The Four-Winged Dinosaur
Aired Tuesday, 8/24/2010 at 8:00 p.m. on CPTV
In this episode, NOVA investigates the mysterious feathered dinosaurs that are challenging old ideas about the origin of bird flight. The central character in this drama is a strange little dinosaur with wings on its legs as well as its arms. The pigeon-sized microraptor is the smallest adult dinosaur ever found – and perhaps the first known tree dweller. But could it really fly? Is it the key to understanding the origin of flight or merely an evolutionary dead end unrelated to the ancestry of birds? To help solve the riddle, NOVA assembles a team of top paleontologists, aeronautical engineers and paleo-artists for a groundbreaking experiment. The results have surprising implications for long-accepted ideas about how winged flight began. Learn more...