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An automobile’s catalytic converter uses a catalyst to convert harmful exhaust fumes into harmless ones. Find out what happens when your catalytic converter stops working properly — and how you can tell — in this episode.
Bullet-resistant glass, commonly referred to as “bulletproof,” is a special type of glass designed to resist bullets. Tune in to this episode to learn how different types of bullet-resistant glass work.
The smell of rain is often linked with spring, and it’s been alluded to in poems, songs and stories for centuries. But what exactly causes this distinctive smell? Tune in and find out.
Learn more about melting ice caps, global warming and rising sea levels in this episode of BrainStuff.
The Northern Lights, also known as the aurora borealis, occur when charged electrons from the sun interact with the Earth’s magnetic field. Learn more about auroras and solar activity in this episode.
Some clothes have tags that say “wash before wearing” or “wash separately.” Find out why it’s sometimes a good idea to wash new clothes before you wear them in this episode.
Today’s pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn’t lead at all. How does the graphite get in the pencil? Find out in this episode.
Recent Postings by Category
BrainStuff
- Thank You and Best Wishes to Marshall Brain
- Contest – Design a $300 house and win $25,000
- How the Philtrum works – the place under your nose where your face comes together
The Coolest Stuff on the Planet
- Sun, Sand and a Passenger Jet Coming Right for You
- Golden Fields of Canola
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Keep Asking
- Why can a 5 foot 8 inch man dunk a basketball on a 10 foot rim while some people of taller stature can’t?
- What happens to our sun once it runs out of fuel?
- How do we know the age of the universe?
Stuff Mom Never Told You
- Who invented the Christmas card?
- How the Kinsey Report Fueled Whiskey Sales
- How to Get Your Wedding Announcement into The New York Times
Stuff to Blow Your Mind
- Blow Your Mind: Nebula in a Box
- Blow Your Mind: Three Minutes Till Impact
- Touching the Void: Psychedelics and Death
Stuff You Should Know
- Stuff You Should Know at SXSW
- The Southern Death Cult, the Maya and Georgia
- Deformed Baby Spider Brains
The Stuff of Genius
CarStuff
- Listener Mail: What’s the world’s largest engine?
- Listener Mail: What makes a “classic car” classic?
- Was Chrysler’s “It’s Halftime in America” Super Bowl commercial a little too political?
How-to Stuff
- How to Enjoy the Fruits of Your Labor
- How to Travel the World in 4 Days
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PopStuff
- PopStuff Show Notes: Episode 69: Perfume: The Culture of Scent
- PopStuff Show Notes: Episode 68: Astrology: What’s PopStuff’s Sign?
- PopStuff Show Notes: Episode 67: Collecting: PopStuff’s Cabinet of Curiosities
Stuff They Don't Want You To Know
- Good News from the Oldest Mayan Calendar
- One Year Later: Colony Collapse Disorder
- Who Killed Martin Luther King, Jr.?
Stuff to Change the World
- Who will own the Arctic?
- Obesity: The New Global Crisis
- Bill Gates Makes For A Pretty Decent Cartoon
Stuff You Missed in History Class
- Butch Cassidy: Should we read between the lines?
- Are we rooting for D.B. Cooper?
- Party Time: A Look at Unconventional Politics
