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Understanding Sinus Congestion

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How much do you understand sinus congestion? Learn about sinuses and what causes sinus congestion in this HowStuffWorks article.

10 Signs You May Be Sleep Deprived

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Are you sleep deprived? About 45 percent of the world's population isn't getting enough sleep. See 10 signs you might be sleep deprived.

How Hoarding Works

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Hoarding is a serious mental illness that is extremely hard to treat. Find out what we've learned about the disorder from HowStuffWorks.

How the Fermi Paradox Works

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Are all the aliens hanging out without us?

How Oak Island Works

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Does Oak Island really have hidden treasure? Find out why Oak Island has been the focus of treasure hunters for decades.

10 Extinct Hominids

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Decades of fossil discoveries have revealed much about the extinct members of our hominid family tree, but we're far from having all the answers. What have we learned from some of these fascinating finds?

10 Superstitions About Birds

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As Hitchcock's 1963 horror classic "The Birds" taught us, it's a good idea to respect our avian friends. Before you accidentally let any bad luck take wing, peck away at these bird-related superstitions.