so why are we using fossil fuel... big oil money? yes you may use it in class.http://www1.eere.energy.gov/solar/animations.htmlmpeg & quicktime downloads ...
A movie about cause of seasons changes.Seasons result from the yearly revolution of the Earth around the Sun & the tilt of the Earth's axis relative to the plane ofrevolution. In T...
Dr. Albert Yu-Min Lin is a Research Scientist at the University of California, San Diego and an Emerging Explorer of the National Geographic
TEDxMidAtlantic 2010 - Albert Lin - 1...
TEDxUWO - Wade Davis - The Sacred Headwaters
Wade Davis, a National Geographic Explorer-in-Residence, presents a magnificent talk that highlights the beauty of the Sacred Headwa...
Christine Erlien has been a Lecturing Fellow in the Thompson Writing Program at Duke University since 2007. She holds a Ph.D. in Geography from University of North Carolina - Chape...
provides experiences that skillfully combine adventure, learning, and fun. Our unique experiential programs are a great compliment for any conference or meeting, and our inspiring ...