About GeologyGeologyArtificial Rock- June 30, 2008 Sometimes I like to step back a bit and marvel at our everyday technology. Concrete is nothing less than manmade stone, or maybe artificial lava. This graceful bridge was not...http://geology.about.com/b/2008/06/30/artificial-rock.htm Why Earth Science updated- June 29, 2008 A six-minute video on YouTube answers, "because we live on Earth." The American Geological Institute (AGI) is moving into video for its educational outreach, and "Why Earth Science" is aimed...http://geology.about.com/b/2008/06/29/why-earth-science.htm |