Article: A free astrobiology guide. (Classroom Aids).(Pennsylvania State University)(Brief Article)

A FREE ASTROBIOLOGY GUIDE is available from Pennsylvania State University for high school educators who want to explore with their students the possibility of other forms of life in the universe. The various articles in the 16-page guide, called Astrobiology: The Search for Life in the Universe, cover the topics of six lectures that were presented at the Penn State University Park campus from January 22 to February 26, 2000. Some of the themes that the researchers discussed in the Frontiers of Science lecture series included the mystery of the snowball Earth, the chemistry of Earth's primordial soup, the explanation of how phylogenetic trees and DNA clocks operate, and the ...

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