Small errors incorporated into the genome when a pathogen copies itself offer clues to reconstruct chains of transmission and learn about epidemic dynamics along the way.
Reader Comments - Today's Student Protests; Vietnam War History, My Lai; Slavery and the Making of American Capitalism; Israel - Right Wing Nation with Nukes; Unions Key to Fighting Inequality; Women Fighters; Venezuela Sanctions; Socialists, Socialist Movement and Socialism; Human Genome Tinkering;
Hey, World! Let's create a nuclear-free future -- April 24-26, New York City
Remembering Jean Hardisty, Geraldine Blankinship and Grace Paley
Jon Stewart challenges Fox to a lie-off. Beethoven and the epigenome. The evolution of religion. Men in skirts protest violence against women in Turkey. 'Chuy' Garcia for mayor of Chicago.
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