Advent of Complex Life
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A Walk Through Geologic Time
Dinosaurs Go Extinct - 65 million years ago
In More Detail:
http://www.scientificamerican.com/article.cfm?id=asteroid-killed-dinosaurs
http://paleobiology.si.edu/blastPast/index.html
http://www.psi.edu/projects/ktimpact/ktimpact_print.html
http://www.astrobio.net/exclusive/3267/dinosaur-killer-was-soft-on-algae
http://web.mit.edu/newsoffice/2009/cretaceous.html
‹ The Opening of the North Atlantic Ocean - 160 million years ago
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Our species, Homo sapiens, evolves - 200,000 years ago ›
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