John Noble Wilford
Author
Language
English
Description
The most pressing unanswered riddles about the great reptiles that ruled the Earth for 160 million years and then vanished 65 million years ago are discussed in this book, along with such other contemporary paleontological issues as the origin of flight, whether dinosaurs were cold- or warm-blooded and the extent to which their infant care approached that of mammals.
4) Mars beckons: the mysteries, the challenges, the expectations of our next great adventure in space
Author
Publisher
Knopf
Pub. Date
1990.
Language
English