Flight of the Pterosaurs: An (old) Talk by Mike Habib

He likes to call it "Air Giants: Launch, flight, and ecology of Cretaceous pterosaurs." I think he ought to have it accompanied by some Wagnerian thematic music and ...hey!  has anyone named a pterosaur after the Valkyries? 

Nautilus-X Presentations

I can think of half a dozen changes to make. With the on-coming Falcon Heavy...