LQ Podcast

#40 Crack in World Found at Sea!

Thursday, June 27, 2013

So said the New York Times headline when geologist Marie Tharp discovered the Mid-Atlantic Ridge, the gash in the earth that proved the theory of continental drift and helped establish the field of plate tectonics. Tharp made this discovery while producing the first comprehensive maps of the ocean floor. Author Hali Felt, who chronicled Tharp’s life in her book, Soundings, spoke to LQ about this remarkable and overlooked scientist. 

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