Definition. Escherichia coli (E. coli) bacteria normally live in the intestines of healthy people and animals. Most varieties of E. coli are harmless or cause relatively brief diarrhea. But a few particularly nasty strains, such as E. coli O157:H7, can cause severe abdominal cramps, bloody diarrhea and vomiting.ost varieties of E. coli are harmless or cause relatively brief diarrhea. But a few particularly nasty strains, such as E. coli O157:H7, can cause severe abdominal cramps, bloody diarrhea and vomiting.
Dean Daniels, Former RGE Chief Executive Officer Dean Daniels has been a leader in the online information industry since its inception. Prior to joining RGE, Daniels served as chief operating officer of Seed Media Group, a science media company based in New York City.
Dean Smith, Champion of College Basketball and of Racial Equality, Dies at 83. Dean Smith, the North Carolina basketball coach, after the Tar Heels defeated Georgetown for the N.C.A.A. championship in 1982. Credit Pete Leabo/Associated Press.