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What happens when pregnant women smoke?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/question551.htm
Pregnancy and smoking should never be mixed because of the harm it can cause to the developing baby. Learn more about pregnancy and smoking.
How Movie Screens Work
entertainment.howstuffworks.com/movie-screen.htm
When you sit down in a movie theater, the screen is the center of attention. But have you ever walked up close and looked at it? Discover the intricacies of a movie screen and learn how to find the best seat in the house.
How Fax Marketing Works
money.howstuffworks.com/fax-marketing.htm
Fax marketing is a somewhat dated tool that is still used by many businesses today. Learn more about how fax marketing at HowStuffWorks.
How Solar-powered Backpacks Work
electronics.howstuffworks.com/gadgets/travel/solar-powered-backpack.htm
Solar-powered backpacks are great travel gadgets. Learn more about solar-powered backpacks at HowStuffWorks.
Do jackals use babysitters?
animals.howstuffworks.com/mammals/jackals-use-babysitters.htm
Jackal pack are usually made up of a mating pair, their offspring and, in larger packs, nonbreeding adults. Learn how jackals use babysitters for support.
Does reading in dim light really hurt your eyes?
health.howstuffworks.com/human-body/systems/eye/reading-in-dim-light.htm
Does reading in dim light really hurt your eyes? Find out if the old saying is true and see if you can damage your eyes by reading in dim light.
What is a social networking site?
computer.howstuffworks.com/internet/social-networking/information/social-networking.htm
What is a social networking site? Find out what a social networking site is and how it works at HowStuffWorks.
How Towing Braking Systems Work
auto.howstuffworks.com/auto-parts/towing/equipment/protective-towing/towing-braking-systems.htm
Towing braking systems provide RV drivers the peace of mind that they deserve. Learn all about towing braking systems at HowStuffWorks.
What Is Octane and How Does It Work?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question90.htm
Adding a chemical called tetraethyl to fuel can significantly improve the gasoline's octane rating. But what is octane? And how does it improve the gasoline we buy? Read on to explore this fascinating molecule.
Prescription Drug Basics
health.howstuffworks.com/health-insurance/prescription-drug.htm
Prescription drug benefits can exclude high-cost drugs in order to keep the cost of co-pays low. Learn more about prescription drug benefits.