Help Survey Genghis Khan's Lost Tomb With Some Armchair Archaeology

If you're bummed that SETI@home hasn't quite succeeded in pinpointing our friendly extraterrestrial neighbors, National Geographic is offering up another ambitious project you can get involved in at home: surveying the Mongolian region that holds Genghis Khan's tomb. » 8/04/10 6:40pm 8/04/10 6:40pm