Approximately 400 articles which originally appeared in a science column published by various newspapers in Alaska and western Canada give concise yet detailed answers to such questions as – Do iceworms eat ice? Why are Alaskan volcanoes evenly spaced along the coast? Do glaciers slide or do they flow? – information for Alaskans and visitors alike. Includes section on the aurora borealis. Neil Davis is Emeritus Professor of Geophysics at the University of Alaska Fairbanks. For five years he wrote and edited the weekly science columns that formed the basis for this collection of articles.