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How does public transportation help the environment?
science.howstuffworks.com/transport/engines-equipment/public-transportation-help-environment.htm
In January 2004, the citizens of Milan, Italy, were preparing for a strike that would shut down all public transportation. Since an estimated 28 percent of greater Milan's 3 million populace relied heavily on public transit, the strike meant gridlock for most of the city.
Can You Pick the Best Seller From These Line Ups?
play.howstuffworks.com/quiz/can-you-pick-the-best-seller-from-these-line-ups
The automobile is one of the most important inventions in recent history, changing how the world travels, expanding civilizations, and giving power to the people. How much do you know about its impact? Take this quiz about some of the best-selling vehicles to find out!
Is Borax Harmful or Helpful?
science.howstuffworks.com/borax-harmful-or-helpful.htm
Borax, a popular addition to laundry detergents and slime recipes, is a natural ingredient that has been getting flack for possibly being harmful to children. But is this true?
Can You Name All of These Sea Animals?
play.howstuffworks.com/quiz/can-you-name-all-of-these-sea-animals
The world's oceans are homes to countless numbers of beautiful, horrifying and adorable animals-all fascinating! How many of these marine creatures do you think you can you name? You "otter" do better than you think you will!
How Karma Works
people.howstuffworks.com/karma.htm
Karma is the central concept in many Eastern religions, but how did the word become part of Western culture? Find out what karma is and how karma works.
Arm, Chest, and Shoulder Exercises
health.howstuffworks.com/wellness/diet-fitness/exercise/arm-chest-shoulder-exercises.htm
Whether sculpting or strengthening your upper body, follow these arm, chest and shoulder exercises to both burn fat and ease back and neck pain.
How much does it cost to be a stay-at-home mom?
lifestyle.howstuffworks.com/family/parenting/parenting-tips/stay-at-home-mom-cost.htm
How much does it cost to be a stay-at-home mom? There are several factors to consider that affect how much it costs to be a stay-at-home mom.
How Electronic Gates Work
electronics.howstuffworks.com/digital-electronics.htm
Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use them to start building your own devices.
How Helium Balloons Work
science.howstuffworks.com/helium.htm
Helium balloons tend to fascinate adults and children alike (and it's not just the Donald Duck voice thing, though that is a big draw). Learn all about helium and why it floats!
How Much Coal Is Required to Run a 100-watt Light Bulb 24 hours a Day for a Year?
science.howstuffworks.com/environmental/energy/question481.htm
Where electricity is produced from a coal fired power station, how much coal is required to run a 100-watt light bulb 24 hours a day for one year?