BrainStuff

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...

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 advertising on the...

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...

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 advertising on the HowStuffWorks podcasts...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...