Why did astronomers decide to designate Pluto as a dwarf planet in 2006? What did dinosaurs really look like? What can we learn from Vladimir Nabokov's extensive collection of butterflies? If these questions pique your interest, check out AMNH.tv: a collection of videos created by experts at the American Museum of Natural History that address a wide range of scientific questions. These videos are arranged into browsable sections on the left-hand side of the homepage. Shelf life, hosted by AMNH curators, highlights a variety of interesting collections in the museum (including the aforementioned Nabokov butterfly collection), allowing scientifically-minded individuals around the globe to learn more about the museum's offerings. Dinosaurs and fossils, which features a number of AMNH paleontologists, illuminates how some dinosaurs evolved into modern-day birds. Other collections in ANHM.tv include space, science bulletins, and kid science.