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Cadmium: The Highly Toxic Metal That Powers the World
science.howstuffworks.com/cadmium.htm
Cadmium is a natural metal and the leading component in rechargeable batteries and solar cells. It is also highly toxic and heavily regulated.
How to Clean Jewelry of All Types
Jewelry can lose its shine over time due to dirt, oils and everyday wear, but a good cleaning can restore its sparkle. Whether you have solid gold, sterling silver jewelry or costume jewelry, knowing how to clean jewelry properly helps maintain its beauty.
How Reverse Osmosis Works
science.howstuffworks.com/reverse-osmosis.htm
How does reverse osmosis work? Find out how a semipermeable membrane can act as a filter for some particles while letting others pass through.
How Hair Coloring Works
science.howstuffworks.com/innovation/everyday-innovations/hair-coloring.htm
Got a few grays? Just want a new look? Well, if you are like 75 percent of women, you're part of a billion dollar industry. Learn all about hair coloring and choosing the best color for you.
How Fabric Displays Work
electronics.howstuffworks.com/gadgets/high-tech-gadgets/fabric-display.htm
Fabric displays are revolutionizing the marketing and fashion industries by incorporating LED lights into the fabric. Learn more about fabric displays.
What Is A Stryker Vehicle?
science.howstuffworks.com/stryker.htm
The U.S. Army's Stryker is a lesson in flexibility: There are as many Stryker configurations as there are tasks to complete in today's military. Plus, it's easier to deploy than the mighty M1. Learn all about the Army's ambitious Stryker project: anywhere in the world within 96 hours.
6 Tips for Starting an Old Engine
auto.howstuffworks.com/5-tips-starting-old-engine.htm
Engines were made to run; but if you've ever tried to start an old car that's been sitting unused for a long time, you know that it isn't always as easy as just turning the key.
How Carbon-neutral E-fuels Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/carbon-neutral-e-fuel.htm
Do you know How Carbon-neutral E-fuels Work? Keep reading to learn about zero-emission vehicles and discover how carbon-neutral e-fuels work.
What Is a Performance-enhancing Drug? Here Are 10 Examples
science.howstuffworks.com/10-performance-enhancing-drugs.htm
The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.
Could alcohol cause my headaches?
health.howstuffworks.com/diseases-conditions/headache/cluster-headache-pain-can-be-relieved.htm
Cluster headache pain can be triggered by alcohol. Learn more about cluster headaches and alcohol from Discovery Health.