Eight Penn professors elected 2022 AAAS Fellows

Researchers from the School of Arts & Sciences, School of Engineering and Applied Science, Perelman School of Medicine, and School of Veterinary Medicine join a class of scientists, engineers, and innovators spanning 24 scientific disciplines.

Michele W. Berger

New analysis shows how sulfur clouds can form in Venus’ atmosphere

An international research team, including atmospheric chemists from the School of Arts & Sciences, used computational chemistry methods to identify a novel pathway for how sulfur particles can arise high in the atmosphere of the second planet from the sun.

Katherine Unger Baillie

Marrying models with experiments to build more efficient solar cells

Penn chemist Andrew M. Rappe, in collaboration with former postdoc Arvin Kakekhani and researchers at Princeton University, has gained insight into how the molecular make up of solar cells can affect their properties and make them more efficient.

Luis Melecio-Zambrano , Michele W. Berger

In the News


Meet the unsung scientists behind the Nobel for quantum dots

Christopher Murray’s lab at the School of Arts & Sciences is delving into the next phase of quantum-dot research to make components for quantum computing, sensing, and communication.


Live Science

Scientists propose ‘missing’ law for the evolution of everything in the universe

Stuart Kauffman of the Perelman School of Medicine comments on a study that proposed a missing scientific law identifying “universal concepts of selection” that drive evolution.



Iontronics breakthrough: Faster thin film devices for improved batteries and advanced computing

Andrew Rappe of the School of Arts & Sciences and colleagues have developed high-quality, single-crystal oxide thin films, aligned in such a way that the lithium ions can move even faster along vertical ionic transport channels.



How fireworks could worsen air quality

A report by chemists from Penn reveals that firework combustion releases harmful chemicals and metals into the environment that impact air quality, drinking water and public health.


Fast Company

A once-shuttered California mine is trying to transform the rare earth industry

Eric Schelter of the School of Arts & Sciences cautions that the economics of rare earth production are challenging and have worked against U.S. industry in the past.


Business Insider

Study: Heat-temperature marine bacteria help detoxify asbestos

Ileana Perez-Rodriguez of the School of Arts & Sciences says that iron has been identified as a major component driving the toxicity of asbestos minerals.