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The Unknown Effects of Caramel Coloring
health.howstuffworks.com/wellness/food-nutrition/facts/caramel-coloring.htm
The caramel coloring prevalent in sodas may cause hypertension more than the caffeine. Learn about the possible hazards of caramel coloring.
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.
How IPOs Work
money.howstuffworks.com/ipo.htm
Initial public offerings have been around for centuries - every company with shares that are publicly traded on the stock market had an IPO at one point. Find out what an IPO is and how it makes people rich.
How the Patriot Act Works
people.howstuffworks.com/patriot-act.htm
The Patriot Act was created to strengthen domestic security and prevent terrorism. Learn about the Patriot Act and find out why the Patriot Act is controversial.
Why doesn't the FDA regulate herbal supplements?
Why doesn't the FDA regulate herbal supplements? Learn the benefits and dangers of herbs and why they aren't currently regulated by the FDA.
How Christmas Works
people.howstuffworks.com/culture-traditions/holidays-christmas/christmas.htm
Christmas is celebrated by hundreds of millions of people around the world each year. But what do presents, three wise men and Jesus have to do with each other anyway?
The Ultimate Star Trek Trivia Quiz
play.howstuffworks.com/quiz/the-ultimate-star-trek-trivia-quiz
Space. The final frontier. This is a quiz about the "Star Trek" universe. Its many-question mission is to explore your knowledge, to seek out new information and new opinions. To boldly go where no quiz has gone before!
Can You Name These Classic Tennis Stars?
play.howstuffworks.com/quiz/can-you-name-these-classic-tennis-stars
Thanks to their combination of grace and power, tennis stars embody all the best qualities of the athletic world. Do you know these legends whose names will forever live in tennis lore? If so, get started on this quiz and see if you can serve up a high score!
What is the definition of insanity?
science.howstuffworks.com/life/inside-the-mind/human-brain/definition-of-insanity.htm
We often throw around the word "insanity" for acts that seem to have no rational explanation (like a teacher giving an insanely difficult test). Legally speaking, though, it's actually a narrow term that's very difficult to prove in court.
Do men and women vote differently?
people.howstuffworks.com/men-women-vote-differently.htm
Do men and women vote differently? Find out whether gender plays a role in politics to cause men and women to vote differently.