Brainstuff

Christian defines what white noise actually is and how it's used to mask other annoying sounds. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A vitamin a day keeps you healthy to play. Or does it? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For the vast majority of international travelers, a passport is a necessity. But why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For the vast majority of international travelers, a passport is a necessity. But why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

These insects live in your bedroom, drink your blood and stain your sheets. How do you get rid of them? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Without the moon, how would Earth's environment be affected? Would we survive? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A plumber in Alaska invented a bizarre condiment that launched a multimillion dollar industry, and today ranch is the most popular salad dressing in the US. But what exactly is this stuff? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You’ve heard of fracking, and you’re pretty sure lots of people don’t like it, but do you know how it actually works? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What do fireflies, TVs, neon signs, and glowsticks have in common? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How much does your name actually matter? Are some names going to make you rich, while others make you poor? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you've ever had a few too many beers at a party, then you've probably encountered the symptoms of a hangover -- the pulsing headache, dry mouth, nausea and more. But what's actually happening to you? And what is it about alcohol that can turn a wonderful Saturday night into an agonizing Sunday morning? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sitcoms use laugh tracks all the time. But where do they come from? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The recorded sound of your voice usually makes you cringe because of two ways vibrations reach your ear. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When the President travels the friendly skies, he does it in style. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

People who smoke pot have a reputation for being forgetful or absentminded. But what's the real science behind this? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Can we really reconstruct a dinosaur’s appearance from a bunch of million-year-old fossils? How? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Why do some foods affect our dreams? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Men don’t usually lactate – but they can! Christian explores how breast tissue develops in human embryos of both sexes, and explains why mice are more advanced, evolution-wise. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Some people sense a sweet, euphoric odor when pumping gas into their car. Why is that? And is it hazardous? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

From eldritch aspen colonies to immortal jellyfish, the world is lousy with long-lived organisms. But what’s the oldest? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.