The dinosaur Microraptor had black iridescent feathers.
Provost Michael Novacek discusses the Museum's 2010 field expeditions.
CBC Director discusses the International Year of Biodiversity (2010).
Two-thirds of the world's chameleon species are found in Madagascar.
Mark Norell discusses recent research.
Curator Mark Siddall, who studies leeches, discusses a recent trip to Rwanda.