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What's the difference between LDL and HDL cholesterol?
The difference between LDL and HDL cholesterol lies in how they affect our bodies. Learn what the difference between LDL and HDL cholesterol is.
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!
What's the difference between quartz and liquid crystal?
You may have heard about quartz and liquid crystal in reference to watches, but do you know what the difference is between quartz and liquid crystal?
Beyond Arsenic: 6 Weird Poisons Used Throughout History
people.howstuffworks.com/different-poisons-history-ricin-gu-thallium-gelsemine.htm
What various ways have people poisoned each other through history? Learn more about alternative poisons in this HowStuffWorks article.
How bad for you is high-fructose corn syrup?
recipes.howstuffworks.com/high-fructose-corn-syrup.htm
High-fructose corn syrup, or HFCS, is in nearly everything you eat. Is high-fructose corn syrup worse than sugar and other artifical sweeteners?
Benefits of Exercise
health.howstuffworks.com/wellness/diet-fitness/exercise/benefits-of-exercise.htm
Regular physical activity can improve heart health, strength, and endurance. Explore the many other mental and physical benefits of exercise.
Sun Blisters
health.howstuffworks.com/skin-care/beauty/sun-care/sun-blisters.htm
Sun blisters are extremely painful. Visit HowStuffWorks to learn all about sun blisters.
5 Things You Should Know: Germ Fighting
health.howstuffworks.com/wellness/preventive-care/5-things-to-know-germ-fighting.htm
Effective germ fighting will help keep your family healthy. Learn 5 things you should know about germ fighting at TLC Family.
How Silly Bandz Work
people.howstuffworks.com/silly-bandz.htm
What are Silly Bandz and how did they get so popular? Read all about Silly Bandz at HowStuffWorks.
How Subways Work
science.howstuffworks.com/engineering/civil/subway.htm
London without the Tube? New York without its underground scene? Atlantans gliding straight from their MARTA stops to the airport? What would life be like without our underground transportation system?