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Leonardo da Vinci: One of the Greatest Thinkers in History10-9-15Fourteen Scientists and Activists Who are Changing the World10-9-22Planetariums Take Viewers on a Trip Through Space10-9-29Voyager: The First Airplane to Fly Around the World Non-Stop10-10-6People Have Produced Wine Since Ancient Times10-10-13Studying a Wine Involves Using Several Senses, Not Just Taste10-10-20Hoover Dam: Taming the Colorado River and Providing Electricity to Millions10-10-2712 Cultural Sites in Developing World Listed as Most Threatened10-11-3Blue Holes: Some of the Least Explored Areas on Earth10-11-10Are EV and Plug-in Hybrids the Cars of the Future?10-11-17The Story of Radio10-12-8“Hide/Seek” Exhibit at National Portrait Gallery Raises Censorship Debate10-12-15Snowflakes and Sugarplum Fairies? Yep, It's the Season10-12-22Visiting the Beautiful Missions Along California’s Coast10-12-29Where Did the English Language Come From?11-1-5The World Speaks English for Science, Business and Culture11-1-12You Can See This Art for Free on City Streets Around the World11-1-19Before 'Black Swan,' Ballet as a Dance of Power and Influence11-1-26'Green' Cities Are Organizing to Protect the Environment11-2-2Among 1,200 Possible Planets, Some Seem Like Our Own11-2-9Cleopatra Was a Powerful and Wise Ruler11-2-16More and More Gamers Reach for Their Phone11-2-23Ashoka Supports Social Entrepreneurs Around the World11-3-2Learning How to Make Soap11-3-9‘maximum INDIA’ Brings India’s Sights and Sounds to Washington11-3-16Explorer Andrew Skurka Takes Hiking to a New Level11-3-23Mesa Verde National Park: Protecting the Culture of Ancient Native Americans11-3-30The Evolution of Spacesuits11-4-6Six Building Designers Who Are Redefining Modern Architecture11-4-13Jimmy Doolittle Set Many Records for Flying11-4-20

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