How do you clean up an oil spill?
An enormous concrete-and-steel box specially designed to siphon oil will be BP's short-term solution for controlling a disastrous oil spill along the U.S. Gulf Coast.
How the iPad Works
Some say it's a large iPod Touch. Others say it will revolutionize the computer tablet -- and save the publishing industry.
How Liquid Body Armor Works
Body armor is about to undergo the biggest change in centuries -- new liquid formations are making Kevlar much lighter and more flexible to wear.
Fact or Fiction: Wrinkles
We'll separate fact from fiction in this quiz -- and maybe even give you the lowdown on the best wrinkle cream out there!
The Ultimate Inventor Quiz
The list of influential inventors includes everyone from the nameless human who first discovered how to make fire to the inventor of the light bulb.
10 of the Biggest Lies in History
You don't look fat in those pants. I didn't copy off his paper. She's a natural blonde. I am not a crook. Lots of us lie, but what are the biggest fibs ever?
How do cats purr?
Rather than manipulating facial muscles like humans, cats purr as a physical reaction to happiness. How exactly do cats make that purring noise?