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Apollo 13: 'Houston, We've Had a Problem Here'12-9-19Apollo's Final Missions: The Last Footsteps on the Moon12-9-26The Works of William Shakespeare Remain Full of Life12-10-3William Shakespeare: Star of Stage and Screen12-10-10Jimmy Doolittle: a Pilot and Leader12-10-17High and Fast: the X-15 Reached the Edge of Space12-10-24Edwin Hubble Changed Our Ideas About the Universe and Its Birth12-10-31Eleanor Creesy Helped Guide One of the Fastest Sailing Ships Ever Built12-11-7Hungry for Wealth, Gold Seekers Once Rushed to Canada’s Northwest12-11-141890's Gold Rush12-11-21Older Populations Are a Fact of Life for Many Countries12-11-28MOOCs Are Moving Forward12-12-5Lighthouses Keep Watch Over the North Carolina Coast12-12-12The Missouri is America’s Longest River12-12-19Where Did the English Language Come From?12-12-26How English Evolved Into a Modern Language13-1-2Voyager: The Extraordinary Story of a Flight Around the World13-1-9A Visit to Two National Parks: Mount Rainier and Valley Forge13-1-16Nam June Paik Turned Video into an Object of Art13-1-23The History of the Laser13-2-6Music Would Not Be The Same Without the Guitar13-2-13New Orleans, Havre de Grace: American Places That Hold Special Memories13-2-27Plastic Recycling13-3-6Laser Technology Uncovers Secrets at Stonehenge13-3-13The most unusual national parks in the United States13-3-20Ancient Martian Conditions Could Have Supported Life13-3-28A Visit to America’s National Cryptologic Museum13-4-4How the 'Mercury 13' Led the Way for Women in the US Space Program13-4-10Three man who had a big influence on modern sound and communication technologies13-4-24People Showing Concern about Disappearing Plant Life13-5-1

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