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How the SteriPEN Works
electronics.howstuffworks.com/gadgets/travel/steripen.htm
The SteriPEN is a very popular travel gadget. Learn more about the SteriPEN at HowStuffWorks.
What If Humans Could Breathe Underwater?
science.howstuffworks.com/science-vs-myth/what-if/what-if-humans-could-breathe-underwater.htm
Remove that pesky drowning risk, and the world formerly under the sea opens with possibility - despite our inefficient limbs and tendency toward hypothermia.
How to Clean a Keurig Coffee Maker
A Keurig coffee maker is a convenient way to enjoy your morning coffee, but it needs regular cleaning to ensure it brews better-tasting coffee every time. Over time, coffee oils, coffee grounds and mineral buildup can affect the flavor and performance of your machine. It doesn't take much effort to learn how to clean a Keurig, and those cleanings go a long way in helping maintain its longevity.
How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
How to Remove Watercolor Paint Stains
home.howstuffworks.com/how-to-remove-watercolor-paint-stains.htm
Whether done by a four-year-old or an established artist, a watercolor painting can add beautiful color to a room. Less attractive are the stains paints can leave behind. Follow these tips to remove these spots.
How Sinkholes Work
science.howstuffworks.com/nature/natural-disasters/sinkhole.htm
Sinkholes are much more than holes in the ground. Learn how sinkholes can cause the Earth to swallow up you, your home and your car.
How do sodium-acetate heat pads work?
home.howstuffworks.com/question290.htm
Heating pads are made of a plastic pouch and a clear liquid. Inside the pouch is a metal disk that when clicked crystallizes the liquid causing it to heat up. Find out how heat pads work.
Does One Dripping Faucet Really Prevent Frozen Pipes?
home.howstuffworks.com/home-improvement/plumbing/dripping-faucet-prevent-frozen-pipes.htm
When temperatures drop below freezing, homeowners are advised to leave one tap dripping overnight. But does this advice hold up, or is it kind of leaky?
How to Remove Rose and Red Wine Stains
home.howstuffworks.com/how-to-remove-rose-and-red-wine-stains.htm
Roses and red wine set the mood for a romantic evening. Unfortunately, nothing can kill the mood faster than an unsightly laundry stain. Follow these stain removal tips to keep your sweetheart from seeing red.
How Do Astronauts Shower in Space?
science.howstuffworks.com/shower-in-space.htm
Showering every day is likely something you take for granted. But for astronauts on the International Space Station, it's not an easy task.