Today's Mind-blower

Do ears really grow your entire life?

Do your ears hang low? Do they wiggle to and fro? Could it be because your ears keep right on growing long after the rest of you has stopped?

    • Are we in a bananapocalypse?

      recipes

      Are we in a bananapocalypse?

      If bananas are your favorite fruit, you may soon pick up a bunch that just seems ... different somehow. The culprit: a fungus that's killing the Cavendish.

    • Why is octopus blood blue?

      reference

      Why is octopus blood blue?

      Unless you've butchered an octopus, you might assume that it's as red-blooded as you are. And you'd be wrong. Why are octopuses the original blue bloods?

    • Is driving stoned worse than driving drunk?

      auto

      Is driving stoned worse than driving drunk?

      Some worry that more flexible marijuana laws will cause a spate of stoned drivers taking to the roadways. While driving impaired is dangerous regardless of the substance or amount taken, stoned driving is not the same as drunk driving.

    • 10 Serious Mistakes in Car Maintenance

      auto

      10 Serious Mistakes in Car Maintenance

      There are so many dangerous, irresponsible and downright ridiculous things you can do to a car while "fixing" it that it was difficult to narrow this list down to just 10 examples.

    • Why are hurricanes with female names deadlier than ones with male names?

      science

      Why are hurricanes with female names deadlier than ones with male names?

      The most damaging hurricanes usually have female names. Is this a case of gender bias, or is some other force at work?

    • How do movie productions shut off streets for filming?

      entertainment

      How do movie productions shut off streets for filming?

      If you live in a town where they shoot a lot of movies, chances are you've seen or read about a street closing due to a film shoot. With all the traffic inconvenience this can cause, how do movie companies get away with it?

    • 10 Things You Should Never Throw Away

      home

      10 Things You Should Never Throw Away

      There are things we consciously recycle, such as used clothing, and there are things we toss without a second thought, like foil and rubber bands. But the latter have uses you may never have dreamed of.

    • Is beer really good for your hair?

      health

      Is beer really good for your hair?

      Hair looking dull and limp lately? Instead of heading to the beauty aisle in search of a new product, you might consider cracking open a brew.

    • Stuff Mom Never Told You: 13 Old Beauty Products That Look Like Torture Devices

      shows

      Stuff Mom Never Told You: 13 Old Beauty Products That Look Like Torture Devices

      The Max Factor Beauty Micrometer looks straight out of a horror classic.

    • Stuff to Blow Your Mind: Parasite of Infinite Grotesquery

      shows

      Stuff to Blow Your Mind: Parasite of Infinite Grotesquery

      Today on the Internet, footage of a grotesque hair-like parasite continues to circulate. It emerges from the body of a dead preying mantis, but what’s the science behind this grisly site?

    • Enduring Voices: The Extinct Languages Quiz

      people

      Enduring Voices: The Extinct Languages Quiz

      Dead languages are more than words lost to the ages. They represent entire cultures, civilizations and people history struggles to remember. See how much you know about long-departed dialects and those that are still in danger of extinction.

    • 10 Things You Didn't Know About Einstein

      science

      10 Things You Didn't Know About Einstein

      The man who had some theories about relativity was also an eccentric who gleefully eschewed socks, dodged German military service and spurned social conventions.

    • Miracle Cure or Medical Disaster: The Quackery Quiz

      health

      Miracle Cure or Medical Disaster: The Quackery Quiz

      Unscrupulous schemers are quick to take advantage of someone suffering from a major malady. Take our quackery quiz to see how much you know about charlatans and crazy cures both past and present.

    • Test Your Knowledge: Scientific Misconceptions

      science

      Test Your Knowledge: Scientific Misconceptions

      There's no shame in admitting that we don't have all the answers. But there is a little shame when we're spewing scientific nonsense to our friends and colleagues. Test yourself to determine what so-called "science" you've misunderstood for years.

    • Stuff Mom Never Told You: Why is pink for girls and blue for boys?

      shows

      Stuff Mom Never Told You: Why is pink for girls and blue for boys?

      Are our hunter-gathers ancestors or capitalism to thank for the pink-blue gender divide?

    • Could you really outrun a Tyrannosaurus rex?

      animals

      Could you really outrun a Tyrannosaurus rex?

      OK, hop in your time machine and go back 67 million years or so to the Cretaceous period. Then find a Tyrannosaurus rex and challenge it to a race. Sounds crazy, huh? Actually, the race results may surprise you.

    • Top 10 Things Your Nails Say About Your Health

      health

      Top 10 Things Your Nails Say About Your Health

      Whether trimmed or long, polished or plain, your nails say a lot about the state of your health. What warning signs are literally at your fingertips?

    • What does a best boy do?

      entertainment

      What does a best boy do?

      So, who is this best boy whose title we see rolling down the film credits in tiny type? Is he the best-behaved kid on the set? Not a chance! He's not even a boy.

    • What if I never took a bath?

      health

      What if I never took a bath?

      Your initial reaction to the thought of no more baths may be "gross!" But there also could be more serious ramifications than an unpleasant layer of grime.

    • Why do men have nipples?

      health

      Why do men have nipples?

      During early pregnancy, both male and female human embryos develop something called milk lines, ridges that eventually recede into nipples. Why have some species lost this unisex trait, and can human men actually produce milk?

    • How Gorilla Glass Works

      electronics

      How Gorilla Glass Works

      Touch screens are useful, assuming you don't drop and break them, or scratch them up in your pocket or purse. How do you make abuse-resistant glass? Ask Corning.

    • Truth or Tin Foil? A Conspiracy Quiz

      people

      Truth or Tin Foil? A Conspiracy Quiz

      Take our conspiracy quiz to see how much you know about some of history's most mind-blowing examples of trickery, schemes and subterfuge.

    • How Fear Works

      science

      How Fear Works

      What exactly is fear? In this article, we'll examine the psychological and physical properties of fear, find out what causes a fear response and look at some ways you can defeat it.

    • 10 Creeping Vines that Provide Privacy

      home

      10 Creeping Vines that Provide Privacy

      While trees and shrubs can certainly create a living barrier within your yard, creatively placed vines can give you that feeling of privacy, your own personal retreat.

    • 10 Reasons You Should Have Lemons in Your Fridge

      recipes

      10 Reasons You Should Have Lemons in Your Fridge

      Whether you're baking sugar cookies or garnishing a frosty glass of sparkling water, you'll need a lemon. This tart citrus fruit should always be stocked in your fridge.

    • 10 Most Famous Architects Who Ever Lived

      home

      10 Most Famous Architects Who Ever Lived

      We see buildings pop up and get torn down all the time, but some structures (and the masters who designed them) were built to last. Who are some of the most inspiring architects in history?

    • Top 10 Speeds Clocked on the Autobahn

      auto

      Top 10 Speeds Clocked on the Autobahn

      A public road, in a notoriously buttoned-up country, where people can drive as fast as their engines and nerves will allow. It sounds almost too good to be true, doesn't it? Learn about 10 vehicles that have been pushed to their limits on this fabled road.

    • 10 iPad Apps for Teaching Kids to Read

      computer

      10 iPad Apps for Teaching Kids to Read

      Children take to iPads in much the same way they do to building blocks, dolls and trucks. Capitalize on that affinity by downloading these 10 apps to help teach your child to read.

    • Top 10 Tips for Moisturizing Eczema

      health

      Top 10 Tips for Moisturizing Eczema

      If you've never dealt with a bout of eczema, consider yourself lucky. Those who suffer through its itchy hell (and suffer they do) know that the key to calming the urge to scratch may lie in how you treat your skin.

    • Top 10 Safe Driving Tips

      auto

      Top 10 Safe Driving Tips

      We've been taught how to drive safely, but the number of automobile accidents and fatalities remains high. Let's get back to basics and review these 10 safe driving tips.

    • 10 Historically Inaccurate Movies

      history

      10 Historically Inaccurate Movies

      These films look like blooper reels when you compare them to history books. From anachronisms to flat-out lies, creative license reigns in this list.

    • 10 Amazing Ancient Egyptian Inventions

      science

      10 Amazing Ancient Egyptian Inventions

      There may be no greater tribute to a society's ingenuity and vision than the Great Pyramid of Giza in Egypt. What other cool stuff did the ancient Egyptians invent?

    • Top 10 Foods for Beautiful Skin

      health

      Top 10 Foods for Beautiful Skin

      Selecting the right foods can help brighten your complexion from the inside out or the outside in. So should you skip the beauty counter and head for the grocery store instead?

    • 10 Common Nightmares

      health

      10 Common Nightmares

      Although unpleasant, nightmares are essential to our dreams. Nightmares are a manifestation of other common feelings like stress and anxiety. They aren't as straight forward as they seem, but there are several common nightmares most of us experience.

    • 10 Common Skin Irritants

      health

      10 Common Skin Irritants

      All kinds of things can irritate your skin. It could be a chemical, a surface or a substance to which you're allergic. What irritants should you avoid, and how do you treat these itchy problems?

    • 10 Everyday Things You're Probably Doing the Hard Way

      home

      10 Everyday Things You're Probably Doing the Hard Way

      Despite our desire for ease, studies show that we may be able to make ourselves smarter by doing things the hard way. But why make life trickier than it needs to be?

    • 10 Responsibilities of a Construction Project Manager

      home

      10 Responsibilities of a Construction Project Manager

      More than just a couple nails here and a few screws there, a construction project is a complex commercial enterprise that draws on a variety of workers, tools and materials. At the helm is a construction project manager.

    • Top 10 Retail Markups

      money

      Top 10 Retail Markups

      Everyone knows that the things we buy at retail are marked up so vendors can make a profit. But the final cost depends on what you're buying -- and where you buy it.

    • 10 Free Date Activities in the Great Outdoors

      health

      10 Free Date Activities in the Great Outdoors

      Strapped for cash and need some good ideas for a date? Just take a quick look out your window -- the great outdoors offers an unlimited number of spots for fun, romantic dates that won't cost a penny.

    • Top 10 Tips for Moisturizing Oily Skin

      health

      Top 10 Tips for Moisturizing Oily Skin

      If you have oily skin, you've probably spent a great deal of time trying to make it look less greasy. So why on Earth would anybody with oily skin need to moisturize? Think of it this way: Moisture is about water, not oil.

    • Top 10 Most Expensive Houses in the World

      home

      Top 10 Most Expensive Houses in the World

      For most of us, hardwood floors and stainless steel appliances seem like nice upgrades. But the world's most expensive houses have heated driveways, private gyms and movie theaters. Jealous yet?

    • 10 Ways to Organize Your Home Office by Monday

      home

      10 Ways to Organize Your Home Office by Monday

      At least part of your life revolves around your home office. That life can get chaotic in a hurry if your office is a mess. Don't worry, though: If you've got 48 hours and a little patience, we can fix that for you.

    • Top 10 Tips for Adjusting to Retirement

      health

      Top 10 Tips for Adjusting to Retirement

      After years of a structured schedule, the hours afforded by retirement can seem endless to some retirees. It's possible to make your retirement years happy and healthy -- you just need to approach things a bit differently.

    • 10 True Stories of Survival Cannibalism

      adventure

      10 True Stories of Survival Cannibalism

      You're stranded on a boat at sea, no substantial food or water for days, living off collected rain and already having lustily consumed the leather brim of your hat. That's when you realize there's a huge chunk of meat sitting right next to you.

    • 10 Classic Toys That Could Kill You

      entertainment

      10 Classic Toys That Could Kill You

      Whether you grew up in the carefree '50s or the safety-conscious '90s, you probably know of a toy that was lots of fun and, in hindsight, flat-out dangerous. Most are off the shelves now, but this list might bring back memories.

    • 10 Reasons Why Tesla Is a Scientific God

      science

      10 Reasons Why Tesla Is a Scientific God

      He had patents and pigeons galore. His role in history books could be more. So come ye science fans, and read up on your Tesla facts, myths and lore.

    • 10 Conspiracy Theories About the JFK Assassination

      history

      10 Conspiracy Theories About the JFK Assassination

      Sixty-one percent of Americans think others beside Lee Harvey Oswald were involved in JFK's murder, according to a 2013 Gallup poll. While this is the lowest percentage in nearly 50 years, it's still very high. What are the leading conspiracy theories?

    • 10 Most Spectacular Lottery Burnouts

      entertainment

      10 Most Spectacular Lottery Burnouts

      Winning the lottery seems part of everyone's daydream. But many winners say it actually becomes a nightmare. Why does it all go wrong? Here are some of the most spectacular flameouts we've come across.

    • How long does a water pump last?

      auto

      How long does a water pump last?

      A water pump circulates coolant throughout your car's engine to keep everything running cool. It endures constant use -- if your engine is on, the water pump is working, too. But how long does it last?

    • Can you substitute tomato paste for tomato sauce?

      recipes

      Can you substitute tomato paste for tomato sauce?

      Next time you're at your local grocer, cruise down the canned vegetable aisle and take a look at how many ways they've come up with to can a tomato. Diced, stewed, whole, sauced. But can one substitute for the other? After all, they're all tomatoes, right?

    • Why do we dream?

      science

      Why do we dream?

      The human brain is a mysterious little ball of gray matter, and so is that recurring dream that you're an elf. Have scientists determined why we have dreams?

    • How long do brake pads last?

      auto

      How long do brake pads last?

      Mechanics and manufacturers have a loosely agreed upon mileage range for most brake pads. Yet the lifespan of a brake pad depends on a set of variables ranging from driving style to the laws of physics.

    • Do you really have to wait an hour after eating before swimming?

      health

      Do you really have to wait an hour after eating before swimming?

      When you've spent the day enjoying hot dogs off the grill, is it safe to jump right into the pool and show off your butterfly stroke? Or do you need to take a breather -- a 60-minute break, to be exact?

    • What does it mean when someone has 20/20 vision?

      health

      What does it mean when someone has 20/20 vision?

      We all know 20/20 vision is a good thing, but just what do those numbers mean?

    • What if you traveled faster than the speed of light?

      science

      What if you traveled faster than the speed of light?

      The speed of light is like that annoying friend who beats you at every game. What would happen if humans one day surpassed the cosmic speed limit?

    • What does octane mean?

      auto

      What does octane mean?

      Adding a chemical called tetraethyl to gasoline can significantly improve the gasoline's octane rating. So what does octane mean? Read on to find out.

    • What is the universal edibility test?

      adventure

      What is the universal edibility test?

      If you eat hemlock you could die, and poison ivy isn't good for anyone. But dandelions make a nice salad. How do you tell the plants you can eat from the plants you can't?

    • How can parts of Canada be 'missing' gravity?

      science

      How can parts of Canada be 'missing' gravity?

      For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.

    • Have people ever really eaten tapeworms for weight loss?

      health

      Have people ever really eaten tapeworms for weight loss?

      In recent history, rumors have circulated that if a person were to intentionally swallow a tapeworm the excess pounds would simply melt away. Could a tapeworm be the weight-loss solution that you're looking for?

    • Can you really escape an alligator if you run in a zigzag?

      adventure

      Can you really escape an alligator if you run in a zigzag?

      You've heard this adage a million times, and perhaps it even brings you comfort when you're in gator territory. But is it really helpful advice?

    • What is clean coal technology?

      science

      What is clean coal technology?

      Clean coal -- isn't that an oxymoron? Not anymore. See how energy companies are using coal in cleaner ways to generate massive amounts of electricity. Alternative fuels may be making headway, but coal isn't used up yet. Find out why.

    • What did Albert Einstein invent?

      science

      What did Albert Einstein invent?

      No one can dispute that Albert Einstein is one of history's greatest thinkers. Although he isn't really known as an inventor, his ideas formed the basis for some of the greatest inventions ever devised. Here are a few of the man's most revolutionary discoveries.

    • What are the white dots on my nails?

      health

      What are the white dots on my nails?

      You notice a white dot on your fingernail. You try to scrub it off and realize the little white dots are not paint; they're actually part of your nail. What could they be?

    • Windows down or A/C on -- which is more fuel-efficient?

      auto

      Windows down or A/C on -- which is more fuel-efficient?

      Most of us have been told that driving with the air conditioner switched on uses a lot more fuel than simply rolling the windows down to cool off. But is that always true?

    • What is activated charcoal and why is it used in filters?

      science

      What is activated charcoal and why is it used in filters?

      Charcoal is carbon. Activated charcoal is charcoal that has been treated with oxygen to open up millions of tiny pores between the carbon atoms. What does this have to do with its absorbancy?

    • How do magic erasers get rid of stains?

      home

      How do magic erasers get rid of stains?

      Kids go crazy with the crayons? Co-workers leave a trail of scuff marks wherever they walk? Erasers made with melamine foam might be just what you need. How do these erasers get the stains out? And are they really magic?

    • Are carrots really good for your eyesight?

      health

      Are carrots really good for your eyesight?

      It's another one of those things your parents told you to persuade you to eat vegetables. But besides turning orange, if you ate a bunch of carrots, would you develop superhuman vision?

    • How do I upgrade the version of Android on my tablet?

      computer

      How do I upgrade the version of Android on my tablet?

      We're happy to help you get the latest, tastiest version of the Android operating system. Here's how.

    • Which is more environmentally friendly: paper or plastic?

      science

      Which is more environmentally friendly: paper or plastic?

      Are multipurpose plastic bags or those throwback brown paper bags more environmentally friendly? That question could leave you speechless on your next trip to the grocery store.

    • How do money market accounts work?

      money

      How do money market accounts work?

      Money market accounts are popular because they usually pay higher interest than savings accounts. So what's the catch? Why shouldn't we all open one?

    • How often are septic tanks emptied, and where do the contents go?

      home

      How often are septic tanks emptied, and where do the contents go?

      Discussing what goes on in the bathroom is considered taboo in many social circles, but you should be having frank discussions about your waste if you own a septic tank. What's the protocol for dealing with fecal matter?

    • How early can you test for pregnancy?

      health

      How early can you test for pregnancy?

      Finding out if you're pregnant is an exciting process, but waiting for it to happen can really try a person's patience. Just how soon after having sex will you actually become pregnant? And how early can you test for pregnancy?

    • Has science explained life after death?

      science

      Has science explained life after death?

      Can you watch your body after you die? Near-death out-of-body experiences have left researchers wondering if life after death exists. How do scientists explain it?

    • Mental Disorder Pictures

      health

      Mental Disorder Pictures

      Mental illness affects all kinds of people. With this image gallery, learn about mental illness and its associated problems along with famous people who have struggled with mental disorders.

    • Relationship Tips Pictures

      health

      Relationship Tips Pictures

      Everyone knows relationships are not easy. They take time and commitment to make them succeed. Flip through these relationship tips pictures and learn a few pointers.

    • Bermuda Triangle Pictures

      adventure

      Bermuda Triangle Pictures

      The Bermuda Triangle is an area in the Atlantic Ocean that has baffled scientists due to the high number of ship and plane crashes in the area. Delve into the disasters and the lore of this mysterious location.

    • Top 5 Sun Hats to Protect Your Face

      health

      Top 5 Sun Hats to Protect Your Face

      These five sun hats will protect your skin from sunburn and damage. See which hat fits your personal style and provides important sun protection.

    • Pet Pictures

      animals

      Pet Pictures

      There are many common and uncommon types of animals that make for good pets, including dogs, bearded dragons and cockatoos. Check out these pet pictures to gauge which kind might suit your needs best.

    • Vegetable Pictures

      recipes

      Vegetable Pictures

      With dietary guidelines urging you to eat more vegetables, you may be searching for culinary inspiration. We'll serve up some gorgeous fresh produce in this gallery along with a few serving tips. Grab a fork and dig in!

    • Wolf Image Gallery

      animals

      Wolf Image Gallery

      Wolves may be a close relative of man's best friend, but we wouldn't recommend trying to befriend these wild canines. Check out this wolf image gallery to learn all about different wolf species and their habits.

    • Staying Healthy Pictures

      health

      Staying Healthy Pictures

      Being healthy is about more than just being free of germs. Get some tips on how to maintain a healthy lifestyle -- from the inside out.

    • Hog Wild: Harley-Davidson Logos Through the Years

      auto

      Hog Wild: Harley-Davidson Logos Through the Years

      Whether they’re roaring down the California coast or converging on Daytona Beach, hogs have generated some serious fans throughout their colorful history. See how the famous bike has changed its image over the years.

    • Cell Phone Pictures

      electronics

      Cell Phone Pictures

      Cell phones are more than just a communication convenience. They're also a fashion statement packed with technology. See the latest cell phones and how they're used in this cell phone image gallery.

    • Seven Wonders of the World Pictures

      adventure

      Seven Wonders of the World Pictures

      Scholars disagree about the first person to compile the list of the seven wonders, but most can agree that all of the items on this list are pretty incredible. Check out these amazing marvels, from the Great Pyramid of Giza to the Hanging Gardens of Babylon.

    • Night Vision Pictures

      electronics

      Night Vision Pictures

      Night vision is a popular military application with some very interesting civilian uses. Check out night vision equipment, peer through night vision goggles and learn about the technology with this image gallery.

    • Space Conspiracy Theory Pictures

      science

      Space Conspiracy Theory Pictures

      The moon landing is just one of many sources of debate among space conspiracy theorists. This image gallery wades into the discussion on this theory and a few others.

    • Plug-in Hybrid Pictures

      auto

      Plug-in Hybrid Pictures

      Plug-in hybrids are a unique breed of hybrid vehicle. Take a look at several different makes and models in this image gallery.

    • Hidden Home Dangers Pictures

      home

      Hidden Home Dangers Pictures

      Some home dangers aren't as obvious as others. Asbestos, lead and even urea-formaldehyde used as a resin could be in your home right now. Gas mask, anyone?

    • Constellation Pictures

      science

      Constellation Pictures

      As every fledgling and seasoned astronomer knows, groups of stars that form some sort of arrangement are known as constellations. Peer at some of the most famous constellations that humans use to navigate, divine the future and tell stories.

    • Freezing to Compete: Winter Sports Pictures

      adventure

      Freezing to Compete: Winter Sports Pictures

      Snow and ice don't slow down these athletes! Hit the slopes and check out these skiers, snowboarders, skaters, and other winter athletes in action.

    • Bill Gates Pictures

      computer

      Bill Gates Pictures

      Former Microsoft CEO Bill Gates has had a successful career – to put it mildly. He’s also had all sorts of adventures along the way, like jamming out with Slash during a session of Guitar Hero. Keep up with the mastermind in this image gallery.

    • Famous Landmarks

      adventure

      Famous Landmarks

      From Stonehenge to the Taj Mahal, see pictures of some of the world's most stunning sites.

    • Aborigine Pictures

      people

      Aborigine Pictures

      Aborigines are the world's oldest continuous culture, and they arrived in Australia between 40,000 and 60,000 years ago. Learn more with Aborigine pictures.

    • Indoor Gardens Pictures

      home

      Indoor Gardens Pictures

      Creating an indoor garden is one of those things that can remind you that anything's possible. Even if you don't have space for an outdoor garden, bringing some plants inside offers a lot of the same benefits and may enhance your home's decor.

    • Truck Pictures

      auto

      Truck Pictures

      Truck owners can list countless reasons for their reliance on their truck. Peruse this image gallery and you'll see some of the coolest models out there, including classic models and cutting-edge concepts.

    • Exotic Car Pictures

      auto

      Exotic Car Pictures

      This image gallery features some of the rarest, most expensive cars from makers like Ferrari, Lamborghini and Porsche. Pore over these beautiful cars and see the amazing features and amenities they offer. You can even pick the one you'll buy -- when you win the lottery.

    • Famous Historical Couples

      history

      Famous Historical Couples

      When these men and women weren't composing poetry, combating the Great Depression or committing mass genocide, they were sharing their lives with their equally famous other halves. They may be revered (or reviled) for the deeds that secured their presence in history books and pop culture, but they were also loved.

    • Classic to Artisan: Cupcakes and Cakes for a New Era Pictures

      recipes

      Classic to Artisan: Cupcakes and Cakes for a New Era Pictures

      A skilled decorator can turn a simple slab of cake into a masterpiece using frosting, fondant and the right embellishments. Discover new ways to turn cakes and cupcakes into fabulous works of art.

    • Slow Is Smooth, Smooth Is Fast: Military Sniper Quiz

      shows

      Slow Is Smooth, Smooth Is Fast: Military Sniper Quiz

      Military snipers have been great fodder for video games and movies, and they're just as interesting in reality. Test out your aim here on Stuff You Should Know's military sniper quiz.

    • Fact or Fiction: Baking Soda Benefits

      health

      Fact or Fiction: Baking Soda Benefits

      You may think of it as a common household cleaner, but baking soda is also a wonder product in the personal care realm. What can it do for your teeth, face and hair? Find out in this quiz!

    • Oh My Gosh, an Orgasm Quiz!

      health

      Oh My Gosh, an Orgasm Quiz!

      Oh, oh, it's magic. Yes, we're talking about orgasms, those physiological fireworks that erupt at the heights of sexual ectasy. But orgasms are also like snowflakes -- each one is a little bit different for different people. Test your knowhow of the Big O with this blizzard of facts about how the ultimate pleasurable sensation works in the human body.

    • Group X or Group Sex: What defines asexuality?

      health

      Group X or Group Sex: What defines asexuality?

      Although it might be hard to perceive of sex being a moot point, a mere mechanical operation meant for reproduction, self-identified asexuals assure that it's a reality. Test your knowledge of life sans sex with this asexuality quiz.

    • The Ultimate Relieving Back Pain Quiz

      health

      The Ultimate Relieving Back Pain Quiz

      The back is a complex part of the body and, among its many functions, it acts as a support structure for the spine. Back pain has various causes and pain can range from a soreness to a debilitating pain that severely limits your ability to function.

    • Who Said It? The Wrong Quote Quiz

      people

      Who Said It? The Wrong Quote Quiz

      Wasn't it P.T. Barnum who said, "There's a sucker born every minute?" Maybe, maybe not. Take our quiz to find out the real geniuses behind these well-known quotes -- and you won't be taken for a sucker!

    • 1980s or 1990s tech?

      electronics

      1980s or 1990s tech?

      As far as gadgets go, the world completely changed during the 1980s and '90s. Think about it -- we started the '80s without VCRs, and by the end of the '90s, we had tiny cell phones in our pockets. Can you guess which of these iconic gadgets was introduced in which decade?

    • Partly Cloudy With a Chance of Data Compromise: Cloud Security Quiz

      computer

      Partly Cloudy With a Chance of Data Compromise: Cloud Security Quiz

      Worried about your online passwords being compromised? Think you're playing it safe? Take the quiz to find out if you're doing all you can to protect your information online.

    • Treat Me Right: The Cold Sore Quiz

      health

      Treat Me Right: The Cold Sore Quiz

      Cold sores can be a real nuisance. And since they're caused by a herpes virus, there's no cure -- just ways to get you through the latest flare-up. How much do you know about their cause and treatments?

    • Mac, ENIAC or UNIVAC: The Computer History Quiz

      computer

      Mac, ENIAC or UNIVAC: The Computer History Quiz

      Computers are so much a part of our daily lives that it's sometimes hard to believe that only 60 years ago, they were rare, massive machines that required 10 men to run. How much do you know about the history of computing?

    • TV Talk: Catchphrase Quiz

      people

      TV Talk: Catchphrase Quiz

      "Holy catchphrase, Batman." Our language is peppered with famous buzzwords and catchphrases we've picked up from television. See if you can match those words or phrases with the right show or character in our TV Talk quiz. If you can't, just fuggedaboutit.

    • Fact or Fiction: Forklifts

      science

      Fact or Fiction: Forklifts

      Forklifts are an important part of our manufacturing industries. Think you know all there is to know about them? Take the quiz and find out how these powerhouses came about, how they lift our heavy stuff and where technology is taking them.

    • Unique Addictions Quiz

      health

      Unique Addictions Quiz

      When we think of addictions, we think about drugs like heroin and cocaine. But what about addictions considered strange or unique? Let this quiz put your knowledge of addiction to the test.

    • The Ultimate Happiness Quiz

      science

      The Ultimate Happiness Quiz

      Until pretty recently, happiness wasn't given too much thought in a scientific kind of way. It isn't an easy thing to pin down, especially when you're trying to make judgments on entire groups and populations. But the science of happiness has been booming lately, and we've found out a lot about who's happy, what makes us happy and how to become happy. Take this quiz to find out how much you know about the art of being happy.

    • The Ultimate Kissing Quiz

      people

      The Ultimate Kissing Quiz

      It can be a sign of love, grief or respect worldwide. Kissing is a natural act that gives millions of people physical and psychological satisfaction, but where did it originate? Why does it make us feel good?

    • Are you depressed or just sad?: The Major Depressive Disorder Quiz

      health

      Are you depressed or just sad?: The Major Depressive Disorder Quiz

      There are a lot of misconceptions regarding sadness and major depressive disorder (MDD). Knowing the differences, causes and treatments can lead to a better quality of life for you or someone you know. So how much do you really understand about the condition?

    • Dollars and Sense: Credit Score Challenge

      money

      Dollars and Sense: Credit Score Challenge

      Your credit score plays a large part in whether you can buy a house or car. In certain circumstances, it even affects whether you can get a job. But where does the number come from?

    • The Ultimate Respiratory Problems Quiz

      health

      The Ultimate Respiratory Problems Quiz

      Those of us who are healthy often take the ability to breathe for granted. But there are many things that can go wrong with this essential system of the body, causing every breath to become a struggle.

    • The Ultimate Survival Skills Quiz

      adventure

      The Ultimate Survival Skills Quiz

      Being stranded in the wilderness may make for a good movie, but in reality, it's a harrowing experience. Staying alive may require you to build a shelter, start a fire and even eat bugs for nourishment. Can you survive this quiz?

    • Diabetes Quiz

      health

      Diabetes Quiz

      Test your knowledge of diabetes by taking this 10-question quiz. You may be surprised at the answers.

    • The Ultimate Serial Killer Quiz

      people

      The Ultimate Serial Killer Quiz

      The topic of murder stirs up fear in almost any context, and serial killing tends to multiply that fear to the nth degree. Test your knowledge with this serial killer quiz.

    • The Fabulous Faraday Cage Quiz

      science

      The Fabulous Faraday Cage Quiz

      It was a grand day for humankind when the first Faraday cage came to life; these cages have given rise to all sorts of technological innovations. How much do you know about these wiry wonders?

    • Secrets of the Female Orgasm: How much do you know?

      lifestyle

      Secrets of the Female Orgasm: How much do you know?

      Until the 20th century the female orgasm was woefully misunderstood. While aspects of it still require demystification, it's no longer taboo to speak of it and discuss the fascinating discoveries of the last century. Not to mention searching for answers to our most intimate questions. Questions like, can a woman achieve the big O just by thinking about it? And why isn't there Viagra pill for women? Take a few minutes to test your female orgasm smarts.

    • Take this adrenaline rush travel quiz! Or, are you too chicken?

      adventure

      Take this adrenaline rush travel quiz! Or, are you too chicken?

      This quiz is best taken while climbing a mountain 2.5 miles underwater, surrounded by hungry sharks. But if you're sitting in front of your home computer, that's OK, too. We'll know just how tough you are by the end.

    • Car Smarts: Clutches

      auto

      Car Smarts: Clutches

      Clutches are in many things that you see or use everyday. The car you drive is just one example. If you drive a manual transmission car, you may be surprised to find out that it has more than one clutch. If you drive an automatic transmission car, well, you have clutches, too. How much do you know about clutches?

    • De-Extinction: Bringing Extinct Animals Back to Life

      shows

      De-Extinction: Bringing Extinct Animals Back to Life

      Jonathan Strickland explains the scientific processes behind de-extinction, and explores the ethical concerns and drawbacks that might arise along the way.

    • How to Pursue a Friend Crush

      shows

      How to Pursue a Friend Crush

      Cristen lets you in on the secret of how to turn a "friend crush" into a BFF.

    • George Ferris and the Ferris Wheel

      shows

      George Ferris and the Ferris Wheel

      When Chicago began planning for the World's Columbian Exhibition of 1893, the city's planners asked George Ferris to build something "original, daring, and unique." Tune in to learn more about his invention.

    • How Does Sleepwalking Work?

      shows

      How Does Sleepwalking Work?

      Have you ever walked in your sleep? Somnambulism isn't as rare as you might think. Join Cristen as she explores the facts and fiction about sleepwalking, from its many possible causes to whether you can safely wake up a somnambulist mid-stroll.

    • 10 Mind Blowing Sex Facts: Part 2

      shows

      10 Mind Blowing Sex Facts: Part 2

      From gay dolphins to orgasm machines, there’s a lot about sex you don’t know. Arm yourself with 10 mind-blowing sex facts to awe your friends and lovers. Here are 6-10.

    • Stuff to Blow Your Kid's Mind: Rainbows

      shows

      Stuff to Blow Your Kid's Mind: Rainbows

      Rainbows can be achingly beautiful, but what makes that unique mix of colors spread across the sky? In this episode, Robert and Julie explain -- and demonstrate -- the science behind moisture, light and rainbows.

    • Smart Clothing: Charge Electronics with Your Shirt

      shows

      Smart Clothing: Charge Electronics with Your Shirt

      In the future, your smart clothes will clean themselves, keep you from getting sick, and even charge your cell phone!

    • What is SETI?

      shows

      What is SETI?

      Could we really discover intelligent life out there in the inky black of space? How? Listen in to learn more about SETI.

    • Crop Circles

      shows

      Crop Circles

      Cereologists don't all agree on how crop circles form, but there are some wild theories out there, including freak weather and UFOs. Also, hoaxers confessed to making hundreds of circles. Tune in to learn more about theories surrounding crop circles.

    • The Invention of Liquid Paper

      shows

      The Invention of Liquid Paper

      Dallas secretary Bette Nesmith Graham hated typos, because erasing an error left smears and smudges. Luckily, she decided to tackle the problem with paint rather than erasers. Learn about her Stuff of Genius in this episode.

    • For Your Eyes Only: The Privacy Visor

      shows

      For Your Eyes Only: The Privacy Visor

      A Tokyo-based team has invented a pair of glasses that disrupts digital cameras and prevents facial recognition. Want to hide your identity and personal information? We'll tell you how in today's episode.

    • Mysterious Disappearances

      shows

      Mysterious Disappearances

      From the Mary Celester to missing pilots, history is chock full of stories about unexplained disappearances. Join Matt and Ben as they take a look at some of history's top unexplained disappearances - and solve a few others.

    • Why do we eat meat?

      shows

      Why do we eat meat?

      Why does Daym Drops react so passionately to a bacon cheese burger? Let's explore out emotional response to meat.

    • Was there a race of giants?

      shows

      Was there a race of giants?

      Cultures across the planet have legends describing giant, human-like creatures. Usually, these stories are dismissed as folklore -- yet some people believe a race of giants did exist at some point in Earth's past. Tune in and learn more.

    • The Deep Web: A New Silk Road

      shows

      The Deep Web: A New Silk Road

      With growing furor over government surveillance, increasingly more Internet users are taking steps to preserve anonymity online and, to some casual surfers, the wild west days of the net are over. Or are they? Tune in to learn more.

    • Herstory: The Swimsuit Inventor

      shows

      Herstory: The Swimsuit Inventor

      Meet Annette Kellerman, the inventor of the women's one-piece swimsuit who was thrown in jail for wearing it on a Boston beach.

    • The Mummy: Desiccation and Resurrection

      shows

      The Mummy: Desiccation and Resurrection

      Just as withered mummies return to life and strangle the living, so too do various natural-world organisms bounce back from their desiccated state.  Join Dr. Anton Jessup for another hefty dose of Monster Science.

    • Placebo Surgeries

      shows

      Placebo Surgeries

      Placebo surgeries might sound like the exclusive domain of quack doctors and scam artists, but as Josh tells Chuck, they're actually a real thing in mainstream medicine (and highly controversial at that).

    • This Is Your Brain on Upworthy

      shows

      This Is Your Brain on Upworthy

      How the most viral site on the Web leverages the science of curiosity for clicks.

    • Are world governments preparing us for disclosure?

      shows

      Are world governments preparing us for disclosure?

      Conspiracy theories about hidden knowledge of extraterrestrials have been around for decades, but one of these theories has an interesting twist: What if the world's governments are using pop culture to prepare humanity for the arrival of aliens?

    • George de Mestral and Velcro

      shows

      George de Mestral and Velcro

      When George de Mestral and his dog set out on a leisurely mountain stroll, they returned covered in burrs. Learn how an afternoon walk inspired the creation of Velcro in this video podcast from HowStuffWorks.com.

    • Why Babies Cry

      shows

      Why Babies Cry

      Babies cry because they're distressed, but scientists still aren't sure what types of negative emotions they experience and whether their angry facial expressions match their emotional state.

    • There's An App For That: Cockroach Mind Control

      shows

      There's An App For That: Cockroach Mind Control

      Christian talks to Greg Gage from Backyard Brains about the future of neuroscience and an invention that can remotely control a live cockroach with a smartphone.

    • Don't Be Dumb: Meat is Muscle

      shows

      Don't Be Dumb: Meat is Muscle

      Have you ever bitten into a whole turkey carcass and realized that some of the meat in your mouth was light and some was dark and did you wonder what the heck was the difference even though one tastes way juicier than the other?

    • Autonomous Cars

      shows

      Autonomous Cars

      Road rage and traffic jams could become a thing of the past when autonomous cars take the wheel. Welcome to the future of driving.

Stuff You Should Watch

check out our shows

test your knowledge

Fact or Fiction: Class-action Lawsuits
TAKE THE CHALLENGE
Fact or Fiction: Class-action Lawsuits
Average: 0 points | 20 Questions

A class-action lawsuit is a civil lawsuit involving a large group of plaintiffs.

quotestuff & factstuff

Did you know: A standard cruise ship these days is roughly 1,000 feet (304 meters) long and 100 feet (30.4 meters) wide. Cruise ships weigh more than 70,000 tons (63,500 metric tons) and can carry close to 3,000 passengers on board. Another random fact

“The highest result of education is tolerance.” Who said it?

poll: what do you think?

How long do you keep receipts?

all about photography