Brainstuff

When fish abandon unhealthy coral reefs, the whole ecosystem can collapse -- but new research shows that playing sounds from healthy reefs can lure fish back, helping stabilize the reef. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

New research indicates that permanent hair dyes and hair straighteners can increase women's risk of breast cancer. Remember, cancers are caused by many genetic & environmental factors -- but learn what the researchers found in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When something or someone is particularly emblematic of the U.S., we often say they're 'as American as apple pie'. Learn the history of apple pie, plus how that phrase got started, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

School buses are much safer than other vehicles on the road, statistically speaking, but they'd be even safer with seat belts. Learn why they haven't traditionally had them, and how that might change, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Museums and movies alike feature representations of dinosaurs, but how can we reconstruct their appearance from a bunch of million-year-old fossils? Learn what we can (and can't) glean from the fossil record in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

One unpleasant effect of drinking alcohol can be the collection of symptoms known as a hangover -- a pulsing headache, dry mouth, nausea, and more. Learn what's actually happening to your body -- and whether there's any way to fix or prevent it -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The two aren't interchangeable -- baking powder consists of baking soda plus other stuff. Learn how both work -- and how to make baking powder from soda -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Spoiler alert: Yep, Dr. Seuss modeled the Grinch on himself. Learn how the generally joyful writer created such an infamous sourpuss in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Champagne is a type of sparkling wine made under a particular set of rules to protect it from imitators -- but it wasn't always so prized. Learn the history and science of what goes into a bottle of bubbles in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The tradition of dropping a ball in Times Square to mark the beginning of a new year only goes back about a century. Learn about the history -- plus four weird things that other cities drop instead -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Though it started as a symbol of nuclear disarmament, the peace sign has grown to apply to (and be applied to) all kinds of things -- but the creator didn't mind; he'd hoped it'd take off. Learn the history of the peace sign in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It’s true – some people hear colors, or taste words. Learn how synesthesia works in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There's a lot of natural variation in the color of human hair. Learn the physical explanation for the difference in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

We all know "stop, drop, and roll," but a new fire safety tip is equally important: "close before you doze". Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Yes, there's a secret apartment atop the Eiffel tower -- and it's filled with science! Learn how it came to be -- and how it actually saved the tower from destruction -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Bing Crosby and hundreds of other singers have expressed their desire to see snow on Christmas, by why? Learn the history of this popular holiday song in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

How could a reindeer have developed a glowing red nose, and how does it work? Learn the science behind Rudolph the red-nosed reindeer's distinctive feature in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Male humans very rarely lactate, so why do they have nipples? Learn why evolution didn't edit that feature out in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You may have heard that the Brontosaurus never existed, but that isn't quite right. Learn how a feud between ex-friends created confusion surrounding this dinosaur in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If the sound of gum being chewed or the crinkle of plastic fills you with inarticulate, homicidal fury (or any other inexplicable emotion), you may be experiencing misophonia. Learn how researchers think it works in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.