Today's Mind-blower

10 Things You Didn't Know About Albert 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.

    • Why do some people believe the moon landings were a hoax?

      science

      Why do some people believe the moon landings were a hoax?

      It was a small step for a man, a giant leap for mankind. But some people say that the moon landings never happened at all. Why all the conspiracy theories?

    • 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 Wrong Grammar Rules Everyone Knows

      people

      10 Wrong Grammar Rules Everyone Knows

      Will the grammar police really arrest you if you start a sentence with a conjunction or end one with a preposition? There's only one way to find out.

    • How ALS (Lou Gehrig's Disease) Works

      health

      How ALS (Lou Gehrig's Disease) Works

      In the 1938 baseball season, slugger Lou Gehrig suddenly lost his swing. His slip was a sign of ALS, the degenerative disease that would eventually kill him. What is ALS?

    • 10 Most Long-lived Empires in History

      history

      10 Most Long-lived Empires in History

      Empires rise and empires fall -- it's a seemingly unavoidable fact of life on Earth. But these superpowers reigned longer than any others. What can we learn from their missteps and achievements?

    • 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.

    • 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.

    • Who invented the X-ray?

      science

      Who invented the X-ray?

      We take X-rays for granted. We get them at the dentist's office and watch them while clearing luggage through security at the airport. But did you know they were discovered by accident?

    • 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?

    • 10 Famous Fake Antiques and the Suckers Who Bought Them

      history

      10 Famous Fake Antiques and the Suckers Who Bought Them

      We use the term "suckers" lightly -- even experts have been fooled by some of the faux antiques on this list. How can a painting, sculpture or sacred document carry a false identity for so long, and what happens when the ruse is revealed?

    • 10 Failed Google Projects

      computer

      10 Failed Google Projects

      Most people think of Google as a giant juggernaut of Internet success. But even the company behind the world's most popular search engine has had its share of blunders.

    • How do erasers erase?

      electronics

      How do erasers erase?

      Ahhhh, the good old No. 2 pencil and its oft-used eraser. Have you ever wondered exactly what science is at work when that pink, rubbery lifesaver eradicates your blunders?

    • 10 Dramatic Acts of Human Kindness

      people

      10 Dramatic Acts of Human Kindness

      The news is filled with a never-ending stream of tragedy and cruelty, but also with gestures and acts meant to improve the lives of others -- and the world. Here are 10 of our favorites.

    • 10 Gadgets That Really Should Be Obsolete By Now

      electronics

      10 Gadgets That Really Should Be Obsolete By Now

      Technology is ever-evolving, so gadgets that were cutting edge just a few years ago are already obsolete. Here are 10 that linger, though we'd happily eulogize them.

    • 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.

    • Stuff You Should Know: Psychology Is Nuts: The Stanford Prison Experiment

      shows

      Stuff You Should Know: Psychology Is Nuts: The Stanford Prison Experiment

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

    • 5 Massacres Where Almost Nobody Died

      history

      5 Massacres Where Almost Nobody Died

      The word "massacre" conjures up images of the senseless slaughter of thousands. But some, while still tragic, claimed only a few lives. Here are five with huge historical impacts.

    • How Wine Fraud Works

      money

      How Wine Fraud Works

      Wine fraudsters have fooled billionaires and wine connoisseurs alike into thinking an unremarkable bottle of merlot is really an exceptional vintage. Here's how they do it – and why.

    • 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 long can a camel go without water?

      animals

      How long can a camel go without water?

      As issues like drought make headlines, the topic of water conservation has become critical. Perhaps we should look to the camel for guidance is as this desert-dweller saves every last drop.

    • What if everyone on Earth spoke the same language?

      science

      What if everyone on Earth spoke the same language?

      Would the people of the world get along better if they spoke the same language? Or would it just be easier for us to hate each other?

    • 10 Bizarre Treatments Doctors Used to Think Were Legit

      science

      10 Bizarre Treatments Doctors Used to Think Were Legit

      From tobacco smoke enemas to whirling chairs, doctors have tried almost everything to cure human disease.

    • 10 Completely Wrong Ways to Use Commas

      people

      10 Completely Wrong Ways to Use Commas

      Commas are notoriously tricky punctuation marks, and with good reason. So how can you know if you're using them correctly? It comes down to one question: Is it essential?

    • Top 10 Ways to Get More Followers on Twitter

      computer

      Top 10 Ways to Get More Followers on Twitter

      It's the age-old falling tree question: If you tweet and no one is around to hear it, does it make a difference? How can you attract followers so that your tweets aren't made in vain?

    • 10 Surprisingly Fuel-efficient Sports Cars

      auto

      10 Surprisingly Fuel-efficient Sports Cars

      There’s a saying about sports cars: They can pass anything on the road -- except a gas station. Here are 10 sports cars that break the stereotypical gas-guzzler image.

    • 10 Reasons You Might Not Know You're Pregnant (Until You're in Labor)

      health

      10 Reasons You Might Not Know You're Pregnant (Until You're in Labor)

      Whether pregnancy is planned or a surprise, most women quickly realize they're carrying a developing child. But what if a pregnancy is both unplanned and unknown to the woman who's pregnant?

    • 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?

    • 10 Things Your Hair Stylist Doesn't Want You to Know

      lifestyle

      10 Things Your Hair Stylist Doesn't Want You to Know

      You may love your hair stylist. He makes you look like a star and gives you the best scalp massage in town. But he's also getting paid. What are 10 things your stylist could be keeping close to the chest?

    • 10 Ways to Make Extra Money From Home

      money

      10 Ways to Make Extra Money From Home

      Who couldn't use a little extra cash at some point? You may not have the time to go out and hit the pavement in search of a second job, but you could use the skills you have to get the dough you need.

    • 10 Real Events That Seem Like Hoaxes

      history

      10 Real Events That Seem Like Hoaxes

      Did you hear the one about Elvis meeting President Nixon to help the youth stay off drugs? Or 50 Cent performing at a bat mitzvah? These may sound like urban legends, but this time the events are all true.

    • 10 Common Sayings You're Probably Saying Wrong

      people

      10 Common Sayings You're Probably Saying Wrong

      Maybe you could care less about grammar. After all, it's a doggy-dog world, and you're OK as long as people know what you mean, right?

    • Top 10 Most Valuable Records

      entertainment

      Top 10 Most Valuable Records

      Some of the most valuable records on the market aren't what you'd think they would be. Did any favorites from your vinyl collection make the list?

    • 5 NASA Inventions You Won't Believe

      science

      5 NASA Inventions You Won't Believe

      Since 1958, NASA has had to invent everything it needed to make space missions possible. These five amazing inventions, developed by NASA for use in space, have found some amazing Earth-bound applications.

    • 10 Absolutely Worst Foods to Eat

      science

      10 Absolutely Worst Foods to Eat

      We all eat things we probably shouldn't, and that's OK from time to time. But there are some foods that are such nutrition bombs that even occasional indulgence isn't exactly wise.

    • 10 Worst Computer Viruses of All Time

      computer

      10 Worst Computer Viruses of All Time

      Most computer-savvy people know about viruses and how to prevent an infection. But what are some of the most destructive viruses of all time, the record-smasher server-crashers?

    • Top 10 Low-light Plants

      home

      Top 10 Low-light Plants

      Plants have pretty basic needs. They crave water, healthy soil and rays of sunshine. But if you can't provide your flora with lots of direct sun, you can still grow these low-light plants in your shady garden.

    • 10 Ways to Cook Kale

      recipes

      10 Ways to Cook Kale

      Kale packs a nutritional wallop -- 1,300 percent of your daily vitamin K, for starters -- and is incredibly versatile and easy to cook. Here are 10 ways to cook kale.

    • 10 Tips for Your First Day of Work

      money

      10 Tips for Your First Day of Work

      It's hard to find a job these days, but once you get your foot in the door, try not to put it in your mouth -- at least, not right away. Here are some tips designed to help you make the right first impression on your first day at work.

    • 10 Healthy Ways to Build Credit

      money

      10 Healthy Ways to Build Credit

      For something so relatively easy to obtain, credit can easily cause a careless borrower lots of stress. Here are 10 simple ways to build credit -- and keep it.

    • 10 Classy Wedding Shower Ideas

      lifestyle

      10 Classy Wedding Shower Ideas

      Unlike friends-only bachelorette parties, bridal showers include mothers-in-law of all shapes and sizes. A gift of lingerie could send a guest into paroxysms. How do you plan a shower that's fun for everyone?

    • 10 Treasures We’ll Lose as Sea Levels Rise

      science

      10 Treasures We’ll Lose as Sea Levels Rise

      The oceans are rising, and they're threatening to take down some of the world's brightest cultural gems. Here are 10 of the most notable spots potentially endangered by climate change.

    • 10 Best Snacks for a Road Trip

      adventure

      10 Best Snacks for a Road Trip

      Road tripping soon? Don't snack on junk from the convenience store. Fill up on these healthy bites that go great in the car.

    • 10 Backyard Landscaping Ideas on a Budget

      money

      10 Backyard Landscaping Ideas on a Budget

      If your backyard is overflowing with green but your wallet isn't, fear not. We've got some budget-friendly landscaping tips that'll keep your back lawn and your bank account in great shape.

    • 10 Trade Secrets We Wish We Knew

      money

      10 Trade Secrets We Wish We Knew

      Protected by legal agreements, fail-safes and vaults, the world’s most valuable trade secrets rake in millions of dollars for their owners. Here are 10 lucrative legends.

    • Top 10 Causes of Car Fires

      auto

      Top 10 Causes of Car Fires

      The National Fire Protection Association (NFPA) says that vehicle fires account for about 20 percent of all reported fires, so it's worth knowing how to reduce some of the risk in your own car or truck.

    • 10 Most Dangerous Places You Should Definitely Visit

      adventure

      10 Most Dangerous Places You Should Definitely Visit

      It isn't necessarily advisable to visit any of these areas. But then again, if you're willing to take the risk, you'll get to explore places most people will never have the guts to see.

    • 10 Essentials to Bring on a Road Trip

      adventure

      10 Essentials to Bring on a Road Trip

      It's summertime, and the open road calls. There's so much to see, so much to do -- and so much to pack! Here are 10 road trip essentials.

    • 10 New Uses for Old Inventions

      science

      10 New Uses for Old Inventions

      You think you really know an invention until -- whammo -- someone comes up with a new use for it. Ointment that soothes tired cow teats and treats baldness? Who would have thought? Read on for 10 of our favorites.

    • Who invented the radio?

      science

      Who invented the radio?

      Many people consider Guglielmo Marconi the inventor of the radio. After all, he did get the Nobel Prize for it. But others credit Nikola Tesla because the Supreme Court upheld his patent for the invention of radio. So who should get the recognition?

    • How many calories does a person need daily?

      health

      How many calories does a person need daily?

      Daily calorie needs vary significantly from person to person. Learn how to calculate the number that’s right for your body.

    • How many solar cells would I need in order to provide all of the electricity that my house needs?

      home

      How many solar cells would I need in order to provide all of the electricity that my house needs?

      How many solar cells would I need in order to provide all of the electricity that my house needs?

    • How does death by hanging work?

      health

      How does death by hanging work?

      Hanging, when carried out with modern techniques, can be one of the quickest and most painless ways to be executed. But not all hangings are designed to be quick and painless.

    • What are chemtrails, and should you be scared of them?

      science

      What are chemtrails, and should you be scared of them?

      It's difficult to look up in the sky during a clear day and not see at least one cloudy trail billowing from an airplane. Although they're officially called contrails, some people refer to them as "chemtrails" -- and have interesting explanations for their existence.

    • How does a GFCI outlet work?

      home

      How does a GFCI outlet work?

      In my bathroom there is a plug that has a "Test" and a "Reset" button. When I push the "Test" button, it cuts off the current to the outlet. What is this? How is it different from the fuse in the fuse box?

    • Why can't we convert salt water into drinking water?

      adventure

      Why can't we convert salt water into drinking water?

      Well, we can. But why don't we do more of it? With oceans and oceans of seawater, you'd think we could make enough freshwater to never go thirsty again

    • How often should you wash your hair?

      health

      How often should you wash your hair?

      Most people wash their hair every day without fail. However, some go without shampoo for weeks, months and even years. Who's right?

    • Is there something in turkey that makes you sleepy?

      science

      Is there something in turkey that makes you sleepy?

      It's Thanksgiving Day and your waistband is groaning, and you're heavy-lidded as you lift one more forkful of pumpkin pie to your mouth. Some say that tryptophan, an amino acid found in turkey, is the reason you want a nap after Thanksgiving dinner.

    • Are zoos good or bad for animals?

      animals

      Are zoos good or bad for animals?

      As you visit each amazing exhibit at your local zoo, do you ever feel a twinge of guilt or remorse when watching these enclosed creatures? Are zoos helping or hurting animals?

    • Should I pop my zits?

      health

      Should I pop my zits?

      Though popping pimples is usually frowned upon, dermatologists often extract them for their patients. If it's safe for doctors to pop zits, is it OK for you to do it yourself?

    • What is friendship?

      people

      What is friendship?

      In kindergarten, it may have been the girl who always gave you the frosting from her cupcake. As an adult, it may be the guy who will answer the phone at 2 a.m. when you need to talk. How do you define a friend?

    • Is brake flushing really necessary?

      auto

      Is brake flushing really necessary?

      It's a familiar scene: You're at your local auto service counter paying for an oil change and a tire rotation when your mechanic asks if you'd also like your brakes flushed. Is it really necessary?

    • Do whitening strips damage your teeth?

      health

      Do whitening strips damage your teeth?

      We know they give you pearly whites. But can those popular whitening strips damage your teeth?

    • Why is Pluto no longer considered a planet?

      science

      Why is Pluto no longer considered a planet?

      On August 24, 2006, the International Astronomical Union (IAU), an organization of professional astronomers, passed two resolutions that collectively revoked Pluto's planetary status.

    • How does someone become a saint?

      people

      How does someone become a saint?

      Becoming a saint in the Roman Catholic Church is designed to be lengthy and difficult process. What are steps involved in canonization?

    • How long does a car's air filter last?

      auto

      How long does a car's air filter last?

      Your car's air filter is the first line of defense against the dust, dirt, and debris that can quickly foul up the engine, causing poor performance and shortening the life of the car. How long does a car's air filter last?

    • What will Earth look like in 500 years?

      science

      What will Earth look like in 500 years?

      "The 26th century" doesn't roll off the tongue as easily as "the 21st century" does. But that hasn't stopped us from imagining what our hometown planet will be like in a few hundred years. Any guesses?

    • Why does my stomach growl?

      health

      Why does my stomach growl?

      Whether you call it grumbling, gurgling or growling, sometimes your belly just won't keep quiet. What makes your stomach growl, and why does it seem to happen at the worst times?

    • What does business casual mean for women?

      lifestyle

      What does business casual mean for women?

      If ever there were a place to be concerned with appearances, it's at work. But when a dress code is as vague as "business casual," how does a woman know what's right and what's terribly wrong?

    • Why are the keys arranged the way they are on a QWERTY keyboard?

      computer

      Why are the keys arranged the way they are on a QWERTY keyboard?

      The QWERTY keyboard dates all the way back to the first typewriters. Why are the keys arranged this way, rather than alphabetically?

    • Can our brains see the fourth dimension?

      science

      Can our brains see the fourth dimension?

      Most of us are accustomed to watching 2-D films with flat images. But when we put on 3-D glasses, we see a world that has depth. We can imagine existing in such a world because we live in one. What about another dimension altogether?

    • Why do we have eyebrows?

      health

      Why do we have eyebrows?

      Eyebrows add expression to your face, and are often waxed and plucked in the name of beauty. But why do we have them in the first place, and what would happen if they went away?

    • How do antibiotics work?

      health

      How do antibiotics work?

      An antibiotic selectively kills bacteria, but not the cells in your body. How do these mighty meds work their magic?

    • Is there a real way to lose belly fat?

      health

      Is there a real way to lose belly fat?

      When it comes to the battle of the bulge, many of us are losing -- especially in the waist area. Is there a healthy, safe way to get rid of belly fat?

    • American Politics in Souvenirs and Slogans

      people

      American Politics in Souvenirs and Slogans

      Come convention time, you’ll see attendees sporting head-to-toe political regalia. What’s the history of these tiny statement-makers, and which campaign tchotchkes make plain old buttons look dull?

    • Green Science Pictures

      science

      Green Science Pictures

      This green science image gallery shows eco-friendly applications as they apply to scientific disciplines. Take a look at these green science pictures.

    • Parthenon Pictures

      adventure

      Parthenon Pictures

      The Parthenon was constructed thousands of years ago, but with so much pollution and so many visitors, it may not last for long. Take a look at the Parthenon in Athens, Greece.

    • History of Radio Pictures

      electronics

      History of Radio Pictures

      You can’t see radio waves, but you can check out relevant telegraphs, vacuum tubes and early radio models in this gallery.

    • National Park Pictures

      adventure

      National Park Pictures

      Ever since the first national park was established in the United States, they've been a getaway for relaxation and adventure for humans, and a safe haven for wildlife. Take a journey through America's national parks.

    • Computer Hardware Pictures

      computer

      Computer Hardware Pictures

      Are you curious about what's inside your computer? Browse through these computer hardware pictures and take a tour of your PC, from RAM to hard drives and everything in between.

    • Science and Nature: Fractals

      science

      Science and Nature: Fractals

      Fractals produce fascinating and intricate designs. Browse through this gallery featuring pictures of a variety of fractals like Mandelbrot and Julia sets and find out why nature is loaded with fractals.

    • Sports Car Pictures

      auto

      Sports Car Pictures

      Feeling the need for speed? Get your fix here -- our sports car image gallery features some of the fastest, most powerful models the automotive world has ever known.

    • Mysterious Marine Animal Pictures

      animals

      Mysterious Marine Animal Pictures

      Ah, the secrets of the sea. In this gallery, we'll introduce you to some of the more enigmatic animals that drift in the ocean, swim in the sea or shoot their intestines out of their anus in saltwater. Jump in.

    • African Animal Pictures

      animals

      African Animal Pictures

      Many kinds of animals are native only to Africa, such as gorillas, chimpanzees, zebras, giraffes, hippopotamuses. Take a gander at these amazing African animals and see how many you recognize.

    • Cool Foods and Drinks Pictures

      recipes

      Cool Foods and Drinks Pictures

      When the mercury rises, you need help keeping cool. These bites and beverages will refresh you whether you're at the beach, a backyard barbecue or just driving around town in the blistering heat.

    • Plus-size Brides

      lifestyle

      Plus-size Brides

      Plus-size brides aren't stuck with A-line dresses or full-skirted ball gowns. A simple sheath can flatter the figure when it's made from quality materials that skim over the body instead of clinging to it. Explore our beautiful plus-size bride album.

    • Oil Field Pictures

      science

      Oil Field Pictures

      These pics will take you to the jungles of Sumatra, the Niger delta and points in between all in the name of oil. Get ready to learn about oil all around the globe.

    • Shark Pictures

      animals

      Shark Pictures

      Sharks are an intelligent and sometimes dangerous species of saltwater fish. Learn more about these often feared, often misunderstood creatures of the deep in this gallery.

    • Classic Muscle Car Pictures

      musclecars

      Classic Muscle Car Pictures

      See pictures of everyone's favorite fast, powerful, gas guzzling cars from the '60s and '70s. They may not be eco-friendly, but they sure were fun while they lasted.

    • Green Living Pictures

      home

      Green Living Pictures

      Do you want to learn simple ways to help preserve our planet? Discover some small steps we can take every day that can help save our planet. Check out these Green Living pictures to learn how.

    • Gun Pictures

      science

      Gun Pictures

      Guns come in all shapes and sizes. Put on your safety gear and take a look at this gallery of revolvers, Glocks, shotguns and even flamethrowers.

    • 5 Best and Worst Ways to Battle Belly Bloat

      health

      5 Best and Worst Ways to Battle Belly Bloat

      Avoid bloating this bathing suit season by taking these bloating tips to heart and looking great in your slimmest bathing suit!

    • Stress Relief Pictures

      health

      Stress Relief Pictures

      Stress is a part of modern life, though it can be bad for your health. Learn ways to relieve stress that are simple and easy to do with this image gallery.

    • Real Estate Pictures

      home

      Real Estate Pictures

      If you own a home or are interested in owning one in the future, take a look at our real estate pictures. See how the market works, what affects it and what it takes to become a homeowner or landlord.

    • Personal Hygiene Pictures

      health

      Personal Hygiene Pictures

      Do you floss, shower, comb your hair? Take a look at how your daily routine affects your health and learn about personal hygiene with this image gallery.

    • Motorcycle Pictures

      auto

      Motorcycle Pictures

      Motorcycles have evolved in countless ways since their creating near the beginning of the 20th century. Check out our motorcycle image gallery to see how this trend exploded into the coutless motorcycle models, choppers and sport bikes you know today.

    • Cool Camera Stuff Pictures

      electronics

      Cool Camera Stuff Pictures

      Cameras are everywhere -- in phones and cars, on buildings and street corners, and even in outer space. Check out the technology, gadgets and imagery that are all part of the bigger camera picture.

    • Computer Pictures

      computer

      Computer Pictures

      Computers have come a long way in the past few decades -- from filling up a room to slim and sleek designs that can nearly fit in your pocket. Take a look at some of the old and new models and learn about all the different features and types of these amazing machines.

    • Weight Loss Tips Pictures

      health

      Weight Loss Tips Pictures

      Need some weight loss tips? Discover some weight loss tips in our image gallery and get quick and easy ideas for losing weight.

    • Test Your Real Knowledge on Fake People

      people

      Test Your Real Knowledge on Fake People

      We all know that if it sounds or looks too good to be true, then it probably is, whether it's a knockoff Coach bag (the real ones have serial numbers) or that new hot girl you met online (is she really that beautiful?). Can you tell the difference between a real person and a fake one online?

    • The Ultimate Toronto Quiz

      adventure

      The Ultimate Toronto Quiz

      Originally a meeting place for native-Americans, Toronto is now a diverse metropolis. Take in a ball game by day -- or visit the nearby waterfalls. There's a 700-acre zoo that the kids can really enjoy, and with thousands of restaurants to choose from, there's something for the whole family. Take our quiz to learn more about how Toronto works.

    • The Ultimate Sex Quiz

      health

      The Ultimate Sex Quiz

      Making love. A roll in the hay. The mattress mambo. Doin' the deed. Ready to test how much you know about sex? As Marvin Gaye would say, let's get it on.

    • Are you a lock-picking expert?

      home

      Are you a lock-picking expert?

      If you find yourself locked out of your house, you might be tempted to learn your way around a lock pick. But while the theory is easy, getting a lock to open without a key is a little harder.

    • Nanogenerators: Tiny Tech, Big Questions

      electronics

      Nanogenerators: Tiny Tech, Big Questions

      Nanogenerators can turn subtle body movements like your heartbeat into power for electronic devices. Think you have what it takes to power through our nanogenerator quiz?

    • Building a Billion: Do you know how to make serious money?

      money

      Building a Billion: Do you know how to make serious money?

      Some people have a knack for making money. Everything they touch seems to turn to gold, silver or oil. Are you one of them? Could you amass a billion dollars or perhaps a tad smaller amount?

    • Fact or Fiction: Motorcycle Gangs

      auto

      Fact or Fiction: Motorcycle Gangs

      Since at least the 1960s, outlaw motorcycle gangs like the Hells Angels, the Outlaws and the Mongols have ruled the roads. The FBI considers OMGs to be some of the most dangerous organized criminal syndicates. Test your knowledge on the history and present day activities of these unruly riders on two wheels.

    • Body Works: Sleep Quiz

      health

      Body Works: Sleep Quiz

      Some days, there's nothing like a good nap, even if you know it might keep you up into the wee hours of the night. Have you ever pondered the secrets of sleep? Take this quiz to learn all about sleep and those little jumping sheep.

    • Fact or Fiction: Stretch Marks

      health

      Fact or Fiction: Stretch Marks

      Many a pregnant woman has slathered her belly with lotions in a vain attempt to avoid stretch marks. But the truth is, most women get them at some point or another, whether it happens during pregnancy or not. So is there anything you can do about it?

    • The Ultimate Ocean and Marine Life Quiz

      animals

      The Ultimate Ocean and Marine Life Quiz

      Oceans cover most of the Earth's surface. They include a vast diversity of life, everything from plants to large mammals. Oceans represent a truly undiscovered world for most people. Take this quiz and learn more about ocean life.

    • Are you a vampire?

      science

      Are you a vampire?

      Have you been feeling a little off lately? Like maybe something's not quite right? Ordering your steaks extra, extra bloody? If you score above a 15 in this quiz, you might want to avoid holy water and garlicky foods for quite some time, or, you know, an eternity.

    • Seeing Red: Test Your Anger Knowledge

      science

      Seeing Red: Test Your Anger Knowledge

      So you've been passed over again at work for that promotion you wanted. You're so angry that you can't get any more work done today, so you've come to HowStuffWorks to spend the rest of the day doing quizzes. Maybe understanding anger might help you to relax!

    • Who said it: Darth Vader or Obi-Wan Kenobi?

      entertainment

      Who said it: Darth Vader or Obi-Wan Kenobi?

      Squared off on opposite sides of the Force, it might seem like Darth Vader and Obi-Wan Kenobi have nothing in common. One is tall, dark and deadly, and the other's, well, not.

    • Apple Boot Camp Quiz: Drop and give me 20 (GB)!

      computer

      Apple Boot Camp Quiz: Drop and give me 20 (GB)!

      Boot Camp makes it possible for you to run both Mac OS X and Microsoft Windows on Mac computers. Think you know how to navigate both systems at once? Lace up your (digital) combat boots and show your knowledge.

    • Think Fast: Test Your CPR Knowledge

      health

      Think Fast: Test Your CPR Knowledge

      CPR guidelines have changed over the years. Would you know what to do in an emergency? Test your skills here.

    • The Ultimate Superhero Quiz

      entertainment

      The Ultimate Superhero Quiz

      This quiz is able to leap tall buildings in a single bound. Bullets ricochet off its chest (although it ducks when the emptied gun is thrown at it). Test your knowledge of superhuman ability while we stretch your brain to the limits. Pow! Kunk! Whap!

    • Girly Body Parts: Why do you embarrass me so?

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