Dr. Neil deGrasse Tyson, director of the American Museum of Natural History's Hayden Planetarium and charismatic host of the PBS series NOVA scienceNOW, addresses the controversy surrounding the institution's reclassification of Pluto as a dwarf planet. Tyson discusses the universe and the importance of curiosity in education and answers questions from an enthusiastic crowd at George Washington University's Lisner Auditorium in this "Cosmic Conversation" with science reporter Marc Kaufman and NOVA producer Paula Apsell.moreless
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