mike novacek is the museum's senior vice president and provost of science. he's also curator of the paleontology department. neil degrass tyson is the director of the hayden planetarium. he's hosted nova for five seasons. his other program "cosmos" will premier on fox. i'm pleased to have all of them at this table. what's in there. i've got the list of the wonderful things. i'll start with the planetarium. >> it holds the great hayden planetarium which is a 90 foot in diameter sphere that you go into and encounter the great space show. then we have all those chroexs and 45 galleries, halls and lots of temporary shows, things like what right now, poison, power of poison and live things like butterflies. >> rose: i'll come back to poison but there's also the most important collection of dinosaurs, mammals and other vertebra. >> dinosaur bones. (laughter) >> an important distinction. >> excuse me, i didn't want to -- (laughter) >> rose: i should have said fossils is what i've said. 18 million examples of living and extinct arthropods which includes 100 species

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