I. Keep your laptop safe and functional(1’47”)
http://video.about.com/mobileoffice/Keep-Your-Laptop-Safe.htm
II. Underwater cameras (2’41”)
http://video.nytimes.com/video/playlist/technology/david-pogue/1194811622273/index.html#1247467678580
III. What would you do if you won a lot of money in the lottery?
http://www.elliesenglish.com/audioplay.php?folder=wendy&file=wendylife05&title=talking+about+life+...&image=bannerwendy&itype=png&return=wendyselect.php
IV. Sustainable energy projects in Africa (2’49”)
http://www.esolcourses.com/content/topics6june/environmentday.html
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