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Today's Mindblower
Will orbital chaos cause Earth, Venus and Mars to collide?

It's not a pleasant thought, is it? But when you mix chaos theory with a few crazy cosmologists, those tidy, predictable orbits start getting lively.

    • How Hackers Work
      computer How Hackers Work

      Hackers have been attacking Adobe Acrobat 9 on Windows after a critical security vulnerability was found. Take a look at hacker culture and the various kinds of hackers, some of whom have run afoul of the law.

    • How U.S. Criminal Records Work
      people How U.S. Criminal Records Work

      Former Penn State assistant football coach Jerry Sandusky was arrested and jailed Wednesday on new child sex abuse charges. Every arrest and conviction goes on a criminal record, which is stored in massive computer databases that are accessible throughout the world. Once you have a criminal record, will it ever go away?

    • What would it take to reverse global warming?
      science What would it take to reverse global warming?

      The two largest producers of carbon dioxide emissions, the U.S. and China, butted heads again this week at the U.N. climate talks. Most scientists agree that human interference in the environment has something to do with the recent trend of rising temperatures on the Earth. What can we do about it?

    • Top 5 Myths About Apple
      electronics Top 5 Myths About Apple

      Apple opens its new flagship store in Grand Central Terminal in New York City today. Apple is one of the most successful companies around -- and one of the most mysterious. Here, we consider and debunk five of the biggest myths surrounding this tech giant.

    • Does the Higgs boson exist?
      science Does the Higgs boson exist?

      The European Organization for Nuclear Research (CERN) is providing an update on the search for the Higgs boson particle next week on Dec. 13. Rumors say it has been found, but does it even exist?

    • Top 10 Tips for Having a Good Flight
      adventure Top 10 Tips for Having a Good Flight

      Some things prevent flying from being fun -- small seats, crowded legroom, snoring seatmates and having to go back to the gate when Alec Baldwin is on your flight and won’t turn off his electronics. See these tips so you can make flying easier for everyone.

    • How Plug-in Hybrid Cars Work
      auto How Plug-in Hybrid Cars Work

      GM continues to work with the government to determine the cause of Chevy Volt fires. Learn all about plug-in hybrid cars including their battery packs, which have been under investigation.

    • You Should Know Video: Transplants, Physics and the Moon
      videos You Should Know Video: Transplants, Physics and the Moon

      It's no secret that Josh and Chuck are knowledge junkies -- but how much can they learn in 60 seconds? In this playlist, the guys tackle everything from fecal transplants to frame of reference physics and theoretical journeys to the center of the moon.

    • How Lying Works
      people How Lying Works

      Former U.S. Governor Rod Blagojevich was sentenced to 14 years in prison on Wednesday after jurors agreed that he lied to the FBI and found him guilty in 18 corruption charges. Do you know how to spot a lie?

    • How Suicide Bombers Work
      science How Suicide Bombers Work

      A suicide bombing in Afghanistan on Tuesday killed dozens of people outside a Shiite shrine. Are these bombers strictly a modern phenomenon? How can they be stopped?

    • How Tsunamis Work
      science How Tsunamis Work

      Scientists have now determined that the tsunami that struck northern Japan on March 11 was caused by two waves. While it’s difficult to grasp the full effects this natural disaster has had on Japan’s people and culture, we can explain the physical factors that led to it.

    • 5 Things You Can Do to Make Your Car Safer for Driving in Foul Weather
      auto 5 Things You Can Do to Make Your Car Safer for Driving in Foul Weather

      New Mexico closed highways earlier this week and the entire country of Scotland went on alert after heavy snow and ice covered the regions. Do you know how to prepare yourself (and your car) to meet Mother Nature's fury?

    • How DUI Works
      auto How DUI Works

      The Federal Aviation Administration chief resigned on Tuesday after a drunk driving charge. So how do blood alcohol levels, police procedures and DUI punishment work? What can you do to keep your friends and family safe when you've been out drinking?

    • How the Predator UAV Works
      science How the Predator UAV Works

      The U.S. military has confirmed that Iran has the missing RQ-170 drone, an unmanned U.S. spy plane. Remotely-operated spy planes exemplify the military trend toward high-tech, low-risk equipment. What can they accomplish in battle?

    • Did the United States put its own citizens in concentration camps during WWII?
      history Did the United States put its own citizens in concentration camps during WWII?

      This week, the U.S. remembers the thousands of American sailors and soldiers who were killed during the attack on Pearl Harbor on Dec. 7, 1941. Is it true that some West Coasters were forcibly relocated after the attack?

    • 10 Remarkable Exoplanets
      science 10 Remarkable Exoplanets

      Astronomers have just announced the existence of an earthlike planet called Kepler 22-b, 600 light-years away from Earth. Take a look at 10 other cool planet discoveries.

    • Should you buy a tablet or an e-reader?
      electronics Should you buy a tablet or an e-reader?

      Apple recently reported to JP Morgan analysts that they aren't concerned about iPad competitors such as the Kindle Fire. These days, the latest tablets and e-readers allow you to read books and compute. So which device is best?

    • 5 Myths About Renewable Energy
      science 5 Myths About Renewable Energy

      The World Petroleum Congress is meeting this week in Doha, Qatar, to address concerns about global warming and the need for cleaner energy. Not everyone is sold on this vision, so a number of myths about renewable energy persist.

    • If the polar ice caps melted, how much would the oceans rise?
      science If the polar ice caps melted, how much would the oceans rise?

      Recent studies show that the Arctic ice caps originated when there was a drop in carbon dioxide levels, reinforcing the notion that the current uptick governs global climate change. The polar ice caps continue to shrink due to global warming, but how much would the oceans rise if the ice caps melted completely?

    • Stuff You Should Know Video: Space, Sneezing & Yosemite Sam
      videos Stuff You Should Know Video: Space, Sneezing & Yosemite Sam

      Join Josh and Chuck as they research the first animal in space, why people sneeze in bright sunlight and why in tarnation Yosemite Sam keeps popping up on the radio.

    • 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?

    • 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.

    • 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 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.

    • 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 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.

    • 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 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?

    • 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.

    • 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.

    • 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 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 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 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?

    • 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.

    • 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 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.

    • 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.

    • 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 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 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 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.

    • 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.

    • 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 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.

    • 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?

    • 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?

    • 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 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?

    • 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?

    • 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?

    • 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.

    • 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?

    • 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.

    • 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 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?

    • 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 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?

    • 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.

    • 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?

    • 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 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.

    • 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 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.

    • 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?

    • 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.

    • 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 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 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 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?

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • Famous Landmarks
      adventure Famous Landmarks

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

    • 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.

    • 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.

    • 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.

    • 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!

    • 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.

    • 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.

    • 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.

    • 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.

    • 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?

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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?

    • 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!

    • 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.

    • 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?

    • 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.

    • 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?

    • 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 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.

    • 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.

    • 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?

    • 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.

    • 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?

    • 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.

    • 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.

    • 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.

    • Diabetes Quiz
      health Diabetes Quiz

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

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

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