HowStuffWorks DailyStuff

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• Facebook No-nos Quiz
• 10 Ways to Make Money on the Side
• Did the Nazis prove that Earth is hollow? (3:54)
• Are salmon swimming toward extinction?
• Why is the Iowa caucus so important?

Facebook No-nos Quiz Posted: Do you have proper Facebook etiquette? There are no set-in-stone commandments to guide the social interactions that take place on Facebook, but that doesn't mean the Big Book of Faces is without generally accepted standards for how people should behave. Find out if you're a flagrant Facebook etiquette offender in this quiz! This posting includes an audio/video/photo media file: Download Now

10 Ways to Make Money on the Side Posted: With the exception of the occasional lottery winner, making real money takes time and effort. But there are legitimate ways you can make extra money to supplement your day job. Check out 10 you can moonlight, and end up with some money to show for it. This posting includes an audio/video/photo media file: Download Now

Did the Nazis prove that Earth is hollow? (3:54) Posted: As World War II raged across Europe and the Pacific, the conflict reached every continent on the planet, including Antarctica. Learn more about the little-known Nazi expeditions to Antarctica -- and what they hoped to find there -- in this episode.

Are salmon swimming toward extinction? Posted: Infectious salmon anemia, a lethal and highly contagious marine virus, has been detected for the first time among wild salmon in the Pacific Northwest. What other factors can potentially curb salmon populations in a big way?

Why is the Iowa caucus so important? Posted: Every four years, the state of Iowa becomes a political hotbed when it hosts its caucuses. Each state has its own nominating contests, so why does Iowa mean so much to the candidates and the media?

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