Inside the Cancer-Cell Smasher

In the last century, American medicine has gone from a cottage industry to a technology-driven juggernaut. The machine at the heart of the new Roberts Proton Therapy Center, dubbed “the world’s most expensive and complex medical device,” provides a glimpse of what the coming years may hold.

The Energizer Dean

From her distinctive outfits to her influential research to her indefatigable efforts to raise the profile of Penn’s School of Nursing, Dean Afaf Meleis commands attention—provided you can keep up with her.

In Dreams Begin Discoveries

Revisiting a century-old essay—still cited in the scientific literature—in which one noted Penn scholar dissected the “problem-solving” dreams of two others and showed how they slept their way to insights that eluded their waking selves.