing riddles that people have twisted into meaning exactly what they want them to mean. Learn all about Nostradamus in today's episode. Lees meer
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How the March on Washington Worked
20 januari 2015 · 43 min
1963 was a huge year of conflict and progress for the American Civil Rights Movement and the March On Washington was the high water mark of that eventful year. Join Josh and Chuck as they get into the story behind the story we learned in school. Lees meer
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Juggling: What the Heck
15 januari 2015 · 47 min
There is a lot - A LOT - to juggling and Chuck and Josh go over the lion's share of it. Delve into the deep history, physics, how-tos and different types of juggling in this surprisingly sweeping look at a putatively innocuous pastime. Lees meer
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How the Scientific Method Works
13 januari 2015 · 1 uur
It evolved over centuries to become the gold standard for conducting scientific inquiry. Yet many people - including some scientists - don't fully understand it. Learn about the basis of how we explore our world in this episode. Lees meer
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How Online Gambling Works
8 januari 2015 · 40 min
Pretty much immediately after the Internet was opened to the world online gambling sites sprang up. Over the last couple decades, U.S. law and online gambling have had an unusual and complicated relationship. Learn the ins and outs of this grey area. Lees meer
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How Jim Henson Worked
6 januari 2015 · 41 min
We've already recorded an episode on The Muppets, but Jim Henson was such a neat guy we delved into him even further. Learn all about the man behind the Muppets who was so much more than just a master puppeteer in this episode. Lees meer
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SYSK Live: How Bars Work
1 januari 2015 · 51 min
Join Josh and Chuck live from Vancouver as they dive in to the ins and outs of one of the oldest businesses in the world - the bar! Learn about the history of bars, cocktails and the good people who put them together in new and amazing ways. Lees meer
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How Sea Monsters Work
30 december 2014 · 36 min
Legends of sea monsters are as old as humanity, and some ancient cultures even credited with creating the universe. Even today when the sea washes something odd ashore we see monsters - we understand there's much more than appears above the surface. Lees meer
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Josh and Chuck's 2014 Christmas Extravaganza!
25 december 2014 · 38 min
It's that time of year again! Time to get cozy and tuck in with Josh and Chuck as they spread glad tidings and warm Christmas cheer. Tune in to hear about Letters to Santa, A Christmas Story, mulled wine and more neat stuff. Lees meer
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How the GED Test Works
23 december 2014 · 32 min
The GED test was once part of a non-profit organization. That all changed in 2014, when it was privatized, made more expensive and more difficult to pass. But that also brought about a couple of more testing options. Learn all about how high school dropouts can earn their equivalent degree in today's episode. Lees meer
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How Cinnamon Works
18 december 2014 · 38 min
In another commodities edition of SYSK, Josh and Chuck dive into the world of cinnamon, once the world's most prized and pricey spice. But did you know it was really just dried up tree bark? Lees meer
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Boomerangs: Magic Sticks of Physics
16 december 2014 · 30 min
The physics behind returning boomerangs literally may be the most difficult concept to understand in the entire body of science. Join Josh and Chuck as they try their absolute best to describe how boomerangs work - and maybe even pull it off! Lees meer
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Homeschooling: Not Just For Hippies and Religious People Anymore
11 december 2014 · 49 min
Back in the 1970s, homeschooling was illegal in the U.S., but after activists of all stripes lobbied lawmakers, schooling kids at home has become a viable option for parents. And as more and more have chosen it, it's become more mainstream. Lees meer
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How The Hum Works
9 december 2014 · 37 min
There is a mysterious droning sound often described as like a diesel engine idling that is severely impacting the quality of life of 2 percent of people in places around the world. The thing is, no one knows what's causing it - or if it actually exists. Lees meer
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How X-Rays Work
4 december 2014 · 38 min
Like many huge discoveries, X-rays were accidentally stumbled upon. That serendipity led to a medical breakthrough still in use today. Learn about how X-rays are created and why they make such delightful images of our bones. Lees meer
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