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Why Is Yawning Contagious?

science.howstuffworks.com/life/inside-the-mind/human-brain/contagious-yawn.htm

Contagious yawning is associated with the same parts of the brain that deal with empathy, according to a recent study. Learn about contagious yawning.

How Slot Car Racing Works

entertainment.howstuffworks.com/slot-car-racing.htm

Slot car racing became popular in the 1960s and is still going strong. Read about the history and science of slot car racing.

10 Wildly Wrong Animal Stereotypes

animals.howstuffworks.com/animal-facts/10-wildly-wrong-animal-stereotypes.htm

Most animals are known for certain personality traits but are they rooted in any accuracy? Learn more about wrong animal stereotypes at HowStuffWorks.

Can We Guess What You're Most Afraid Of?

play.howstuffworks.com/quiz/can-we-guess-what-youre-most-afraid

Whether it's rational or not, fear is definitely a factor when it comes to this quiz. Let's find out which of the most common phobias fits you the best.

Why Do Leaves Change Color in the Fall?

science.howstuffworks.com/life/botany/leaves-turn-red.htm

If you ever wondered why leaves change color in autumn, you're not alone. Learn why leaves change color, and how they get that vibrant red hue.

10 Foods That Contain Antibiotics

recipes.howstuffworks.com/10-foods-contain-antibiotics.htm

Some foods are naturally antibiotic; others have antibiotics thrust upon them. Here are 10 foods that contain antibiotics at HowStuffWorks.

How Dietary Supplements Work

health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/dietary-supplements.htm

There's a lot of information (and misinformation) out there about dietary supplements. Learn the facts about them in this article at HowStuffWorks.

Elemental Haiku: A Poetic Take on the Periodic Table

science.howstuffworks.com/elemental-haiku-poetic-take-on-periodic-table.htm

Award-winning poet and fiction writer Mary Soon Lee has found a charming way to combine science and poetry in a refreshing new take on the periodic table of elements.

How Horoscopes Work

entertainment.howstuffworks.com/horoscopes-astrology/horoscope.htm

Astrology holds that the relative positions of stars and planets have influence over the lives of human beings. Believers call it a science, while non-believers call it nonsense. Learn the basics of astrology.

How Animal Imprinting Works

animals.howstuffworks.com/animal-facts/animal-imprinting.htm

Animal imprinting concerns how some species of animals learn during a short period immediately after birth. Learn more about animal imprinting.

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