Featured Article: How Sunglasses Work
Whether you're hitting the surf or the slopes or just spending a day on the lake, sunglasses are a must-have accessory. Find out if the $10 sunglasses are as good as the high-cost ones. See more »
everyday science library
There's a lot of science at work in your daily life. Ever wonder how an aerosol can works or how light sticks work? Explore the science behind commonly used objects.
Wild World: Weird Science Quiz
Our universe is a strange and mysterious place. From what shape the universe takes all the way down to things like near-death experiences, there are plenty of things we still don't understand about the world (worlds?) around us.
See more »
9 Things Invented or Discovered by Accident
From potato chips to corn flakes, many of the things we consume today were an accident. The inventors are often held in high regard, but their inventions were a strange twist of fate. See our list of 9 things invented or discovered by accident.
See more »How are Crayons and markers made?
Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story – how they originated in the 19th century, how they’ve changed – and we’ll even tell you how old that familiar label is. Read abou
See more »How do they get lead in a wooden pencil?
The lead in a pencil is not actually lead. It is a mixture of graphite and clay, but have you ever wondered how they get the lead inside a wooden pencil. Find out how pencils are constructed in this article from HowStuffWorks.
See more »How do touch-sensitive lamps work?
Touch-sensitive lamps is explored in this article from HowStuffWorks. Learn about touch-sensitive lamps.
See more »How does dry ice work?
I saw your question on fog machines and dry ice and would like to know more -- how exactly does dry ice work?
See more »What causes an ice cream headache?
What causes an "ice cream headache" -- the headache you get when you eat something cold?
See more »What is a nautical mile, and how does it differ from a normal mile and a kilometer?
A nautical mile is used for navigation at sea. It is a unit of measurement that is based on the circumference of the Earth. How does it relate to a standard mile and a kilometer? Find out in this article.
See more »What is silica gel and why do I find little packets of it in everything I buy?
Many of the things I buy contain little packets of crystals. Some of them actually say "Silica Gel" on them, but many are unlabeled or say something like, "Do not eat." I have found these packets in electronics, vitamins and even in some pepperoni I
See more »Why do I need an electrical adapter when I travel overseas?
Why do I need an electrical adapter when I travel overseas?
See more »Why does hydrogen peroxide foam when you put it on a cut?
Why does hydrogen peroxide foam when you put it on a cut?
See more »Does the chicken's body make the shell and fill it with the white and yolk, or does it make the white and yolk and then wrap the shell around it?
How do chickens create eggs? Does the chicken's body make the shell and fill it with the white and yolk somehow, or does it make the white and yolk and then somehow wrap the shell around it?
See more »How can my glasses change from transparent, when I'm inside, to dark when I go outdoors?
How can my glasses change from transparent, when I'm inside, to dark when I go outdoors?
See more »How do Pop Rocks candy work?
There's a candy called "Pop Rocks." When you put it in your mouth it makes a loud popping sound and it feels really weird! How do Pop Rocks work?
See more »How do scratch-and-sniff stickers work?
How do scratch-and-sniff stickers work? What makes them last for years and years?
See more »How do touch-sensitive lamps work?
You know those lamps that turn on when you touch them? How do those work?
See more »How do trick birthday candles work?
How do trick birthday candles work -- the kind that re-light themselves after you blow them out?
See more »videos: everyday science
Related Ad Categories
