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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 Press Exposés That Made a Difference
people.howstuffworks.com/10-press-exposes-that-made-difference.htm
Journalists have brought to national attention lots of issues that would otherwise remain hidden. Learn about some of them at HowStuffWorks.
10 Amazing Things Dogs Can Sense
animals.howstuffworks.com/pets/10-amazing-things-dogs-can-sense.htm
Dogs have great senses and are insightful, intuitive creatures. See 10 amazing things dogs can sense to learn more.
Why Are There Dozens of Dead Animals Floating in Space?
science.howstuffworks.com/dead-animals-in-space.htm
Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.
12 Home Remedies for Restless Legs Syndrome
There are many home remedies for restless legs syndrome that can help you get a good night's sleep. Learn home remedies for restless legs syndrome.
How to Design a His and Her Closet
home.howstuffworks.com/home-decor/bedroom/how-to-design-a-his-and-her-closet.htm
Come on, admit it. You've fought with your spouse over coveted closet space. It doesn't have to be that way, though. With the right design, you can even have leftover space. Learn more.
Could I Lose Weight by Getting My Ear Stapled?
health.howstuffworks.com/medicine/modern-treatments/ear-staple.htm
Ear stapling is a practice that some people believe can help them lose weight. Learn about ear stapling and find out if ear stapling can help you lose weight.
What Is Solar Wind?
science.howstuffworks.com/dictionary/astronomy-terms/solar-wind-info.htm
Solar wind is a continuous stream of mostly hydrogen and helium that flows outward from the sun in all directions. It does everything from disrupt GPS signals to create the aurora borealis.
Why do warthogs have warts?
animals.howstuffworks.com/mammals/warthog-warts.htm
Warthogs have warts to protect themselves against roughhousing among male warthogs. Learn why female warthogs have warts as well.
What Causes Tides? High and Low Tides Explained
science.howstuffworks.com/environmental/earth/geophysics/tide-cause.htm
The oceans' levels change daily across the globe. We know them as tidal changes. But what causes this constant shift in sea level and why is it more dramatic is some places than others?