The Big Picture

Muralist Jane Golden brings her vision of art as a medium for social change to Penn—and to one wall in the Mantua neighborhood north of campus.

James Thomson and the Holy Grail

In 1998, graduate alumnus Dr. James Thomson won the race to isolate and culture human stem-cells for a sustained period—one of the holy grails of medical science—but he can’t outrun the controversy generated by his work. Increasingly, he isn’t trying.

Letters

Sep|Oct 2001: Creation question, Chimpsky correction, cities railroaded, surgical strike.