Sterling Financial Investment Group analysts do not take short positions in stocks the firm recommends ("What to Bet Against," BusinessWeek Investor, July 1 in some editions). "A genome project against disease" (Science & Technology, July 1) misspelled Claire M. Fraser's name in a sub-headline and table. "The danger of playing it safe" (Economics, June 24) gave an incorrect first name for Friedrich Engels, co-author with Karl Marx of The Communist Manifesto. Also, the manifesto was published in 1848, not 1847.