Natural Science

The Art and Science of Teaching

Fay R. and Eugene L. Langberg Professor of Physics Mirjam Cvetic makes science appealing to students of all interests and skill levels.

Stress Test

Associate Professor of Psychology Sara Jaffee investigates early childhood behavior.

The World Under Light

Assistant Professor of Chemistry examines what happens when light strikes objects.

Recycling Water - And Attitudes

Paul Rozin identifies a major roadblock to exploring new methods of attaining drinkable water.

Frozen in Time

Jane Willenbring measures the rapid rate at which ice sheets are receding.

La Difference

Smaller portions may explain the “French paradox" of rich foods and a svelte population.

Tawkin’ American

Linguist publishes first comprehensive guide to the varieties of speech patterns across the U.S. and Canada.

Unpacking the Baggage

Sorting out nature and nurture

Celestial Fossils Found

Penn researchers discover of three of the faintest and smallest objects ever detected beyond Neptune.

Zeroing in on the Higgs

Brig Williams and team close in on the mysterious “God particle.”

Bonding Time

Sarah Trice and Gary Molander alter the landscape of pharmaceutical synthesis.

Picking Up Pieces of the Puzzle

Cosmologist Mark Devlin builds a telescope that floats to the edge of space.

Baboon Metaphysics: The Evolution of Social Mind

Biologist Dorothy Cheney and psychologist Robert Seyfarth explore the intelligence underlying baboons' social organization.