Brainstuff

How can a single piece of glass look like a mirror from one side but a window from the other? Learn how materials technology makes it possible in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Birds and other animals can learn to "talk" to one another, and even work together to spread warnings about predators nearby. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The bigger that numbers get, the harder they are for us to conceive of -- but that doesn't mean they can't be useful. Learn about some just ridiculously huge numbers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Better out than in. Learn why a politely covered sneeze beats holding one back in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Figuring out what foods were on ancient menus can be tricky, but a mummy called Ötzi the Iceman was preserved with his last meal still intact. Learn what scientists found out about his eating habits in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sports stadiums have a lot of grass that needs to be fertilized, and a lot of urine to dispose of. Learn how researchers are working to solve both problems at once in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Erasers lift our mistakes right off the page, but it's not magic -- it's the microscopic physics of stickiness. Learn how erasers work in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Every day, millions of people safeguard themselves against excessive sweat with a quick roll of antiperspirant. But what does this stuff do, exactly? Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Plenty of things are scary these days, so why do people pay good money to see horror movies and go to 'haunted' houses? Learn why psychologists say these fearful experiences are helpful in this episode of BrainStuff.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Fitness enthusiasts often talk about macros and micros. Learn what they are and how much you should be eating in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The hypothesis that today's birds evolved from dinosaurs isn't new, but recent research has filled in clues about exactly how that happened. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A president's approval rating may seem like just another number, but statistically speaking, it can have a huge impact on American politics. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Toothpaste actually predates the toothbrush in dental hygiene's history. Learn the long history behind this everyday item in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Sure, scent hounds' noses are powerful tools -- but their ears may be the secret to their success. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Process cheese, often called American cheese, is super inexpensive, consistent, shelf-stable, and orange. Learn how this science cheese is made in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Celebrities and Instagrammers have been singing the praises of activated charcoal as a health supplement, but why? Can it really help make you healthier? Learn the science behind the activated charcoal fad in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Museums collect all kinds of art and artifacts -- this one collects pieces of broken hearts. Learn about some of the items and stories held in the Museum of Broken Relationships in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Like many fringe theories, the idea that there's a massive conspiracy to conceal a known cure for cancer is mostly misplaced wishful thinking. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Despite their name and their somewhat scary appearance, 'Vampyroteuthis infernalis' squid aren't blood-suckers. Learn why they're pretty cool anyway in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Carbon dioxide is a waste product of gasoline- and coal-burning engines, and it's a serious pollutant. But what if we could capture that carbon and recycle it into usable fuel? Learn why researchers say we're getting close in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.