

BrainStuff
iHeartPodcasts
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
Episodes
Mentioned books

Nov 14, 2012 • 4min
What does RSVP mean?
Most people are familiar with the concept of replying to a party invitation via R.S.V.P., but what exactly do those letters represent? Learn more about the origins and practices of etiquette in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Oct 24, 2012 • 3min
How does gravity work?
Gravity affects us every single day, but how does this oh-so-common force of nature work? Tune in to this podcast from HowStuffWorks.com to take a look at the nuts and bolts of gravity. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Oct 22, 2012 • 2min
Why is there a small hole on the top of spray can lids?
Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping and air pressure. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Oct 1, 2012 • 3min
Why doesn’t the vacuum of space suck away Earth’s atmosphere?
It's often said that "nature abhors a vacuum." If that's true, then why doesn't the vacuum of space suck away our atmosphere? Tune in as Marshall Brain explains the science behind vacuums in this HowStuffWorks podcast. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sep 28, 2012 • 2min
How Replacing Toilets Work
A family of four can consume more than 300 gallons of water per day. Old toilets use 5 gallons per flush, and this water use quickly adds up. Check out this HowStuffWorks podcast and learn why cities across the US are replacing their old commodes. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sep 21, 2012 • 3min
What do those plastic recycling symbols mean?
A typical recycling symbol on plastic looks like a triangle made of arrows. There are seven different types of plastic indicated by the symbols. Check out this HowStuffWorks podcast to learn the difference between each of these plastic types. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sep 17, 2012 • 2min
How does a Fresnel lens work?
The thin piece of plastic called a Fresnel lens solves some of the problems inherent in traditional magnifying lenses. Learn more about the benefits and weaknesses of Fresnel lenses in this podcast from HowStuffWorks.com. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 31, 2012 • 3min
What makes your arms, legs and feet fall asleep?
When you put prolonged pressure on your feet, arms or legs, you temporarily cut off or scramble communications between your brain and your body parts. Marshall explains exactly what happens when body parts "fall sleep" in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Aug 27, 2012 • 5min
Why is the Nissan Leaf such a big deal?
Nissan recently released the Leaf, a model which may be the first viable electric car to come on the market. How does it work? Why do people have high hopes for it? Tune in to this podcast from HowStuffWorks.com to find out more about the Nissan Leaf. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Jul 20, 2012 • 2min
What do the brake warning lights mean in my car?
The brake warning lights in your car light up as part of a routine test. When they stay on, they indicate that there's something wrong with your brake system. Learn more about brake warning lights in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.


