HowStuffWorks DailyStuff

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• Tech Talk: Computer Security Quiz
• Quiz: Getting the Most Out of iTunes
• The Stuff of Genius: The Artificial Heart
• Do gold-plated radiation-protection stickers work?
• What happens when we run out of food?

Tech Talk: Computer Security Quiz Posted: Computers can make life easier, but they also can put your private information at risk. Find out how much you know -- or don't know -- about computer security by taking our quiz. This posting includes an audio/video/photo media file: Download Now

Quiz: Getting the Most Out of iTunes Posted: Proper financial planning confuses many people, which explains the increase in free online financial planning calculators. How accurate and useful are these tools, however? Find out whether you know enough about financial planning calculators by taking this quiz. This posting includes an audio/video/photo media file: Download Now

The Stuff of Genius: The Artificial Heart Posted: You may be an online media machine, with a library of music and video that far exceeds any of your friends. But are you getting the most out of iTunes? Take our quiz and see if you're as optimized as you think you are!

Do gold-plated radiation-protection stickers work? Posted: Manufacturers claim little gold stickers can protect your brain cells from cell phone radiation. But can they do more harm than good?

What happens when we run out of food? Posted: Famine might bring to mind modern media coverage of tiny children with swollen bellies. But how does a widespread loss of food actually happen?

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