What can you learn from ice? Well, if you're studying ice  that is 2 miles thick and it has been around for hundreds of years, you can  learn a lot.
 This video is of Richard Alley who does a great job  in showing what the scientists have learned from studying the ice. I was  fascinated. Check it out. Bookmark it for next year when school starts. This one  is a MUST see for when you study the discussion of Global Warming.
 
7:06 PM
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