BrainStuff

We spend somewhere around a third of our lives sleeping, but why? Learn what happens when you sleep (and what happens when you don't) in this episode of BrainStuff.Learn more about advertising on...

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this episode of...

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this episode of...

This horned holiday demon has entered our pop culture consciousness, but where do Krampus legends come from? Learn about the history of Krampusnacht in this episode of BrainStuff. Learn more about...

This horned holiday demon has entered our pop culture consciousness, but where do Krampus legends come from? Learn about the history of Krampusnacht in this episode of BrainStuff.Learn more about...

The ways we think about funerals are bound to change over time, but the 1960s was a real turning point. Learn more in this episode of BrainStuff. Learn more about your ad-choices at...

The ways we think about funerals are bound to change over time, but the 1960s was a real turning point. Learn more in this episode of BrainStuff.Learn more about advertising on the HowStuffWorks...

Neanderthals were more like us than we previously thought, but could they laugh? Learn why researchers think they could in this episode of BrainStuff. Learn more about your ad-choices at...

Neanderthals were more like us than we previously thought, but could they laugh? Learn why researchers think they could in this episode of BrainStuff.Learn more about advertising on the...

Gelatin makes Jell-O wiggle and provides texture to all sorts of products, but what is it made of? Learn what's happening on a molecular level when you use gelatin in this episode of BrainStuff....

Gelatin makes Jell-O wiggle and provides texture to all sorts of products, but what is it made of? Learn what's happening on a molecular level when you use gelatin in this episode of...

Humans are one of the only mammals to commonly experience balding. Learn the science behind thinning hair in this episode of BrainStuff.  Learn more about your ad-choices at...

Humans are one of the only mammals to commonly experience balding. Learn the science behind thinning hair in this episode of BrainStuff. Learn more about advertising on the HowStuffWorks podcasts...

Your voice sounds different in recordings than it does to your own ears, but why? Learn the science behind this phenomena in today's classic episode of BrainStuff. Learn more about your ad-choices...

Your voice sounds different in recordings than it does to your own ears, but why? Learn the science behind this phenomena in today's classic episode of BrainStuff.Learn more about advertising on...

The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit of measurement in today's episode of BrainStuff....

The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit of measurement in today's episode of...

Researchers, like zombies, are interested in brains of all kinds. Learn a few basics about how donating your brain to science works in this episode of BrainStuff. Learn more about your ad-choices...

Researchers, like zombies, are interested in brains of all kinds. Learn a few basics about how donating your brain to science works in this episode of BrainStuff.Learn more about advertising on the...

The fishing industry accidentally kills millions of sharks every year, but researchers think they've found a seriously inexpensive solution. Learn how it could work in this episode of BrainStuff....