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5 Ways to Donate Your Old Smartphone or Cell Phone to Charity
electronics.howstuffworks.com/donate-cell-phone-charity.htm
Learn more about five ways to donate your old cell phone or smartphone to charities that recycle or refurbish old phones.
10 Best Roofing Materials for Warmer Climates
home.howstuffworks.com/home-improvement/construction/green/10-best-roofing-materials.htm
The first real line of defense against the heat is a building's roof. And some materials are better than others -- especially in hot climates. See which ones are best at keeping the heat at bay.
How Porta-Potties Work
science.howstuffworks.com/innovation/everyday-innovations/porta-potties.htm
Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers.
Is premium gasoline really better for luxury vehicles?
auto.howstuffworks.com/premium-gas-luxury-vehicles.htm
Premium gasoline is often advised for luxury cars, but do you really need it? Learn whether premium gasoline really is better for luxury cars.
How Archaeology Works
science.howstuffworks.com/environmental/earth/archaeology/archaeology.htm
Archaeology is the study of ancient civilizations and human remains, such as buildings, art or trash. Learn about archaeology and archaeologists.
How Hillary Clinton Works
history.howstuffworks.com/historical-figures/hillary-clinton.htm
Hillary Clinton is in the running to become the first female U.S. President. Read about Hillary Clinton and her agenda, voting record and career.
10 Worst Things Ever to Happen at Christmas
The Holidays are supposed to be full of joy, but sometimes it isn't. Check out some of the worst things to ever happen on Christmas at HowStuffWorks.
How Freezers Work
home.howstuffworks.com/freezer.htm
Many freezers have features to prevent frost and digitally monitor temperatures, but the technology has been evolving for years. Learn about freezers.
How Electric Cars Work
auto.howstuffworks.com/electric-car.htm
Sales of electric cars keep soaring and the technology just keeps getting better. So how do electric cars work and just how green are they?
10 Green Laundry Tips
Laundry can seem like an endless task. This article offers a few practical laundry rules for you to follow, including energy-, labor-, and product-saving tips.