LEWIS, MERIWETHER
\lˈuːiz], \lˈuːiz], \l_ˈuː_i_z]\
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(1774-1809), explorer, was secretary to President Jefferson from 1801 to 1803. He commanded an expedition with William Clark across the continent from 1803 to 1806. They ascended the Missouri River, named three of its tributaries the Jefferson, Madison and Gallatin Rivers, and descended the Columbia River to its mouth. From 1807 to 1809 he was Governor of Missouri Territory.
By John Franklin Jameson
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.