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Your search for "pupil" returned 158 results
How to Draw a Cartoon Dragon in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-a-cartoon-dragon.htm
Have fun as you learn how to draw a cartoon dragon with our simple instructions. Sharpen your drawing skills as you learn to draw a cartoon dragon.
How to Draw a Sad Clown Cartoon in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-a-sad-clown-cartoon.htm
Learn how to draw a sad clown cartoon with our easy instructions. Take your creativity to the next level as you learn how to draw a sad clown cartoon.
How to Draw a Cartoon Giraffe in 5 Steps
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-a-cartoon-giraffe.htm
Learn how to draw a cartoon giraffe with our step-by-step instructions. Stretch your artistic abilities as you learn how to draw a cartoon giraffe.
How Vision Works
health.howstuffworks.com/mental-health/human-nature/perception/eye.htm
A fascinating article that describes how your eyes and vision works!
How Refractive Vision Problems Work
health.howstuffworks.com/human-body/systems/eye/vision-refractive.htm
Millions of people have refractive vision problems -- when the eyes get blurry or can't focus on an object. Learn about four major types of refractive vision problems.
How the F-Stop Works
electronics.howstuffworks.com/cameras-photography/tips/how-to-know-what-f-stop-to-use.htm
Want to know how to know what f-stop to use? Visit HowStuffWorks to learn what f-stop to use.
How Biometrics Works
science.howstuffworks.com/biometrics.htm
With the help of Q, James Bond can breeze through a security system that requires the villain's irises, voice and handprint. Biometrics isn't just for the movies. Real-life businesses and governments are using it. Check it out.
5 Reasons Geckos Are the Coolest Lizards
animals.howstuffworks.com/animal-facts/geckos.htm
Geckos have abilities that definitely take lizardhood up a notch.
Can You Pass a Basic Paramedic Exam?
play.howstuffworks.com/quiz/can-you-pass-a-basic-paramedic-exam
A paramedic is on the front line of the action when it comes to saving lives! First responders have studied long and hard to be in this incredibly demanding position. Do you have what it takes to pass a basic paramedic exam?
Stuff You Should Know's Muppet Quiz
play.howstuffworks.com/quiz/muppet-quiz
It's time to put on makeup; it's time to dress up right. It's time to raise the curtain on the Muppet quiz tonight!