https://www.earthmagazine.org/tags/multiple-working-hypotheses/ Recent content in Multiple Working Hypotheses on EARTH Magazine Hugo en-US American Geosciences Institute. All rights reserved. Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/geology-101-reading-story-rocks/ Thu, 05 Jan 2012 06:41:58 -0500 https://www.earthmagazine.org/article/geology-101-reading-story-rocks/ <p><a href="http://www.earthmagazine.org/earth/article/28f-7d9-a-14">David Harwood&rsquo;s field geology course</a> gives future teachers an introduction to several of geology&rsquo;s most fundamental principles, including the stratigraphic basics described by Nicholas Steno in 1669. Go to the head of the class with this quick primer.</p>