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Can You Identify These Ugly Cars From the '70s and '80s?
play.howstuffworks.com/quiz/can-you-identify-these-ugly-cars-from-the-70s-and-80s
Try to figure out why the auto industry put so much time and effort into producing a lineage of ugly cars during the 1970s and 1980s. Let this auto quiz broaden your scope of how hideous some vehicles were back then. Prove that you already know all about these A-to-Z uglies!
Why Is Biodiversity Important for Ecosystems?
science.howstuffworks.com/environmental/conservation/issues/biodiversity-important.htm
Biodiversity means rainforests and reefs teeming with species right? There's more to it than that though. Genetic diversity has a big role to play, too. Just ask that cheetah cub.
Does singing make you happy?
science.howstuffworks.com/life/inside-the-mind/emotions/singing-happy.htm
Can singing make you happy? Take a look at what happens to your body when you sing and find out if singing makes people happy.
Can You Answer These Questions About the Year 2005?
play.howstuffworks.com/quiz/can-you-answer-these-questions-the-year-2005
2005 was a difficult year for many and all over the world. Yet, others prospered! What do you remember about it? Let's test your knowledge.
10 Most Short-lived Countries
history.howstuffworks.com/world-history/10-most-short-lived-countries.htm
It takes more than endless optimism to make your new country's independence stick. Learn about the 10 most short-lived countries at HowStuffWorks.
Are men and women's roles in society changing?
people.howstuffworks.com/men-women-roles-changing.htm
Are men and women's roles changing in society, or have things leveled off? Find out if men and women's roles are changing in society.
Maine Coon Cats: Gentle Giants of the Feline World
animals.howstuffworks.com/pets/maine-coon-cat.htm
Known as the dogs of the cat world, Maine Coons are intelligent, eager to please and love water. HowStuffWorks gets to know this huge breed of cat.
Vasodilator Drugs
health.howstuffworks.com/medicine/medication/vasodilator-drug.htm
Vasodilator drugs lower blood pressure by widening blood vessels. Learn more about visodilator drugs and how they work.
5 Alternatives to Flip-flops for Men
lifestyle.howstuffworks.com/style/bags-shoes/5-alternatives-to-flip-flops-for-men.htm
There is more than flip flops for men for summer shoe style. Check out our list of flip-flop alternatives for men that will suit every style.
How Diesel-fueled Hybrids Work
auto.howstuffworks.com/diesel-hybrid.htm
New diesel engines are clean, powerful and reliable, so wouldn't it be great if an automaker built a diesel hybrid? Learn about diesel hybrid vehicles here.