HowStuffWorks DailyStuff

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• 10 NASA Inventions You Might Use Every Day
• Top 5 Scary Technologies of 2008
• Greatest Ever: The World's Deadliest Helicopter
• Is global warming irreversible?
• Looking Back: How 2010 Worked

10 NASA Inventions You Might Use Every Day Posted: Teenagers everywhere can thank NASA for inventing the material that makes those invisible braces invisible. We can also thank the space administration for athletic shoes, scratch-resistant lens and cordless vacuums. This posting includes an audio/video/photo media file: Download Now

Top 5 Scary Technologies of 2008 Posted: Technology has changed our lives, mostly for the better. But what happens when our inventions get the better of us? The results can be devastating. This posting includes an audio/video/photo media file: Download Now

Greatest Ever: The World's Deadliest Helicopter Posted: Coming in at #3, the world's deadliest helicopter packs a surprisingly powerful punch. Check out this video to learn more about the world's greatest helicopters.

Is global warming irreversible? Posted: A new study in the journal Nature suggests that if the world dramatically reduced its greenhouse gas emissions, a total loss of critical summer sea ice for polar bears could be avoided. But is it possible to totally undo the effects of climate change?

Looking Back: How 2010 Worked Posted: As 2010 started to draw to a close, we asked you readers and listeners to name the biggest stories of the year, and you responded. We added a few of our favorites to the list, too. Are you ready to relive the past 12 months?

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