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Richard Alley: "The Biggest Control Knob: Carbon Dioxide in Earth's Climate History" - YouTube
http://www.youtube.com/watch?v=RffPSrRpq_ghttp://www.youtube.com/watch?v=RffPSrRpq_g
From the 2009 AGO Fall meeting. Original here: http://www.agu.org/meetings/fm09/lectures/lecture_videos/A23A.shtml http://mind.ofdan.ca/co2-is-and-has-always...
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How to Build a Reflex Deflex Longbow (Hybrid Longbow) - YouTube
https://www.youtube.com/watch?v=xljOvsexlkg&t=717
How to build a reflex deflex, or hybrid longbow... Archery for me in the past was always done with a compound, though I've wanted to try traditional archery ...