Right Now in BrainStuff

Leaf blowers are convenient, but are they living up to their potential? In this podcast, Marshall examines superchargers, explaining how a leaf blower can (theoretically) perform the same duties. Tune in and learn more about hacking leaf blowers.

BrainStuff: Is Glass A Liquid Or A Solid?

There seems to be a bit of debate over the physical state of glass. Find out about glass' actual state of matter in this episode of BrainStuff.

The QWERTY keyboard is the standard for most computers today, but why are the letters arranged in such a peculiar way? Learn more about the QWERTY keyboard's unusual layout -- and how it compares to the Dvorak design -- in this episode.

BrainStuff: How Does Dry Cleaning Work?

Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this episode of BrainStuff.

Fiber optic cables make long-distance telephone communication and Internet access much more affordable and accessible. Get Marshall's explanation of fiber optic cables in this episode of BrainStuff.

Airing out rugs and mattresses outdoors is a great way to disinfect them, thanks to a little thing called ultraviolet light. Find out how UV light can disinfect everything from rugs to water in this episode of BrainStuff.

BrainStuff: Why Do Your Ears Pop When You Dive Into A Deep Pool?

Have you ever wondered why your ears pop when you plunge into the deep end of a swimming pool? It's all about keeping your ear drum happy, as this BrainStuff episode reveals.

BrainStuff: Why Does Hydrogen Peroxide Foam When Put On A Cut?

Hydrogen peroxide's foaming action is due to the catalase in blood and cells. Check out this episode of BrainStuff to learn how hydrogen peroxide interacts with catalase.

Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast.

Dry cleaning is not actually clean -- instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this HowStuffWorks podcast.

Dehumidifiers remove moisture from the air -- but how does this actually work? Check out this HowStuffWorks podcast to learn more about dehumidifiers.

BrainStuff: Is There A Savant Hiding Inside Your Brain?

Savant capabilities seem extraordinary, but what if they aren't? What if we all have amazing talents embedded in our brains? In this episode, we discuss different techniques that have revealed savant-like qualities in ordinary people.

BrainStuff: Can You See A Satellite In Orbit?

Satellites are fascinating, but for most people they're somewhat mysterious. They float somewhere in space, invisible to the naked eye -- or are they? In this episode of BrainStuff, our hosts explain the physics behind satellites and orbits.

BrainStuff: How Does The Horizon Work?

When you stand at the water's edge and look out toward the horizon, how far away can you actually see? Check out this episode of BrainStuff to learn more about the horizon and the curvature of Earth.

Just hearing about yawning can make you yawn, and no one is sure why. Learn more about yawns and yawning in this HowStuffWorks podcast.

BrainStuff: BrainStuff Outtakes 02

BrainStuff Outtakes.

BrainStuff: Is There A Perfect Balloon?

If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this episode of BrainStuff to learn the science behind balloons and vacuum.

Nobel Prizes are highly prestigious, valuable awards that have been given out to visionaries and pioneers in select fields since 1901. Tune in to find out more about the Nobel Prize in this episode of BrainStuff.

BrainStuff: How Does Popcorn Work?

Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this episode of BrainStuff.

Your IQ, or intelligence quotient, is a reflection of how well you perform on a specific test that measures cognitive abilities. Learn more about IQ tests in this episode.