(From right) Madeleine Jacobs, editor-in-chief of Chemical & Engineering News, visits with Chancellor Mark S. Wrighton and Joseph J.H. Ackerman, Ph.D., the William Greenleaf Eliot Professor and chair of the Department of Chemistry in Arts & Sciences, before a seminar she presented Feb. 27 in the new Arts & Sciences Laboratory Science Building. Jacobs addressed “The Challenges of Editing the Newsmagazine of the Chemical World.” The weekly publication is known as the best-read chemical magazine in the world and has a circulation of 150,000.