BrainStuff

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. 

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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.

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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.

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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. 

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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.

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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.

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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.

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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.

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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.

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Short answer: Nope! Learn how long it really takes, plus how nuclear weapons helped scientists find the answer, in this episode of BrainStuff.

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