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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 Completely Wrong Ways to Use a Condom
      health 10 Completely Wrong Ways to Use a Condom

      OK, so you've never pinned a rubber to a bulletin board. But what about the old inside-out error? Or the thing about squeezing the air out of the tip? It's never too late to learn. We won't judge.

    • 10 Apps for Rooted Android Phones
      electronics 10 Apps for Rooted Android Phones

      Rooting allows you to tweak your Android smartphone settings to your heart's desire, via apps. We'll share 10 of our favorites with you in this article.

    • 10 Cheap Ways to Landscape
      home 10 Cheap Ways to Landscape

      Some home and garden experts recommend spending between 5 and 15 percent of your home's value to landscape your yard. Well, we've got 10 tips to keep your landscaping budget in check -- and to ensure a lush, lively lawn.

    • 10 Highest Paying Jobs in the Film Industry
      entertainment 10 Highest Paying Jobs in the Film Industry

      You'd think that everyone who works in Hollywood is filthy rich, but the reality is that the film industry doesn't pay most of its employees more than any other. However, some people are making out like bandits.

    • Top 10 Most Beautiful Drives in the United States
      adventure Top 10 Most Beautiful Drives in the United States

      The road trip is an American tradition, and some drives are simply more beautiful than others. If you're looking to tour the country by car, which scenic routes should you take?

    • Top 10 Myths About the Brain
      science Top 10 Myths About the Brain

      You only use 10 percent of that big, wrinkled mass of smarts -- unless you listen to Mozart. At least, that's what we've heard about the brain. But how many common brain beliefs are just plain wrong?

    • Top 10 Putting Tips
      entertainment Top 10 Putting Tips

      It's great to whack balls at the driving range, but putting is actually 40 percent of your game. So you need to give it some love. How can you improve your skills on the green?

    • 10 Really Smart People Who Did Really Dumb Things
      science 10 Really Smart People Who Did Really Dumb Things

      Having a Ph.D., four stars on your general's uniform or a seat in the Oval Office won't necessarily stop you from doing things that make others want to whack you on the head with a "how could you?" Here are 10 who should've thought twice.

    • 10 Questions You Should Ask Your Realtor
      home 10 Questions You Should Ask Your Realtor

      Buying or selling a home can be stressful, but choosing the right real estate agent can reduce the hassle. Proper interviewing will help you find one who sees you as more than just a fat paycheck.

    • 10 Homemade and Healthy Salad Dressings
      recipes 10 Homemade and Healthy Salad Dressings

      Although many people turn to salads for a healthy meal, one simple thing can ruin good intentions -- the salad dressing. To help cut back on the fat, we have ten easy-to-make dressings that can keep your greens healthy and great-tasting.

    • Top 10 Picnic Foods
      recipes Top 10 Picnic Foods

      If you're planning a walk to the park, afternoon on the beach or scenic drive, take along a few classic picnic foods that will satisfy your discriminating palate while celebrating the luxury of eating in the open air.

    • 10 Most Common Reasons for an ER Visit
      health 10 Most Common Reasons for an ER Visit

      Emergency rooms on TV dramas seem exciting, but these portrayals overlook a lot of reality. Here, we look at the 10 most common reasons for an ER visit.

    • Top 10 Signs of Transmission Trouble
      auto Top 10 Signs of Transmission Trouble

      Transmission repairs can be expensive. When you notice something out of the ordinary, it's time to consider the problem and find a way to fix it. But do you know the signs?

    • 10 Dinner Party Themes Your Guests Will Love
      recipes 10 Dinner Party Themes Your Guests Will Love

      Anyone can host guests for a meal and have an enjoyable time. Come up with a theme, call it a dinner party and viola; you're a hit. Here are 10 ideas to consider.

    • Top 10 Ways to Prevent Nail Biting
      health Top 10 Ways to Prevent Nail Biting

      Sometimes, you just can't seem to help yourself. You resolve to quit biting your nails only to find your fingers looking ragged and bloody at the end of the day. How can you kick your nervous habit?

    • 10 Science Questions You Should Really Know How to Answer
      science 10 Science Questions You Should Really Know How to Answer

      Why is the sky blue? What's the theory of relativity all about? If you find yourself thinking, "something to do with light and physics and stuff," we have some short explanations to dazzle your friends, or at least your kids, with your new erudition.

    • 10 Cool Inventions from the 1980s
      science 10 Cool Inventions from the 1980s

      Though the 1980s might remind you of the days of MTV and leg warmers, there was a lot going on in technology. In fact, quite a few of the technologies we rely on today were making their debut.

    • 10 Common Genetically Modified Foods
      recipes 10 Common Genetically Modified Foods

      Depending on how you look at it, the practice of genetically engineering crops is either a boon for civilization and the greatest hope to feed a hungry world, or a dangerous interference with nature that threatens both our health and our ecosystem.

    • 10 Unusual Items from McDonald's International Menu
      money 10 Unusual Items from McDonald's International Menu

      Would you like some french fries with that McArabia, sir? Or a soda to wash down that -- porridge? The golden arches may look the same globally, but the menu sure doesn't.

    • Freeze and Reheat: 10 Make-ahead Meals
      recipes Freeze and Reheat: 10 Make-ahead Meals

      Frozen food can be an asset to anyone who doesn't have time to cook an entire meal. So why not freeze some dinners to reheat at a later date?

    • 10 Ways a Survival Bracelet Can Save Your Life
      adventure 10 Ways a Survival Bracelet Can Save Your Life

      It may not look like much, but this little piece of wrist wear is very useful in a bind. Unlike other jewelry, it can help you get dinner, stop blood or make a shelter.

    • 10 High-paying Dirty Jobs
      money 10 High-paying Dirty Jobs

      These jobs probably weren't on your list of what you wanted to be when you grew up. But now that you're in the rat race, you may wonder if a dirty job is more profitable than your desk jockey career.

    • 10 Health Benefits of Swimming
      health 10 Health Benefits of Swimming

      Swimming is one of the most rewarding activities an athlete can try. It can be as relaxing or as strenuous at you can make it, and it provides a host of health benefits. Here are 10 of the most important.

    • 10 Most Stressful Jobs in America
      money 10 Most Stressful Jobs in America

      Unemployment can cause stress, but some jobs are stressful, too. The next time you find yourself sweating over some deadline, remember that some people get paid to risk their lives -- or save the lives of others -- every single day.

    • What are the 10 most prevalent forms of torture and why?
      science What are the 10 most prevalent forms of torture and why?

      Somewhere in the world, a prisoner likely is enduring torture right now. Human rights organizations have made it their mission to report these crimes against men, women and children. Here are 10 of the most common ways torture is perpetuated in modern society.

    • What's the fastest way to thaw a frozen turkey?
      recipes What's the fastest way to thaw a frozen turkey?

      What's the fastest way to thaw a frozen turkey on Thanksgiving? Check out this article to find out the quickest way to thaw a frozen turkey.

    • What existed before the big bang?
      science What existed before the big bang?

      So much of our cosmological history starts with the much-discussed big bang, but what led up to that cataclysmic moment? And did time even exist back then?

    • Why do I get canker sores in my mouth?
      health Why do I get canker sores in my mouth?

      Even though one in five people gets canker sores, no one knows why. Luckily, there are some simple strategies for taking care of them.

    • How much actual money is there in the world?
      money How much actual money is there in the world?

      The Federal Reserve is responsible for tracking all of the money in circulation and on deposit in the United States. That's a formidable job for just one country, so how does one count all of the money in the world?

    • How do I know when my tires need to be rotated?
      auto How do I know when my tires need to be rotated?

      Tire rotation isn't hard: It won't take you long and it's cheap to have done professionally. Still, it's something we often neglect to do. How often should you rotate your tires?

    • Is it bad if your brake pedal goes to the floor?
      auto Is it bad if your brake pedal goes to the floor?

      There are actually several reasons that your brake pedal might suddenly go all the way to the floor when you're trying to slow or stop your car. So why would it do that? And is it really all that bad?

    • Why are my brakes squeaking?
      auto Why are my brakes squeaking?

      Squeaky brakes can panic a driver, as brakes are arguably the most important safety feature in automobiles. Sometimes the concern is warranted, as the brakes are going bad. Other times, however, there may be nothing wrong at all.

    • Will drinking coffee really stunt your growth?
      science Will drinking coffee really stunt your growth?

      Will slipping some java into a child's sippy cup result in an undersized tyke? An old wives' tale would have you believe so. Does coffee affect your measurements -- or does it just help you stay awake?

    • What does R.S.V.P. mean?
      people What does R.S.V.P. mean?

      The initials R.S.V.P. are at the end of many invitations. What does it mean? Find out what the initials stand for, and where the R.S.V.P. tradition originated in this article.

    • What does the check engine light usually mean?
      auto What does the check engine light usually mean?

      Most everyone sees that small, menacing glare appear on their car's dash from time to time: the check engine light. What does it mean, and what should you do when it comes on?

    • If I have a gas leak in my home, will I die?
      home If I have a gas leak in my home, will I die?

      There's a reason a natural gas leak has a rotten egg odor. That stink is meant to signal danger. Any spark -- a match or even a light switch -- could cause a serious explosion.

    • Why is there a sewage smell in your bathroom?
      home Why is there a sewage smell in your bathroom?

      It's not uncommon for your bathroom to occasionally have bad odors. But when you smell sewage, that's usually not a good sign.

    • Does saltwater work as mouthwash?
      health Does saltwater work as mouthwash?

      If you're stuck at sea, salty water won't quench your thirst, but will it improve your oral hygiene? We'll sleuth out whether saltwater is an effective mouthwash -- or not -- in this article.

    • What causes underarm odor?
      health What causes underarm odor?

      Raise your hands if you're sure you know what causes the human axillary regions to be odoriferous. Not waving your hand in the air? Then read the article.

    • Should you floss before or after brushing?
      health Should you floss before or after brushing?

      You probably know by now that you should floss once a day, but when should you do it? And should it be before or after you brush?

    • How does the oxygen sensor in a car work?
      auto How does the oxygen sensor in a car work?

      An oxygen sensor in a car is a very important part of making your engine run smoothly. Learn what it does and what can happen if your oxygen sensor fails.

    • What's the best way to get rid of warts?
      health What's the best way to get rid of warts?

      You may not get a wart from kissing a frog in hopes it turns into a prince (or princess), but you can get warts from direct contact with that prince or princess. What's the best way to zap them?

    • When you have an itch, what is happening under your skin?
      health When you have an itch, what is happening under your skin?

      What exactly is an itch? Find out what your nerves register as "itching" and why you need to scratch so badly.

    • Do battery-saving apps really work?
      electronics Do battery-saving apps really work?

      These days, smartphones are mini computing devices that suck up power like nobody's business. Are battery-saving apps the cure for power-hungry phones?

    • How does glow-in-the-dark stuff work?
      science How does glow-in-the-dark stuff work?

      You can find glow-in-the-dark item everywhere these days. Have you ever wondered how these items produce their light? Find out the answer to that question in this article.

    • Can humans survive on air alone?
      science Can humans survive on air alone?

      If you had the perfect cure for world hunger, wouldn't you want to share it? A group called the Breatharians claims to have the answer: Stop eating.

    • Why is the sky blue?
      science Why is the sky blue?

      Chances are you could formulate a reasonably well-informed guess. Why not read the article and get the definitive answer?

    • How does a carburetor work?
      auto How does a carburetor work?

      The goal of a carburetor is to mix just the right amount of gasoline with air so that the engine runs properly. Learn more about how a carburetor in a gasoline engine works.

    • What does GSM mean in a cell phone?
      electronics What does GSM mean in a cell phone?

      The most useful thing to know about the Global System for Mobile communications (GSM) is that it is an international standard. If you travel in Europe and many other parts of the world, GSM is the only type of cellular service available.

    • Is it better to turn my computer off or leave it on all the time?
      computer Is it better to turn my computer off or leave it on all the time?

      Several factors determine whether you should leave your computer on or off overnight. Networking, economic factors, and stressed-out components all play a part.

    • Video Game System Pictures
      electronics Video Game System Pictures

      Video games have become an incredibly popular -- and diverse -- pastime since their introduction. Explore the history of video game systems, from the Atari to the Xbox 360.

    • Investing Pictures
      money Investing Pictures

      From learning to invest to protecting yourself in a volatile market, check out this image gallery for the big picture. Learn about investment types, the stock market and learn about a few investing pitfalls.

    • X-ray Pictures
      health X-ray Pictures

      Wonder what the inside of your body looks like? Take a look at x-ray pictures to see parts of the body and medical conditions under x-ray.

    • The Elephant Man Image Gallery
      health The Elephant Man Image Gallery

      Joseph Merrick, the "Elephant Man," was the most shockingly disfigured person in history. Parts of his body were grossly enlarged. Check out these images of the Elephant man.

    • Steampunk Blimps: Airships that Will Take You Back to the Future
      science Steampunk Blimps: Airships that Will Take You Back to the Future

      Steampunk enthusiasts imagine an alternate version of history, where the dress code demands petticoats and suit vests and airships are the most romantic forms of all transportation.

    • Sport Pictures
      entertainment Sport Pictures

      Can you name Canada’s two official sports? How about the second most popular sport in the United States? We can tell you. Your teammates are going to be dazzled by your newfound trivia.

    • TV Evolution Pictures
      electronics TV Evolution Pictures

      TVs have come a long way since the early days. Tune in to see how televisions have evolved from the clunky sets of the 1940s to today’s streamlined, Internet-accessing units.

    • The World's Most Beautiful Skylines
      adventure The World's Most Beautiful Skylines

      Can the ultra-modern skyscrapers, congested roadways and bright lights characteristic of today's concrete jungles be attractive? Absolutely! See some of the most beautiful skylines the modern world has to offer.

    • Dog Pictures
      animals Dog Pictures

      The relationship between people and dogs goes back at least 15,000 years, making dogs potentially the first animal to be domesticated. View this image gallery to get a sense of the variety of this canine species.

    • Computer Networking Pictures
      computer Computer Networking Pictures

      The Internet is in a constant state of evolution, and the components involved in that state of perpetual progress are always evolving as well. See all the pieces that have worked together to form computer networks through the years.

    • Kiss Your Way to Good Health
      health Kiss Your Way to Good Health

      Have you ever wondered what the health benefits of kissing are? Read on to learn how a healthy dose of kissing can improve your life.

    • Men of War Image Gallery
      history Men of War Image Gallery

      Becoming famous through war is nothing new -- many military men have been lauded and feared throughout history. Many have had long political careers as well. We’ve collected photos of leaders -- from Caesar to MacArthur -- who have been characterized as both heroes and villains.

    • MRI Pictures
      health MRI Pictures

      Take a look at MRI pictures to explore MRI technology and see what the body looks like on the inside. Explore MRI pictures and learn how MRI works.

    • Hybrid Car Pictures
      auto Hybrid Car Pictures

      Hybrid cars have evolved from a new eco-friendly technology to near mainstream status. Take a look at a wide variety of hybrid cars and see what makes them so special. Check out hybrid car image gallery.

    • Home Construction Pictures
      home Home Construction Pictures

      You may be sitting in your house this very second, but do you have any idea what it took to build it? From foundation to framing, these home construction pictures will show you the stages of building a house.

    • Greatest Tech Masterminds of All Time
      science Greatest Tech Masterminds of All Time

      These techno-wizards shaped our world with their inventions and ideas. Get to know some of our favorite tech masterminds, from Babbage, Turing and Lovelace to their modern equivalents.

    • Virtual Reality Pictures
      electronics Virtual Reality Pictures

      What do you think of when you hear the words virtual reality (VR)? A clunky helmet wired to a computer with thick cables? Or funky goggles and high-tech feedback gloves? Explore the many virtual reality applications and technologies.

    • Healthy Aging Pictures
      health Healthy Aging Pictures

      Aging happens to everyone, although we like to do our best to avoid it. Take a look at these health aging pictures for some fun and healthy ways to age gracefully.

    • Nuclear Power Pictures
      science Nuclear Power Pictures

      Nuclear power stands as one of humanity's greatest scientific achievements, as well as one of the greatest risks to its self-extermination. This collection of images highlights some of the main features of nuclear power.

    • Heart Pictures
      health Heart Pictures

      The heart is crucial to life and the focus of love. Explore the parts of the heart and how your heart works, plus take a look at real pictures of human hearts with this gallery.

    • Top Selling Electronics
      electronics Top Selling Electronics

      We all like our gadgets, especially those that make live easier or just plain fun. Take a look at some of the most sold electronics out there to see if your favorite made the list.

    • Christopher Columbus Pictures
      history Christopher Columbus Pictures

      Christopher Columbus inspired a popular children's rhyme with his 1492 voyage. Take a look at these pictures to learn more about the explorer and his trips across the Atlantic.

    • U.S. Wedding Destinations
      lifestyle U.S. Wedding Destinations

      Forget destination weddings and seek inspiration from a map of the United States. Whether you're into beaches, mountain ranges, quaint towns or natural wonders, you can plan a gorgeous getaway that doesn't require a passport!

    • Inside an Etch-a-Sketch
      entertainment Inside an Etch-a-Sketch

      The Etch-a-Sketch drawing toy has been popular with several generations of children -- and it's a pretty amazing device. We cracked one open to see what was inside.

    • Movie Making Pictures
      entertainment Movie Making Pictures

      The art of making movies can be a complex and demanding process. In this gallery, pictures of the filmmaking process and the movie industry are featured.

    • Bizarre Foods Quiz
      recipes Bizarre Foods Quiz

      Plenty of people stick to plain old meat and potatoes, but many prefer to throw caution to the wind and eat on the wild side. Those of you who enjoy trying wacky new dishes or who simply want to gawk at the outrageous delicacies others enjoy should take this quiz to expand your culinary horizons in ways you never thought possible!

    • Level Up! Video Game Myths Quiz
      electronics Level Up! Video Game Myths Quiz

      Are you a player? Have you been there, done that, completed every quest and leveled all the way up? Then get ready to face the myths and rumors of the video game world to see how much you really know. Game on!

    • Puppies and Goslings and Lambs, Oh My! The Baby Animals Quiz
      animals Puppies and Goslings and Lambs, Oh My! The Baby Animals Quiz

      Are you ready to overdose on adorable animal trivia? And we’re not talking just any adorable animals -- we’re talking about fuzzy-wuzzy baby animals. How much do you know about their names, care, habits and literary counterparts?

    • Writing it Off: Test Your Income Tax Knowledge
      money Writing it Off: Test Your Income Tax Knowledge

      Whether you're a tax whiz or you farm your return out to the professionals, it's good to know a bit about how to file your taxes. Test your income tax know-how in this quiz.

    • Gadget Savvy:  Batteries Quiz
      electronics Gadget Savvy: Batteries Quiz

      You can find batteries under the hood of your car, inside a TV remote -- even within hearing aids. Batteries were invented nearly two centuries ago, and they keep getting more sophisticated. But how well do you know what's at work inside these cans of chemicals?

    • Are you body smart?
      health Are you body smart?

      When it comes to your body, how much do you know? Test your knowledge with this quiz adapted from "YOU: The Owner's Manual", by Dr. Mehmet Oz and Dr. Michael Roizen.

    • Name That Scientific Law -- and the Big Brain Behind It
      science Name That Scientific Law -- and the Big Brain Behind It

      Chances are you've heard of many of the scientific laws we're about to mention, along with the geniuses behind them. The question is, can you put the two together?

    • The Ultimate Neuropathy Quiz
      health The Ultimate Neuropathy Quiz

      Difficult to diagnose and tricky to treat, neuropathic pain is often as puzzling as it is painful. Take this quiz to see how much you know about what neuropathy is and how to treat it.

    • Flying High: Skydiving Quiz
      adventure Flying High: Skydiving Quiz

      Skydiving has been described as one of the greatest adrenaline rushes a human being can have. So what keeps skydivers safe as they plummet to Earth? And what happens if something goes wrong on your jump?

    • Quiz: Airplane Myths and Facts
      science Quiz: Airplane Myths and Facts

      Although the wonder of human flight has become commonplace, misinformation and rumors abound about airplanes and air travel. Do you, dear frequent flyer, think you can tackle our quiz?

    • How to Get Rid of Dark Circles Under Eyes Quiz
      health How to Get Rid of Dark Circles Under Eyes Quiz

      Dark circles are actually hyper-pigmented areas that make that spot under your eye look darker than the skin that surrounds it. But what causes them -- and how on Earth can they be erased? See how much you know with this quiz.

    • The Ultimate Tasmanian Devil Quiz
      animals The Ultimate Tasmanian Devil Quiz

      The Tasmanian devil looks and sounds terrifying is and its bite is even worse. However, the Tasmanian devil population is being devastated by a contagious cancer. Take this quiz to learn more about the Tasmanian devil's problem with possible extinction.

    • SD Memory Card Quiz
      computer SD Memory Card Quiz

      SD cards can sock away gigabytes of data like nobody's business. They're small and reliable, perfect for digital cameras, smartphones and other portable electronics. Test your knowledge of these flash-memory wonders.

    • Mockingjays and Archers' Arrows: 'The Hunger Games' Quiz
      entertainment Mockingjays and Archers' Arrows: 'The Hunger Games' Quiz

      Lucky you! You’ve been chosen by the Capitol to represent your District in 'The Hunger Games' Quiz. Are you ready? In the words of Effie Trinket, "Happy Hunger Games! And may the odds be ever in your favor!"

    • The Ultimate Horse Quiz
      animals The Ultimate Horse Quiz

      The horse has served man well in various roles -- in war, hunting and sport. They also figure prominently in mythology and literature. Take this quiz and learn more about these magnificent creatures.

    • May the Force Be With You: A Striking Star Wars Quiz
      entertainment May the Force Be With You: A Striking Star Wars Quiz

      If you've been to DragonCon more times than you can count and can rattle off everything that's wrong with Episodes 1, 2 and 3, then we've got a quiz for you. Test your knowledge of all things Star Wars with this quiz. (Note: Using the Force is considered cheating.)

    • Digital Fingerprinting: Test Your Knowledge of Online Forensics
      computer Digital Fingerprinting: Test Your Knowledge of Online Forensics

      No, this quiz isn't about scanning fingerprints -- it's about Web technologies used to prevent copyright infringement and track your online identity. See how much you know.

    • Celebrity Challenge: Famous Artists
      entertainment Celebrity Challenge: Famous Artists

      Artists are the visual historians of society, transforming ideas and events into paintings, drawings, sculptures and more. Certain artists have wielded their craft so successfully that their work, in turn, has influenced history. Test your knowledge of some of these groundbreaking visionaries by taking the famous artists quiz.

    • Behind the Mask: The Superhero Alter-Ego Quiz
      entertainment Behind the Mask: The Superhero Alter-Ego Quiz

      Yes, you probably already know who Superman's alter-ego is, but we bet you can't match every superhero with their ordinary-Joe personas! Test your knowledge of superhero secret identities in this quiz.

    • Facebook No-nos Quiz
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You Complete Me: The Rom-com Quiz
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You Complete Me: The Rom-com Quiz
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stuff of the day

Did you know: Maine is the only state that shares a border with only one other state -- New Hampshire. Another random fact

“Advice is what we ask for when we already know the answer but wish we didn't.” Who said it?

poll: what do you think?

When it comes to breakfast foods, do you prefer sweet or savory?

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