

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

Dec 16, 2019 • 7min
Why Wasn't 'Groom of the Stool' a Crappy Job?
First, yes, there was once a job in royal courts called Groom of the Stool, and yes, it involved dealing with the king's poop. Learn why it was actually a covetable position in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 15, 2019 • 5min
BrainStuff Classics: Are Pop Rocks Dangerous?
Did Pop Rocks really blow the door off of a delivery van? Has anyone ever died from eating this unique (and uniquely loud) candy? Learn the truth behind the rumors surrounding Pop Rocks in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 14, 2019 • 5min
BrainStuff Classics: Are Humans Still Evolving?
We may not have mutant powers like the X-Men, but natural selection is still changing humanity… for the better. Learn about some of humanity's most useful modern mutations in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 13, 2019 • 4min
When Is Moldy Food Safe to Eat?
Spoiler alert: Sometimes! Not all molds are harmful, and some are even helpful -- but it's not always OK to cut away spots of mold and eat the food it was growing on. Learn when it is in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 12, 2019 • 3min
Why Does Ancient Roman Concrete Outlast Our Own?
Modern concrete crumbles when exposed to the elements, but ancient Roman concrete only gets stronger over time. Learn how this is possible -- and why we're not using their recipe -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 11, 2019 • 7min
Why Do People Still Use Fax Machines?
We live in the incredible future of scanners, internet connectivity, and digital signatures -- so why do people still use fax machines? Learn why faxing perseveres in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 10, 2019 • 4min
How Did a Comma Decide a Court Case?
There's no call to be pedantic, but sometimes a tiny punctuation mark can make a huge difference in meaning. Learn how the Oxford comma changed a judge's decision in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 10, 2019 • 5min
Why Do Noises Other People Make Seem Louder Than Our Own?
Humans and other animals tend to tune out the noises they themselves make. Learn how and why this happens in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 8, 2019 • 7min
BrainStuff Classics: How Long Would It Take To Walk Around The World?
This is a more complicated question than it seems because oceans definitely get in the way, but there are a few ways to attempt to walk around the entire globe -- and a few people who have tried. Learn about them in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dec 7, 2019 • 4min
BrainStuff Classics: Does the Human Body Really Replace Itself Every 7 Years?
Short answer: Nope! Learn how long it really takes, plus how nuclear weapons helped scientists find the answer, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.


