Tim Appenzeller Photographs by James Balog From Greenland to Antarctica, the world is losing its ice faster than anyone thought possible. Can humans slow the melting? 498.5 Kb. 5
Geology Across America Mount Mitchell in North Carolina (over 6000 feet). Historical interest concerning these mountains is the Appalachian Trail, which follows the crest of the mountain chain and can be hiked from Maine to Alabama 24.7 Kb. 1
On the dinosauria of the extra-european triassic One of the best preserved skeletons of the Triassic is that of Anchisaurus colurus. But hitherto it has never been described in detail. Marsh’s descriptions are very short and his figures schematic and restored; they give a completely 446.93 Kb. 4