HowStuffWorks_Culture

Have you ever wondered where all the fireflies have gone? Turns out there are several theories. Let Josh set you straight.

This week, Josh and Chuck delve into two emerging -isms: accentism and ageism. Then we take some of your Facebook questions!

This week, Josh and Chuck delve into two emerging -isms: accentism and ageism. Then we take some of your Facebook questions!

Have you ever heard that urine is sterile? Consider the possibility that the person who told you that really just wanted to pee on you. Josh sets you straight.

Have you ever gazed up into the night sky and wondered whether there are more grains of sand on Earth or stars in the universe? Well get back inside and watch this video.

Josh and Chuck discuss Scotland, which now enjoys the dubious distinction of the world's #1 consumer per capita of cocaine, and an abandoned mall in Bangkok that has transformed into a giant koi pond.

Have you ever been relaxing in the bath and then looked at your fingers and shrieked in terror? Calm down and watch this video.

In 1971, a group of psychologists divided college students into guards and prisoners for an experiment. Shortly after that, everybody involved went nuts.

A bed and breakfast is charging its customers $500 for negative Yelp reviews and someone found an Ikea bag filled with human bones. Sound far-fetched? You better believe it!

A bed and breakfast is charging its customers $500 for negative Yelp reviews and someone found an Ikea bag filled with human bones. Sound far-fetched? You better believe it!

Chuck and Josh get to the bottom of ectogenesis - the gestation of fetuses in artificial wombs - and other cool stuff.

If you've made it to your early 20s, you've probably had a tooth problem, meaning that you got more coming in. That's because you haven't evolved all the way yet, man.

You might look fondly upon cuckoo birds because of the cute clocks, but it turns out they're actually kind of jerks. Josh explains.

You've probably heard that you can count the seconds between seeing a lightning strike and hearing thunder to figure out how far away it is. That's pretty much true, and here's why.

There's a restaurant in Taiwan that had a Nazi-themed pasta dish on its menu until recently. Chuck and Josh discuss this and why people in rural India defecate in the open.

Have you ever heard that if a statue of a person on a horse has the horse standing a certain way you can tell if the person the statue's made to represent died in battle? That's not true.

You know those signs that say your speed is monitored by aircraft? Are those liar signs? Find out in this episode of Don't Be Dumb.

In Iceland the population is small enough that inadvertent incest can happen when strangers hook up. Luckily, there's an app for that.

In Iceland the population is small enough that inadvertent incest can happen when strangers hook up. Luckily, there's an app for that.

Some scientists feel like a lack of biodiversity could be the planet's most daunting issue in the future. When species become extinct, it sets off a chain reaction affecting the entire ecosystem. Learn about the biodiversity issues facing our planet.

Has some old man ever told you that you can tell the temperature by counting crickets' chirps? That old man was right!

If you've ever cleared a room after taking off your shoes and socks then prepare to learn why, you dirty sicko.

Have you ever heard that you should avoid going to the hospital in July because you're more likely to die? That's true and it's because of the new doctors (i.e., ghouls).

You know how people tell you they're not contagious when they're sick? They don't know. Learn about the real deal on when you're contagious here.

Every day you produce between one-half to two liters of gas and you pass a lot of it by flatulating. Here's what's going on in your guts that's making you so humiliated in public.