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Is a thumbs-up always good? Will making the A-OK sign infuriate your international friends? Tune in and learn more before your next trip abroad.

Turns out that every living thing – men, women, animals, plants, insects, and algae – all have internal "body clocks" determined by a variety of biological rhythms. So why do we have these clocks, and what do they do for us?

Clever thieves have cleaned out bank vaults, museums and cargo trucks all to steal diamonds!

In most cases, if you want your study taken seriously, you should NOT perform the experiment on yourself. Never the less, here are 5 cases of scientists throughout the centuries who – for better or worse – decided to be their own guinea pigs.

Most people want the human species to continue forever, right? But, what if I were to tell you we’re facing a mass extinction right now?

Most spiders are less dangerous to us than we are to them. Still, lots of people find them creepy. But arachnids are awesome! Here are a few of our favorites.

It's no secret that TV has had a great influence on popular culture. Here are 4 ways it has influenced the way people talk.

Nothing beats good street food late at night. Here are 5 of our favorite street foods from around the world!

History is filled with connoisseurs of camouflage, and we have an entire list to prove it.

Crime sprees and their ensuing manhunts are often stranger than fiction. Here are 5 of history's biggest.

Lobsters are strange creatures. Learn more about lobsters in this video from HowStuffWorks.

Join Lauren as she divulges some mouth-watering international holiday food traditions.

In the west, Christmas often gets the lion’s share of attention as an end-of-year holiday – but it’s far from the only celebration.

We all like to toss around words borrowed from science to class up our own speech, but chances are you're taking some very unscientific liberties with its usage. Here are 4 scientific terms you might be using wrong.

Let's face it - English is a tricky language, full of exceptions, inconsistencies, and strange figurative expressions. Chances are, you might be getting a few of them wrong.

Animals can display some very human-like behaviors. Learn more about animals and their human-like behaviors in this video from HowStuffWorks.

Counterfeiting has become more and more difficult. Learn more about counterfeiting and some successful counterfeiters in this video from HowStuffWorks.

Corporate malfeasance refers to corporations committing crimes. Learn more about corporate malfeasance in this video from HowStuffWorks.