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Which Was It: Toyota, Chevy, Dodge, or Ford?
play.howstuffworks.com/quiz/which-was-it-toyota-chevy-dodge-or-ford
Don't swerve out of control when you come face to face with these challenging questions! If you consider yourself an expert gearhead, then this quiz should be no problem for you. Get ready to switch gears and show us what you've got!
Can You Identify These Crystals and Gemstones?
play.howstuffworks.com/quiz/can-you-identify-these-crystals-and-gemstones
Crystals and gemstones are majestic things found in nature. Of course, they can be grown outside nature, but the most beautiful, rare and valuable ones come right from the earth. Think you can identify all of them? Take our quiz to find out which ones you can identify!
Can You Pass This General Knowledge Quiz While Being Distracted by Adorable Puppies?
Could you name the largest planet in our solar sys- ... is that a Goldendoodle? Aww! Put your smarts - and your concentration - to the test in this puppy-filled general knowledge skills challenge.
Can You Match the Famous Piece of Art to Its Movement?
play.howstuffworks.com/quiz/can-you-match-the-famous-piece-of-art-to-its-movement
For artists and art historians, there's one thing to know: Art is in a constant state of flux as movements come and go. See how well you know these movements across time by taking this quiz.
10 Outrageous Experiments Conducted on Humans
Some truly bizarre and troubling things have been done through the ages in the quest for scientific knowledge. The 10 experiments on this list all made humans into lab rats.
How Facial Recognition Technology Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/facial-recognition.htm
Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.
How Joysticks Work
electronics.howstuffworks.com/joystick.htm
Video games are amazing creations, but the fact remains -- if you can't input, you can't play. Take a look inside the quintessential game controller and see how it has evolved over the years.
Is sleep that important?
health.howstuffworks.com/mental-health/sleep/basics/importance-of-sleep.htm
The importance of sleep is something you hear about often in health news, but is lots of sleep really necessary? Investigate the importance of sleep.
How Bull Sharks Work
animals.howstuffworks.com/fish/sharks/bull-shark.htm
Bull sharks are one of the deadliest of sharks in existence. Read about bull sharks and why they eat mammals like dogs.
How Gasification Works
science.howstuffworks.com/environmental/green-tech/energy-production/gasification.htm
Gasification is the conversion of carbonaceous feedstock into synthetic gas. Learn all about gasification at HowStuffWorks.