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The Laser: How the Futuristic Became the Everyday
www.voanews.com , level=10 , language=en, one day ago'Passive' Homes Save Energy, Money
www.voanews.com , level=10 , language=en, 18 days agoWords and Their Stories: Heart to Heart
www.voanews.com , level=10 , language=en, on 2012/01/09Volcanoes and More: A Visit to Two National Parks in Hawaii
www.voanews.com , level=10 , language=en, on 2012/01/06A Goal for 2012: Learning English
www.voanews.com , level=10 , language=en, on 2012/01/05Words and Their Stories: Money Talks
www.voanews.com , level=10 , language=en, on 2011/12/12EU Officials Urge Tighter Fiscal Rules for Euro Countries
www.voanews.com , level=10 , language=en, on 2011/12/07Words and Their Stories: A Chip on Your Shoulder
www.voanews.com , level=10 , language=en, on 2011/12/05UN Says Food Production Must Rise; How 'Fertilizer Trees' Could Help
www.voanews.com , level=10 , language=en, on 2011/11/29US Congressional Committee Fails to Identify Budget Cuts
www.voanews.com , level=10 , language=en, on 2011/11/27
