The debate over whether fossilized traces of microbial life were found in meteorites from Mars is reexamined in this informative and highly readable account with 16 pages of new photographs.
archeology and the first colonization of western North America
Dixon, E. James
1999
Presents evidence to support a theory that the first humans came to the Americas nearly two thousand years earlier than has generally been believed, and argues that the pre-Clovis people were marine mammal hunters, fishers, and foragers who reached America by water craft.
Explains the formation of stars and planets, discussing dark clouds, star clusters, nebulae, interstellar gas and dust, planetary systems, black holes, and much more. Includes photographs.
today's leading thinkers on science in the age of certainty
Brockman, John
2006
A series of essays by more than one hundred of the world's leading scholars who reveal what they believe despite a current lack of supporting evidence about such topics as the future of humankind, the fate of the universe, and extraterrestrial life.
A history of the Earth, from its formation through the appearance of mammals and the extinction of dinosaurs, in the form of a story told by the Universe itself to an Earthling.
Examines theories of evolution, the Great Apes, the origins of language, extinct species, and the global expansion that precipitated adaptation and diversity.
