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What Does 'BPA Free' Mean and Why Does It Matter?
science.howstuffworks.com/environmental/green-science/bpa.htm
The chemical BPA (bisphenol-a) often found in consumer goods, may be linked to human health problems. Learn more about BPA in polycarbonate plastics.
How LED Light Bulbs Work
science.howstuffworks.com/environmental/green-tech/sustainable/led-light-bulb.htm
LED light bulbs have taken over the market. But what are their pros and cons?
Cromwell A-27M Infantry Tank
science.howstuffworks.com/cromwell-a-27m-infantry-tank.htm
The Cromwell A-27M Infantry Tank was fast and agile but still outmatched by opposition tanks. Learn about Britain's Cromwell A-27M Infantry Tank.
Nuts and Seeds: Natural Weight-Loss Foods
Nuts and seeds can be super high in fat, but this fat may aid weight loss. Learn about nuts and seeds and weight loss.
Washing Machine Water Usage
home.howstuffworks.com/washing-machine-water-usage.htm
Washing machine water usage is an important element to consider when buying a new washer. Learn all about washing machine water usage in this article.
5 Fun Jobs If Money Is No Object
money.howstuffworks.com/second-career-ideas/5-fun-jobs-if-money-is-no-object.htm
What fun jobs would you take on if money were no object? Learn about 5 fun jobs for when money is no object.
What if China never had a one-child policy?
science.howstuffworks.com/science-vs-myth/what-if/what-if-china-never-had-one-child-policy.htm
China's government imposed mandatory IUDs and mass sterilizations, among other measures. That's some serious micromanagement. Was it necessary to avert a population disaster?
What are the dangers of mercury exposure?
home.howstuffworks.com/home-improvement/household-safety/dangers-of-mercury-exposure.htm
What are the dangers of mercury exposure? Find out the dangers of mercury exposure, how to avoid them and how to tell if you've been exposed.
10 Substitutes that Will Cut the Calories
recipes.howstuffworks.com/10-substitutes-that-will-cut-the-calories.htm
Are you looking for some food substitutes that will cut the calories? Check out these 10 substitutes that will cut the calories.
8 Most Expensive Things in the World, From Parking to Palaces
money.howstuffworks.com/personal-finance/financial-planning/most-expensive-things-in-world.htm
If money was no problem, how much would you spend on a car, painting or house? We've got the items with the biggest price tags here.