08:16 duration 8 minutes 16 seconds
The Origin of Flight--What Use is Half a Wing? |…
The Origin of Flight--What Use is Half a Wing? | HHMI BioInteractive Video
Biologist Ken Dial's study of how young birds use their developing wings sheds light on the evolution of flight in birds. At the University of Montana’s Flight Lab, Ken Dial has been…
37:15 duration 37 minutes 15 seconds
CM Chap 15, Part Two.mov