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10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
10 Overrated Life Decisions
money.howstuffworks.com/10-overrated-life-decisions.htm
what are 10 overrated life decisions? Learn more about 10 overrated life decisions at HowStuffWorks.
How the Nest Learning Thermostat Works
home.howstuffworks.com/nest-learning-thermostat.htm
What if your thermostat could gather information about your climate and lifestyle, and then program itself to maximize your comfort and save energy? The Nest aims to do just that, but is it worth the cost?
10 Things Done Completely Out of Spite
history.howstuffworks.com/historical-events/10-things-done-out-of-spite.htm
Spite is not just for kids with broken toys. Many adults have gone to unbelievable lengths to pay back someone who did 'em wrong. Here are 10 classic examples.
Why Some Cultures Require Women to Wear Veils
people.howstuffworks.com/veil.htm
Burqas are commonly associated with repression and religious extremism. But to many people, the veil is a sign of modesty and piety, as well as a badge of honor. What is the true meaning of the veil?
10 Bizarre Moments in Presidential Elections
people.howstuffworks.com/10-bizarre-moments-presidential-elections.htm
Historically, presidential elections have been fraught with strange twists. Learn about 10 bizarre moments in presidential elections at HowStuffWorks.
16 World-Famous Architects and Their Impact
science.howstuffworks.com/engineering/architecture/10-most-famous-architects.htm
We see buildings pop up and get torn down all the time, but some structures (and the architects who designed them) were built to last. These 16 are some of the most famous.
How 'The Simpsons' Works
entertainment.howstuffworks.com/the-simpsons.htm
'The Simpsons' is famed for its biting humor and eccentric characters. But what makes the show so special? Find out in this article at HowStuffWorks.
How Emojis Work
computer.howstuffworks.com/internet/social-networking/networks/emojis.htm
HowStuffWorks learns about emojis, those little pics that people use to represent their feelings or avoid misunderstandings. Poop emoji, anyone?
10 Worst Business Decisions Ever Made
money.howstuffworks.com/10-worst-business-decisions.htm
It seemed like a good idea at the time - when AOL merged with Time Warner. But it wasn't. Here are the 10 worst business decisions.