Reference and Resource Materials for Further Research

Origins of Humankind, by PBS
http://www.pbs.org/wgbh/evolution/humans/humankind/

The Sixth Extinction, By Niles Eldredge
http://www.actionbioscience.org/newfrontiers/eldredge2.html

Evolution of the Mind, by Dr. Steven Pinker
http://www.pbs.org/wgbh/evolution/library/07/2/l_072_03.html

Evolution Change: Deep Time, by PBS
http://www.pbs.org/wgbh/evolution/change/deeptime/index.html

"Is it possible that time travel and UFO's have something in common?" by Time-loops.net
http://nostradamus.time-loops.net/UFO.htm

Time and Dimension Travel, by About.com
http://paranormal.about.com/od/timeanddimensiontravel/

ET Gallery, by NOVA
http://www.pbs.org/wgbh/nova/origins/et.html

"Are We Alone?" by NOVA
http://www.pbs.org/wgbh/nova/origins/ward.html

If you know of any other great resources for additional research on this topic, please let everyone know about them in the forums!