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Your search for "optical illusions" returned 70 results
Is there really a face on Mars?
science.howstuffworks.com/face-on-mars.htm
The face on Mars stunned observers in the 1970s. Learn if this formation is the colossus of a human face or simply an interesting rock formation.
Can a Bag of Water Keep Flies Away?
animals.howstuffworks.com/insects/water-bags-repel-flies.htm
Some people believe bags of water can keep flies away. Learn why people might hang bags of water to keep flies away and if the practice works.
Why Do We Get So Much Pleasure From Symmetry?
science.howstuffworks.com/why-do-get-so-much-pleasure-from-symmetry.htm
Why do we love looking at a perfectly stacked display of soup cans or six flower petals around a stamen? Our brains seem wired for it -- but why?
10 Cool Animals That Stand Out in a Crowd
animals.howstuffworks.com/animal-facts/10-animal-skills.htm
Animal have some amazing skills. Read on to see which animals have the most amazing skills.
If Rainbows Are Circular, Why Do We Only See Arches?
science.howstuffworks.com/nature/climate-weather/atmospheric/rainbows-are-circular.htm
The simple explanation is you have to be in just the right spot and the conditions have to be perfect for you to see the entire 360 degrees.
5 Tricks to Longer Lashes
lifestyle.howstuffworks.com/style/makeup/eye/5-tricks-to-longer-lashes.htm
Are you looking for some tricks to longer lashes? Check out these 5 tricks to longer lashes.
Are zebras black with white stripes or white with black stripes?
animals.howstuffworks.com/mammals/zebra-stripes.htm
Whether you think zebra stripes are black or white, you can't deny they make a fashion statement. Learn how zebra stripes form and what color they are.
La Pascualita: Bridal Shop Mannequin or Embalmed Corpse?
people.howstuffworks.com/la-pascualita.htm
La Pascualita stands silent and still in the window of a bridal shop in Chihuahua, Mexico. Many say she isn't plastic, but the embalmed corpse of the store's former owner.
How is carpet made?
home.howstuffworks.com/home-improvement/home-diy/flooring/how-is-carpet-made.htm
Have you ever wondered how carpet is made? Don't blame yourself if you don't know much about how carpet is made. Instead check out this article.
How to Repaint Stained Walls
home.howstuffworks.com/home-improvement/repair/how-to-repaint-stained-walls.htm
Stains can be tricky to paint over, but it can be done. You'll need to do the proper prep and pick the right paint to get a professional look.