This video segment, adapted from a NOVA broadcast, explores the possibility that extraterrestrial life might exist, and that there may even be advanced alien life. The segment covers the Search for Extraterrestrial...
This reference provides instructions on how to write scientific reports. Topics include why we write reports, the basic format (introduction, methods and materials, results, and discussion, or 'IMRaD'), how to state a...
This module contains four units dealing with natural selection (and evolution), population balance, exchange cycles, and environmental protection. Each unit includes coverage of why the topic is important, what is known...
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