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How Religion and Anti-regulatory Bias Birthed a $36 Billion Supplement Industry
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/supplement-industry-news.htm
Supplements promise the moon - lose weight, end depression, stop smoking, sleep better, get young again! The supplement industry grew to massive proportions by offering up perfection in a pill.
10 Best Ideas for Interplanetary Communication
science.howstuffworks.com/10-ideas-for-interplanetary-communication.htm
In the future, as we send space probes and manned missions to explore the solar system and possibly colonize other worlds, there's a major problem that we'll have to overcome -- keeping in touch with them.
Early Twentieth Century Railroads
history.howstuffworks.com/american-history/early-twentieth-century-railroads.htm
Early 20th-century railroads saw major improvements in safety and comfort, as well as new regulations. Learn more about railroads in the early 1900s.
Is there such a thing as a truly unselfish act?
science.howstuffworks.com/life/evolution/unselfish-act.htm
An unselfish act is an act in which one person benefits while the person performing the act gains nothing. Find out if an unselfish act is possible.
How Dual-clutch Transmissions Work
auto.howstuffworks.com/dual-clutch-transmission.htm
Dual-clutch transmissions offer the best of manual and automatic transmissions and are becoming increasingly popular. Learn about dual-clutch transmissions.
What was NASCAR's gentleman's agreement?
auto.howstuffworks.com/auto-racing/nascar/history/nascar-gentleman-agreement.htm
You might have heard about NASCAR's gentleman's agreement, but how much do you really know? Learn about NASCAR's gentleman's agreement at HowStuffWorks.
How to Choose the Right Oil for Your Car or Truck
auto.howstuffworks.com/how-to-choose-the-right-oil-for-your-car-or-truck.htm
Choosing the right oil for your car is crucial. Learn how to choose the right oil for your car or truck at HowStuffWorks.
10 Alternative Fuel Ideas That Never Made It Out of the Lab
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/5-alternative-fuel-ideas.htm
You might be surprised by some of the alternative fuel solutions mentioned in this article. Read about ten somewhat odd alternative fuel solutions.
How Ozone Pollution Works
science.howstuffworks.com/environmental/green-science/ozone-pollution.htm
We want the ozone layer, but we don't want ozone pollution... Good in the atmosphere but bad on the ground? Find out about ozone pollution, how it affects you and what you can do about it.
Can You Really Use Vegetable Oil to Fuel Your Car?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/vegetable-oil-fuel.htm
Could vegetable oil really become commonplace as a fuel? While it certainly is an option for some engines, vegetable oil is a long way from being the fuel alternative of the future.