BrainStuff

Latest Episodes:

What is a stratospheric aerosol? Mar 24, 2014

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Stratospheric aerosols have been proposed as a new way to combat global warming -- but what's the science behind this proposal? Discover how stratospheric aerosols would work in this podcast from HowStuffWorks.com.

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Tiny Houses Mar 19, 2014

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Tiny houses are part of a growing trend, but why would someone want an itty bitty house? In this episode, Marshall talks about the benefits and challenges of building a tiny home.

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What is a Nor’easter? Mar 10, 2014

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Nor'easters are storm systems that frequently occur in the eastern United States during winter. In this episode, Marshall explains where Nor'easters get their name, how they work and why some Nor'easters are more powerful than others.

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How do smoke detectors intercommunicate? Mar 07, 2014

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Some AC-powered smoke detectors are wired to communicate with each other. So when one unit is triggered, all of the units go off. Find out how this intercommunication works in this episode.

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Where did the potato chip come from? Mar 05, 2014

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Potato chips were invented in 1853 by an American cook named George Crum, and they've been a popular food item ever since. Learn more about George Crum and the evolution of the potato chip in this episode of BrainStuff.

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What causes poison ivy blisters? Mar 03, 2014

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When people get a rash from poison ivy, their bodies are reacting to a chemical called urushiol. Check out this HowStuffWorks podcast to learn more about poison ivy rashes.

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How do mood rings work? Feb 28, 2014

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Mood rings claim to reflect changes in your emotional state -- and, in a way, they do. Discover the science behind mood rings in this episode of BrainStuff.

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What makes your knuckles pop? Feb 26, 2014

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Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff.

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Could I see a flashlight beam from Earth on the moon? Feb 24, 2014

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If you shone a flashlight beam from Earth, would you be able to see it from the moon? It depends. Find out why -- and get a lesson in how light works -- in this episode of BrainStuff.

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Why do tools have "drop forged" stamped on them? Feb 21, 2014

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Tools that say "drop forged" have been created using a technique called drop forging. Find out how drop forging and several other kinds of forging work, and why drop forging is a sign of a sturdy tool, in this episode of BrainStuff.

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