From French Fries to Fuel
“You’re burning it anyway—might as well run your cars on it”
Waste Not …
David Stoller C’72
An Inaccurate Truth?
Giegengack’s inconvenient questions.
What’s Red and Blue and Green?
Penn triples wind-energy purchase
Cleaning Up After Your Car
The next best thing to a guilt-free SUV
The Cowbird Variations
Animal behaviorist David White is teasing out the mysteries of cowbirds at the junction of Heredity and Environment.
Dinosaurs Lost and Found
A Penn graduate student's quest to rediscover the "lost dinosaurs of Egypt" was a story made for television—a two-hour documentary will air this winter—and led to a spectacular new find as well.
On a Clear Day, You’re Not in Beijing
Robert Fox C’82
The World According to Gieg
Earth and Environmental Science Professor Bob Giegengack has fulfilled a boyhood dream of visiting exotic locales from the Sahara to the Antarctic and has earned the admiration and affection of a generation of students. He cautions today's young academics not to follow in his footsteps.