There were temporary river waterfalls where the Mississippi ran backwards during 1811-12 earthquakes. It happened early on Feb. 7, 1812, when a thrust fault created a sudden dam several feet high in the bottom of the river loop near New Madrid.
100th birthday present! Richard Feynman (1918-88), physicist, and his friend Ralph Leighton became fascinated by the remote and mysterious Asian country of T...
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