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5 Green NASA Inventions
science.howstuffworks.com/innovation/nasa-inventions/5-green-nasa-inventions.htm
NASA's technological innovations haven't just gotten us to the moon and beyond -- some have also helped make life a little greener here on Earth. What are five surprisingly grounded technologies spearheaded by NASA?
Can You Guess the Make and Model of These Custom Cars?
play.howstuffworks.com/quiz/can-you-guess-the-make-and-model-of-these-custom-cars
It takes a special type of gearhead to customize cars into works of functional art. Think you've got what it takes to see behind the paint and modifications to tell what automobiles these mechanical artists used to create their masterpieces?
Can You Match the College to the State It's In?
play.howstuffworks.com/quiz/can-you-match-the-college-the-state-its
Princeton, Harvard and Vanderbilt rank among the greatest institutions of higher learning in the U.S., but do you know where these storied schools are located? Take our quiz to see if you can match the college to the state!
Can You Solve These Word Puzzles?
play.howstuffworks.com/quiz/can-you-solve-these-word-puzzles
How many world puzzles could a word puzzler puzzle if a word puzzler could puzzle words? If you want to puzzle through to the answer without using any woodchucks, take the quiz and puzzle it out for yourself!
13 Superstitions About Lucky Numbers and Unlucky Numbers
people.howstuffworks.com/13-superstitions-about-numbers.htm
What's your lucky number? Would it jinx you if you told us? It's a funny thing, but whether for cultural, regional or religious reasons, we humans tend to put a lot of hope - and a little fear - into numbers.
How to Recall an Email in Outlook or Gmail
computer.howstuffworks.com/e-mail-messaging/how-to-recall-email-in-outlook.htm
Email clients like Outlook and Gmail have a handy recall message feature that allows you to delete or edit emails after you've sent them. We'll tell you how to use them.
How does a 'bionic eye' allow blind people to see?
health.howstuffworks.com/medicine/modern-technology/bionic-eye.htm
A company called Second Sight has received FDA approval to begin U.S. trials of a retinal implant system that gives blind people a limited degree of vision. Find out how the 'bionic eye' will work.
How Much Do You Know About Curling?
play.howstuffworks.com/quiz/how-much-do-you-know-about-curling
Everyone knows that hockey has a place in every Canadian's heart, but curling is also loved by many. Do you consider yourself one of the sport's biggest fans? Prove it by showing us how much you know!
How Turn Signals Work
auto.howstuffworks.com/turn-signal.htm
To most drivers, turn signals seem pretty simple: There's a lever that makes your signal lights flash. But there's actually some cool technology at work. Find out how this under-used device operates.
10 Last-minute Stays of Execution
people.howstuffworks.com/10-last-minute-stays-execution.htm
Most people sentenced to death in the U.S. get at least one stay of execution. In one case, the stay came a minute too late because of a misdialed phone number. Here are 10 of the most unusual cases.