Without ever setting sail, Marie Tharp mapped the... ...s features, helping laypeople visualize the vast plates that allowed the earth’s crust to move. Thr... ...eries helped ideas such as seafloor spreading and plate tectonics gain acceptance, bringing with them a cascade of...https://www.neatorama.com/2015/12/04/A-Crack-in-the-World/
A Crack in the World...
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