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How Color Blindness Works
health.howstuffworks.com/human-body/systems/eye/colorblindness.htm
Color blindness is a condition that affects the way in which people see certain colors. Learn about color blindness and causes of color blindness.
The Best-selling Beer in America Isn't From the U.S.
money.howstuffworks.com/best-selling-beer-in-america.htm
Beer is as much a part of American culture as burgers and baseball. Look at any tailgating party, Sunday cookout, after-work happy hour or marathon recovery tents; you'll see that ice-cold beer has become a ubiquitous social staple. And the best-selling beer in America reflects trends in consumer preferences.
5 Dazzling Facts About the Rockefeller Center Christmas Tree
The Rockefeller Center Christmas tree in New York City may be an iconic symbol of the holidays, but how well do you know this tree-dition?
What Was the First Photo Ever Taken?
science.howstuffworks.com/innovation/inventions/first-photo-ever-taken.htm
Joseph Nicéphore Niépce is responsible for the first photo ever taken. Almost lost to time, the image used a process called heliography.
How Infrared Heaters Work
home.howstuffworks.com/home-improvement/heating-and-cooling/infrared-heaters.htm
Infrared heaters are somewhat complex. Learn about how infrared heaters work at HowStuffWorks.
Sun Rash
health.howstuffworks.com/skin-care/beauty/sun-care/sun-rash.htm
Sun rash is an irritating yet preventable condition. Visit HowStuffWorks to learn all about sun rash.
10 Car Accessories That Could Be Dangerous
A car is an extension of the person driving it. And if you want to make your car as unique as you are, there are an almost infinite number and variety of add-ons. But which accessories could be hazardous?
How to Build a Turtle Tank
home.howstuffworks.com/home-improvement/how-to-build/how-to-build-turtle-tank.htm
If you're planning to buy (or find) a turtle as a pet, you're going to need to build the right kind of tank for it. This article shows you how to build a turtle tank.
Which Planets Are Considered 'Earth-like' and Why?
science.howstuffworks.com/other-earth.htm
Exoplanets are planets that orbit stars other than our sun. Read about exoplanets and find out how scientists are searching for exoplanets with life.
Planetarium
science.howstuffworks.com/dictionary/astronomy-terms/planetarium-info.htm
Planetarium, is an educational device for showing the locations and movements of the planets and other objects in the universe.