Tuesday, January 4, 2011 - 12:39pm

Jan. 4: In today’s Academic Minute, Vassar College's Jill Schneiderman defines “deep time” and explains just how different the Earth was in its earliest period. Dr. Schneiderman is professor of earth science at Vassar and author of The Earth Around Us: Maintaining a Livable Planet.

Download Episode (3.44 MB)

 

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