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What If Alcohol Didn't Exist?

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Our early ancestors, enjoying the effects of rotten fruit, had stumbled onto something big. How did alcohol serve as a nutrition source and, some believe, help motivate hunters to take up farming?

How do walruses sleep in the water without drowning?

animals.howstuffworks.com/mammals/walrus-sleep-without-drowing.htm

Walruses sleep in the water without drowning with a clever anatomical adaptation. Learn how walruses sleep, mate, nurse and just relax in the water.

How Magnets Work

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Magnets produce magnetic fields and attract metals like iron, nickel and cobalt. They're used in all sorts of applications but how are they made and how do they work?

How Sunspots Work

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Sunspots are explained in this article. Learn about sunspots.

How Professional Clowns Work

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Being a professional clown must be fun, but with training and more it's a serious business. Learn more about professional clowns at HowStuffWorks.

How Did the Universe Begin?

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The universe and how it began is explained in this article from HowStuffWorks. Learn about the origins of the universe.

10 Old Wives' Tales About Your Health

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If someone told you sugar makes kids hyper and cats are after your baby's air supply, you've heard some old wives' tales. Is there any truth in them?

Exoplanets: Distant Worlds Beyond Our Solar System

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These 10 remarkable exoplanets are the ones we'd like to investigate. Learn about 10 of the most remarkable astronomers have discovered.

How Volunteer Armies Works

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Volunteer armies face a number of recruitment challenges. Learn how volunteer armies operate and how they differ from conscripted armies.

Are poinsettias poisonous?

home.howstuffworks.com/are-poinsettias-poisonous.htm

The poinsettia's poisonous rep might be a bit unfair. Find out if poinsettias are poisonous at HowStuffWorks.

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