Right Now in BrainStuff

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.

Could Recycled Urine Make Sustainable Fertilizer?

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.

BrainStuff Classics: How Do Erasers Erase?

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.

BrainStuff Classics: How Do Antiperspirants Work?

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.

Why Does It Feel So Good To Be Scared?

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. 

What Are Macronutrients and Micronutrients?

Fitness enthusiasts often talk about macros and micros. Learn what they are and how much you should be eating in this episode of BrainStuff.

What Kind of Dinos Did Today's Birds Evolve From?

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.

When Do Presidential Approval Ratings Really Matter?

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.

What's the History of Toothpaste?

Toothpaste actually predates the toothbrush in dental hygiene's history. Learn the long history behind this everyday item in this episode of BrainStuff.

Why Do Hounds Have Floppy Ears?

Sure, scent hounds' noses are powerful tools -- but their ears may be the secret to their success. Learn why in this episode of BrainStuff.

BrainStuff Classics: What Is American Cheese Really Made Of?

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.

Should You Really Eat Activated Charcoal?

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.

What Is the Museum of Broken Relationships?

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.

No, There's No 'Secret' Cure for Cancer

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.

What Are Vampire Squid?

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.

How Close Are We to Recycling Carbon Dioxide Emissions?

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.

How Did the U.S.-Mexico Border Become Such a Flashpoint?

The border between the United States and Mexico is at the center of much political and social debate in 2018 -- but how did we get here? How much crime really crosses the border? Learn more in this episode of BrainStuff. 

Why Did Victorians Think Green Tea Causes Hallucinations?

We attribute lots of potential health effects to green tea, but the Victorians had a strange one: they thought it caused hallucinations. Learn why in this episode of BrainStuff.

Do Boys and Girls Bully Differently?

From a young age, male and female bullies develop different ways of getting under their targets' skin. Learn more -- plus how to help kids combat girl-style bullying -- in this episode of BrainStuff.

How Can Robots Help Catch Poachers?

Robotic animals can help law enforcement agents catch poachers in the act -- but only if the robots are convincing enough. Learn a few things engineers are doing to make their robots more realistic in this episode of BrainStuff.