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I consider myself an expert on penguins. After all, I saw “Happy Feet” and “March of the Penguins.” I even bought them both for our home collection. I actually got to feed penguins at a Sea World exhibit 20-some years ago. A conversation arose in our office yesterday about where penguins live, with at...

If you're interested in Geography, you should really give Google Earth a try. This is an interactive 3D globe composed of satellite images that cover the entire planet. This program allows you to freely rotate and zoom into any location on the earth. You can zoom out to see the world from space,...