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Today's Mind-blower

10 DIY Projects for Tech Nerds

Want to put that brain to work with some DIY that will actually help you in your day-to-day grind? From cooking with the sun to protecting the screen on your smartphone, these projects will satisfy your crafty techie side.

Today's Must-reads

adventure
Top 10 Most Poisonous Plants
If you swallow these plants, you could wind up with stomach convulsions, blurred vision, amnesia -- you could even die. What shouldn't you taste on your next hike?

science
What if I threw a penny off the Empire State Building?
You may have heard the tale of a person who throws a penny from the Empire State Building and kills a pedestrian below. Does this story have any truth to it?

science
Why isn't the U.S. on the metric system?
You may think of the U.S., Liberia and Myanmar as the sad-sack metric losers. The truth, however, is a little more complicated -- sort of like remembering how to switch between pounds and kilograms.

science
What happens during the dying process?
It's hard to be prepared for death. Too much is unknown about what dying feels like or what happens after we die. However, we do know a bit about the process that occurs in the days and hours leading up to death.

science
5 Physical Problems Doctors Fix With Glue
It can bond anything: wood, plastic, glass, metal and ... human tissue? Find out how medical science is making use of adhesive to heal everything from broken bones to aneurysms.

electronics
10 Futurist Predictions in the World of Transportation
Making it around the world in 80 days really isn’t anything to brag about today: The ISS does it in less than 90 minutes. But for those of us who are a little closer to the ground, we’re always looking for ways to make travel faster -- and in some rare cases, into something completely new.

science
Will you EVER get back to sleep? The Insomnia Quiz
Whether it's a few sleepless nights from time to time or long-term insomnia, millions of people are tired. Test how much you know about how to get a good night's sleep -- and what to do when you can't -- in our insomnia quiz.

science
What if a black hole formed near our solar system?
Black holes have serious pull, and they're not afraid to use it. Could one of these skulking bad boys ever arise in our home, sweet (solar system) home?

science
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?

entertainment
10 Olympic Games That Nearly Bankrupted Their Host Countries
The cost of hosting the Olympic Games has risen astronomically, but some cities are willing to foot the bill in exchange for increased tourism and better infrastructure. But what happens when it doesn't pay off? Here are 10 cautionary tales.

science
Do all dogs dream?
As the expression goes, let sleeping dogs lie. But aren't you just a little curious about what's happening when your fast-asleep pup starts thrashing around and whimpering? Is your dog dreaming?

science
What if America had lost the Revolution?
If the colonists hadn't eked out a victory against the mighty British Empire, what would have been their fate? Would leaders like the beloved George Washington and Thomas Jefferson have been executed?

history
10 of the Worst Decisions Ever Made
Everyone makes mistakes, but some lapses in judgment are spectacularly bad. What are some of history's most epic miscalculations?

computer
10 Tech Companies That Totally Imploded
The dot-com bubble produced plenty of companies that spent and grew too quickly and couldn't sustain themselves, but some burned out in spectacular style. Here are 10 tech companies that lived fast and died young.

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?

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.

science
Can a bag of water keep flies away?
Have you ever seen a water bag hanging in a restaurant? It's not a design trend -- some people say the bags repel flies. Does this method hold water?

science
Do you really stay conscious after being decapitated?
Decapitation is a surefire way to deliver a quick and painless death, right? In actuality, an increasingly large body of historical and scientific evidence suggests that beheading doesn't, in fact, deliver instant death.

entertainment
How Sword Swallowing Works
Sword swallowing is an extremely dangerous trick that doesn't involve illusions. How can it be real? We'll show you -- with explanations and diagrams of the interactions between swords and the upper GI tract. But don't try this at home!

entertainment
10 Bizarre Olympic Events
The Olympics haven't always been the pageantry-filled events they are today. Back in 1900, you might have taken in a tug-of-war contest before heading off to hot air ballooning. What other strange sports have existed in Olympic history?

science
What is déjà vu?
Déjà vu is used to describe the feeling that you experienced a situation before. What causes this phenomenon? It’s not a glitch in the matrix, but most of our knowledge on the subject is still theoretical.

adventure
How Curling Works
Curling seldom gets respect from the average Olympic watcher, what with its stones and brooms, and its leisurely pace. Yet this ancient sport dating back 500 years is growing in popularity. And it's harder than it looks.

science
Do parallel universes really exist?
Remember that traffic accident you avoided the other day? In another universe, you died. Or at least you did according to the Many-Worlds theory.

adventure
Top 10 Worst-case Scenario Medical Conditions
If you're the lone survivor of a plane crash on a deserted island or if your car breaks down on the way to grandma's, what scary medical conditions could come your way?
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.

science
10 Terrorist Plots That Failed
Since the 9/11 terrorist attacks, an estimated 54 other attacks on the U.S. have failed. And these are only the ones we know about. Some, like the underwear bomber and the shoe bomber, live on in infamy. Others are more obscure.

computer
10 Addictive Games for iPad
Casual games are meant to be played for just a few minutes, but some are so addictive you end up playing for hours.

people
10 Biggest Manhunts of All Time
Sometimes the search for a fugitive can occupy a city. Other times, the hunt is fierce enough to dominate a nation, or even several countries. Which criminals can claim they spurred some of the craziest manhunts ever?

science
10 Worst Ways to Die
C'mon. You know you've thought about this. We have, too. Want to see how your list compares with ours?

electronics
Top 10 Ways to Make Money on the Internet
Most adults leave the house every day to go to work and make money. But some people have found a way to run their own Internet businesses from home. You can do it, too.

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.

electronics
Top 5 Myths About the Internet
For something so entrenched in our everyday lives, we sure don't know much about the Internet. That might explain all of the half-truths, falsehoods and straight-up myths that surround it. We happily deconstruct five of them here.

people
10 Shows That Changed TV Forever
The best TV shows change the way we think about news, sports, drama or comedy. Which ones have had the most impact on viewers or the medium?

entertainment
Top 10 Famous Female Sideshow Freaks
From the Two-headed Nightingale to the Baboon Lady, these 10 female sideshow freaks sure knew how to put on a show. But what were their real stories?

money
10 Networking Tips for People Who Hate Networking
If the thought of entering a crowded room, and sheepishly handing out business cards to strangers while "selling yourself" gives you the heebie-jeebies, you'll appreciate our networking tips for easing the pain.

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.

entertainment
10 Games that Take Minutes to Learn and a Lifetime to Master
Games like chess and checkers have been around for centuries for a reason: They're very easy to learn, but difficult to master. What other games make the cut for this list?

computer
Top 10 Things You Should Not Share on Social Networks
If your Facebook status update reads, "Leaving for France!" you're not just gloating about your trip. You're letting everyone know that your house will be empty for about 10 days. Bad idea.

electronics
10 Strange Facts About Atomic Clocks
No, this clock won't blow up the planet. But it does use cesium and lasers to keep time so accurately that we had to change the definition of “second.” What else?

home
10 Ways to Break Into a House
You might be surprised at the tricks burglars can use to sneak inside your home. Not because they're so cunning, but because they're really quite simple. What should you be on the lookout for?

auto
5 Future Car Technologies That Truly Have a Chance
It's no secret that technology changes fast -- and the auto industry is no exception. So what's in store for future cars?

entertainment
Top 10 Wizarding Fails
In the hope of educating future wizards, we give you this sorcerer's hall of shame, populated by those who fell from grace, grasped for the stars or failed to leave the tarmac in the first place. How did your favorite wizard fare?

science
10 Scientists Who Were Their Own Guinea Pigs
People donate their bodies to science all the time, usually after death. Here, we highlight 10 scientists who experimented on themselves while they were still alive. Not always such a good idea, eh Dr. Jekyll?

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.

entertainment
5 Mind-blowing Backyard Playsets
Yeah, swings are OK. But they're a whole lot more fun when they're paired with a replica of the Ghostbusters station. Or they hang from a tree house that puts the Swiss Family Robinson one to shame. Come see.

science
10 Complete Falsehoods About Food
Don't eat after 7 p.m. Drink eight glasses of water each day. Organic food is better for you. Watch as we explode these and other well-worn food myths.

science
10 Bizarre Ways to Die
There are a lot of ways to die. Some are just more interesting than others. For example, death by deodorant or death by underwire bra.

money
10 Ways to Make Money on the Side
With the exception of winning the lottery, making serious money takes time and effort. But there are legitimate ways to make extra cash to supplement your day job income. Check out 10 ways you can moonlight and end up with some dough to show for it.

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.
electronics
iPhone Pictures
The release of any new iPhone version has people waiting in lines around the world. Take a look at the iPhone and its features in this image gallery.

people
Public Enemy Pictures
The bad, the worse and the worst. You name 'em, we've caught 'em. Check out some of the most notorious criminals in U.S. history, from gangsters to con men to bandits in love.

entertainment
Star Wars Pictures
Star Wars' is one of the most successful movie franchises in cinema history. Follow the history of 'Star Wars' in this collection of images. Mind if we come along, too?

science
Japan Tsunami and Earthquake Pictures
Many areas were completely destroyed by the 9.0-magnitude earthquake and the subsequent tsunami that struck northeastern Japan on March 11, 2011. Browse these haunting pictures of Japan's destruction following the earthquake and tsunami.

science
Bridge Pictures
Bridges are amazing displays of scientific engineering. This collection of pictures highlights some of the most spectacular structures ever created.

home
Interactive Gallery: How to Build a Fire Ring
What could be better than a cozy evening with friends gathered around your new fire pit? The tips in this interactive gallery can help you turn your toasted marshmallow dreams into an entertaining reality.

auto
Alternative Fuel Vehicle Pictures
From electricity to saltwater to air, these vehicles run on all kinds of things you'd never imagine as fuel. What might power your car in the near future?

adventure
American Landmarks
These American landmark pictures range from the natural wonders of the United States to famous works of architecture. How many of these landmarks have you visited?

home
Home Office Decor Pictures
Home office decor pictures will give you insight into how other teleworkers design their work space. Check out these home office decor pictures to learn more.

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.

home
Awesome Architecture Image Gallery
From the Taj Mahal to the Leaning Tower of Pisa to Fallingwater, flip through these beautiful examples of architecture.

adventure
Lighthouse Pictures
Lighthouses kept sailors safe from crashing their ships on rocky coasts -- until modern technology left them obsolete. Now many of them serve as museums or lodges.

science
Countries with Perfect Climates Pictures
We found paradise! From rainforests to mountaintops we have uncovered the top countries with perfect climates. Take a look at these countries and their unique climates here.

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.

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.

auto
Transmission Pictures
Manual, automatic, sequential, dual-clutch -- these are just a sample of what you'll see in this image gallery. Check out pictures of all types of transmissions right here.

computer
Laptop Pictures
Whether you are shopping for a new laptop or just curious about the latest technologies on the market, take a look at our image gallery.

science
Time Measurement Pictures
Time measurement has changed dramatically over the centuries. From the sun dial to the digital watch, which pieces stand the test of time?

money
Recession Pictures
It may not be pretty, but recessions affect us all. So how do they occur? Trace the economy's path in the 21st century from subprime collapse to the mortgage crisis to the credit market crisis.

home
Interactive Gallery: How to Build a Gazebo
That romantic gazebo you’re envisioning can be transformed from a thought to a physical structure with a little planning and sweat equity. We’ve assembled tips and tricks to turn a pile of lumber and supplies into a shaded sanctuary.

science
Image Gallery: Inside a Nuclear Power Plant
Tour the inside of a nuclear power plant with these illustrative diagrams to learn more about how nuclear power plants work.

science
Mars Landing Pictures
NASA has an SUV-sized rover on Mars, and it’s sending new data back to Earth all the time. Landing Curiosity (and other rovers) on the red planet is no small affair. Check out these pictures of rovers and the extreme engineering that goes into a successful mission.

people
Something to Talk About Pictures
Sometimes it seems that men and women speak two different languages. It's hard to see eye to eye because of the vast differences in the ways men and women communicate. Click on to see pictures of something to talk about.

science
Timeline of Sex Pictures
The how-tos of sex haven't changed much over the ages, but our understanding of what's actually happening (and why) took off during the Renaissance. How have humanity's thoughts and beliefs about sex evolved throughout history?

auto
Car Safety Pictures
Our car safety image gallery shows you car safety features, crash testing, and other technology intended to keep drivers and passengers safe. And some features you may not have heard about.
money
Phone, Phones on the Range: The Ultimate Cell Phone Stats Quiz
Can you guess how many texts your typical teen sends? Or how many cell phones are in the world? Take our challenge and see if you can pass without calling for help.

people
Fact or Fiction: Serial Killers
Serial killers aren't always creepy loners who live with their mothers -- sometimes they're seemingly average churchgoers with wives and kids. How much do you know about the history of serial killers -- and would you know if one were living next door?

money
The Ultimate McDonald's Quiz
Loved for its deep-fried goodness and loathed for its cheap, fatty fare, McDonald's has become more than just a chain restaurant: It's a bona fide cultural icon. But it'll take more than a little McNugget know-how to pass the Ultimate McDonald's Quiz.

shows
Stuff You Should Know's Ultimate Crime Scene Quiz
If you listened to Josh and Chuck's trifecta of shows about crime scenes, then you should clean up on this quiz. What did you learn about blood spatter, photography and cleanup?

entertainment
Are you wise about wands and wizards?
Hey, Muggle: Think you know all there is to know about Harry Potter? You'll need a nip of Felix Felicis for luck if you hope to get full marks on this ultimate Harry Potter quiz.

adventure
Fact or Fiction: Surviving an Animal Attack
What happens if you accidentally encounter an animal that feels threatened or frightened by you? What if it attacks? Take this quiz to see whether you've got what it takes to survive or if Mother Nature will reign supreme.

auto
Car Smarts: Exotic Cars
Exotic cars inspire a legion of car enthusiasts to empty their wallets for a taste of life in the fast lane. Will you be at the front of the pack after racing through the exotic car quiz?

science
Quiz: How do bomb-sniffing dogs work?
Your dog can roll over? Well, ours can sniff out a kilo of C-4. Take the bomb-sniffing dog quiz, and see if your score gets you a treat or the rolled-up newspaper.

science
Fire Away! 'Star Wars' Missile Defense Quiz
In 1983, U.S. President Ronald Reagan announced a new plan for protecting against a nuclear strike: the Strategic Defense Initiative. Reagan's idea almost immediately earned the unwelcome nickname "Star Wars." How much do you know about the program?

people
This Land Is Your Land: The Citizenship Quiz
For people who never leave their native countries, citizenship is simple as pie -- you simply have to be born. But being a citizen entails a lot more than just living in a nation. Test your knowledge about what it means to be a citizen.

shows
Stuff You Should Know's James Bond Quiz
James Bond is about as iconic as a movie (and book) character can be. Grab your exploding pen and let's see how you do on the ultimate Bond quiz. You might earn your license to kill.

money
Do you know the most painless ways to save money?
If your disposable income always shrinks to a few lonely dollars before your next paycheck arrives, discovering a few painless ways to save money could make a big difference in your quality of life. This quiz will get you started.

money
Can you get fired for that?
You might think your handlebar mustache is the epitome of cool, but your boss at the frozen yogurt shop disagrees. Can you get fired for personal flair? And if so, what other kinds of seemingly innocent behavior can get you sacked?

computer
Tech Talk: CPU Quiz
When you sit at your computer, browsing the Internet, playing video games and running word processors, it's easy to feel like you're in control. But have you ever thought about what really makes your desktop or laptop run?

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

electronics
Gadget Savvy: Electric Motors Quiz
Electric motors are inside all kinds of ordinary devices, using a power source to make motion. So what makes the motor go 'round?

money
Seeing Red: Which countries owe the most?
Since 2008, the global recession has threatened to topple the world's most developed and robust economies, and many wealthy nations are now saddled with burdensome debt loads. Test your knowledge of how the economic crisis has affected people from Reno to Reykjavik.

entertainment
The Ultimate Eye Puzzles Quiz
Although eye puzzles, like those created by Magic Eye, were at the peak of their popularity in the 1990s, they still exist today. Test out your knowledge of this primitive 3-D technique with our eye puzzles quiz.

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!

money
On the Money: Test Your Knowledge on the World's Craziest Currencies
Humans have assigned value to all kinds of things through the ages, from stones to spices. There’s even money made for potential encounters with alien life. How much is the intergalactic value of a Space Quid? The answer may surprise you!

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.

computer
Facebook Facts and Fiction
With more than 1 billion members and counting, Facebook is one of the fastest-growing phenomena to come out of a college dorm room. What do you know about this plot to take over the world?

science
Everyday Science: Volcano Quiz
Fiery explosions, boiling lava, hot ash spewing everywhere -- total disaster is probably the first thing that comes to mind when you think "volcano." And, yes, that is certainly a possibility. But do you know what’s really going on when a volcano erupts?

home
The Ultimate Master Key Quiz
Did you ever think why your door key opens only your lock, and each of your neighbors' keys opens only each of theirs -- but the superintendent can open everyone's locks? How many keys does he carry anyway? The key to this question is in this quiz.
shows
Static Electricity | Stuff to Blow Your Kid's Mind
Have you ever wondered why doorknobs occasionally shock you? The answer involves static electricity. Join Julie and Robert as they explain static electricity in a fascinating (and hair-raising) experiment.

shows
Edward Jenner: Smallpox Vaccine | Stuff of Genius
Although forms of vaccination had been discovered thousands of years ago in Asia and Africa, western Europeans didn't pick up on it until Edward Jenner turned an old wives' tale into the Stuff of Genius.

shows
Human Experimentation: Part I | Stuff They Don't Want You to Know
It's a grisly, tragic fact that many of modern medicine's life-saving procedures and techniques come from horrendous experimentation. But what, exactly? How much do we know about history's unethical experiments?

shows
Can you see a satellite in orbit? | BrainStuff
Satellites are fascinating, but for most people they're somewhat mysterious. They float somewhere in space, invisible to the naked eye -- or are they? In this episode of BrainStuff, our hosts explain the physics behind satellites and orbits.

shows
Epic Science: Shock the Poop from a Pool | Stuff to Blow Your Mind
The candy-bar-in-the-pool scene from "Caddy Shack" is classic, but what actually happens when a "fecal incident" occurs at your favorite cement pond?

shows
For Your Eyes Only: The Privacy Visor | Stuff of Genius
A Tokyo-based team has invented a pair of glasses that disrupts digital cameras and prevents facial recognition. Want to hide your identity and personal information? We'll tell you how in today's episode.

shows
Don't Be Dumb: Begging the Question | Stuff You Should Know
If you've ever used the phrase "beg the question," you almost certainly used it incorrectly. Here, Josh explains it so you don't say something dumb anymore.

shows
Why do human beings have eyebrows? | BrainStuff
Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things. Learn more about eyebrows in this episode.

shows
Science on the Web: Giant Oarfish, Oh my! | Stuff to Blow Your Mind
Oarfish make quite an impression when they wash up on the beach, but what's the scoop on these serpentine sea dwellers?

shows
Epic Science: What is your brain not telling you? | Stuff to Blow Your Mind
Just because your brain recognizes something, doesn't mean you see it. Learn more about what your brain is keeping from you in this episode from Stuff to Blow Your Mind.

shows
Chester Greenwood: Earmuffs | Stuff of Genius
As a big-eared child in Maine, Chester Greenwood was used to freezing weather. Of course, that doesn't mean he enjoyed it. Learn how his Stuff of Genius kept ears across America toasty (and made Chester famous) in this podcast.

shows
9 Kinds of Hugs | Stuff Mom Never Told You
A hug is rarely just a hug. As these 9 types of hugs demonstrate, the way two people hug can convey a variety of messages from passion to complete discomfort.

shows
The Future of DIY (Maker Faire and Beyond) | Fw:Thinking
In an era of modern manufacturing, is there a place for tinkering and DIY? Jonathan Strickland takes us inside Maker Faire 2013 and shows us how the future of amateur invention has never looked brighter!

shows
Hands Are Weird: 5 Things About Them | Stuff to Blow Your Mind
They're kind of weird and floppy looking. But without them we'd be pretty helpless. Learn more about the humble hand in this video from Stuff to Blow Your Mind.

shows
The Baja 1000 | CarStuff
Initially it was nothing more than a challenging, 950-mile, off-road trail mapped-out by a legendary biker. It was a dusty and desolate path that led down the length of Mexico's Baja California peninsula. Learn more in this video.

shows
Lost Secrets of Construction | Stuff They Don't Want You to Know
From Stonehenge to the pyramids, researchers in the modern era are uncovering fascinating information about ancient construction techniques. But is there any ancient structure that still defies explanation? Learn more with Ben and Matt.

shows
Erno Rubik: Rubik's Cube | Stuff of Genius
As a professor in Budapest, Erno Rubik had a pretty swell day job -- but his hobby was even more fascinating. Tune in and learn how Erno Rubik's hobby became the brain-teasing Stuff of Genius that baffles millions.

shows
The Future of Renewable Energy … From Drones? | Fw:Thinking
Windmills are a thing of the past! In the future, renewable energy could come from wind harvesting drones. These devices are portable, and would require a lot less material to make. And where do we find this wind?

shows
Don't Be Dumb: Onions Make Us Cry | Stuff You Should Know
Have you ever wondered why cutting into an onion can make you cry? You are about to know.

shows
The 4-Second Silence Rule | Stuff Mom Never Told You
How long does it take for an awkward silence to happen? Only 4 seconds.

shows
What is Cicada 3301? | Stuff They Don't Want You to Know
While it originated online, the series of puzzles collectively known as Cicada 3301 has spread across the globe, with people finding clues on every inhabited continent. But what is it exactly? Who's behind it, and why? Tune in to learn more.

shows
Why is Friday the 13th considered unlucky? | BrainStuff
In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Cristen discusses the two main fears that have fueled the Friday the 13th superstitions.

shows
Science on the Web: Bigfoot DNA? | Stuff to Blow Your Mind
Could bigfoot actually exist? Is there any DNA evidence out there? Let's watch some poorly shot "footage" and find out.

shows
Philo Farnsworth: Television | Stuff of Genius
When Philo Farnsworth was just 14 years old, he had an epiphany that changed his life -- and ours. Tune in and learn how this former sharecropper created the modern television in The Stuff of Genius, a video podcast from HowStuffWorks.com.
entertainment
Lost in Migration
Can you keep up with the flock? Do you remember in which direction it was heading? Exercise your brain and your attention span with Lost in Migration.

money
Currency Puzzles
You're great at spending it. Now let's see how expert you are turning all these puzzle pieces into a pile of cash. Ready, set, windfall!

entertainment
Word Bubbles
The Word Bubbles Game will challenge your verbal agility and put your vocabulary and memory to the test. How many words can you come up with?

entertainment
Raindrops Game
Improve your math skills and sharpen your mind with the Raindrops game. Can you solve the math equations in the raindrops before they hit the water? There's only one way to find out.

entertainment
Memory Matrix
Quick, take a mental snapshot! Can you recall and reproduce the pattern that you just saw? The Memory Matrix game will put your attention span and intelligence to the test. Exercise your mind and play Memory Matrix!

games
3-Point Shootout
3-Point Shootout game is a great way to play arcade-style basketball without stepping away from your desk. How many hoops can you make before the time runs out? Can you get on the leader board?

games
Mahjongg Dark Dimensions
The new puzzle classic returns with yet another twist!

games
Arctic Tri Peaks Solitaire
In this version of the classic solitaire game, you play through a mountain of cards, eliminating them as you go.

electronics
Electronics Puzzles
From CPUs and circuit boards to televisions and iPods, high-tech gadgets are a constant presence in modern life. Now they're appearing in your puzzles, too. Can you put these puzzles together faster than you can upload a new playlist on your iPod?

science
Volcano Explorer
Volcanoes are pressure valves that release energy from deep within the Earth. Learn about different types of volcanoes and create your own virtual volcano with the Volcano Explorer. It may be the closest you ever get to playing with one.

science
Baby Animal Puzzles
Who can resist a baby animal -- or a puzzle? Find out how quickly you can piece together these puzzles of puppies, piglets and more seriously cute little guys.

entertainment
Entertainment Puzzles
Is a lightsaber your weapon of choice? Perhaps you prefer to spend your time reaching for the skies by pole vaulting? These entertainment-themed puzzles are a whole new way to spend your leisure time. Try them, puzzle prodigy.

games
Addiction Solitaire
Find out why this speedy variant of a classic card game is called "Addiction Solitaire."

adventure
Adventure Puzzles
Whether you're into extreme sports, wilderness survival or good old-fashioned jet-setting, explore the planet as you make the pieces of these adventure puzzles fall into place.

games
Fairway Solitaire
Are you a big fan of golf and solitaire? Then we have just the game for you. But don’t take our word for it. Swing away at Fairway solitaire.

science
Cannon Challenge
Take charge of your own Non-Line-of-Sight (NLOS) Cannon, the revolutionary gun that represents the future of U.S. Field Artillery.

games
Crossword: Master
Are you ready to master a crossword? Our online crossword will provide lots of challenging clues.

entertainment
Speed Match
Speed Match may help you to think faster and improve your reaction time. All you have to do is remember and compare the symbols flashing on your screen in this fast-paced matching game.

home
Home & Garden Puzzles
Looking for your next DIY home and garden project? Try these home and garden puzzles and you might find fun and inspiration.

games
Table Hockey Ultra
Enjoy a round of table hockey whenever you want with this online version of the popular arcade game. C'mon, stop that puck in its tracks.

games
Crossword: Regular
Looking for a relaxing crossword puzzle? Our crossword provides beginners with game play that will surely pique your interest.

auto
Bike Build Game
If you've ever wanted to build a bike from scratch, you're not alone. Try your hand at piecing together this motorcycle in the Bike Build Game. Once you have everything in place, you can see the real thing!

entertainment
Color Match
Put on your sweatbands and get ready to train your brain! Improve your concentration by matching words and colors in the Color Match game.

home
Beautiful Flower Puzzles
These brightly colored spring flower puzzles are sure to raise your spirits. Can you solve them faster than we can say chrysanthemum?

geography
Geography Puzzles
From raging rivers to towering mountains, the smallest countries to the biggest civilizations, explore our world by trying your hand at these geography puzzles.

games
Golf Challenge
With a wide selection of clubs, beautiful visuals, and plenty of courses to conquer, Golf Challenge is the only free online golf game you'll ever need!