Deep time aeronauts

In The Cosmonaut of the Erotic Future, Aaron Schuster is concerned with the history of levitation. A chapter in The Book of Barely Imagined Beings digresses on pterosaurs -- animals as heavy as or heavier than man but that could actually live the human dream of unassisted flight. The last few years, even months, have been a golden age of discovery regarding pterosaurs. This news about their breathing system is just one recent example.



(See Research article, Hoaxful monsters, Tetrapod zoology)