Science & Technology

Correcting night blindness in dogs

Researchers in the School of Veterinary Medicine and colleagues have developed a gene therapy that restores dim-light vision in dogs with a congenital form of night blindness, offering hope for treating a similar condition in people.

Katherine Unger Baillie

Decoding a material’s ‘memory’

A new study details the relationship between particle structure and flow in disordered materials, insights that can be used to understand systems ranging from mudslides to biofilms.

Erica K. Brockmeier

Rapid adaptation in fruit flies

New findings from School of Arts & Sciences biologists show that evolution—normally considered to be a gradual process—can occur in a matter of weeks in fruit flies in response to natural environmental change.

Katherine Unger Baillie

Sophie Bowe: Engineering undergrad and future ‘imagineer’

The senior in the School of Engineering and Applied Science took a natural curiosity in the mechanics of a Disney ride as a child and applies it to her current work as a teaching assistant in mechanical design and lab assistant in Penn’s Precision Machining Laboratory.

COVID in a cat

A new report led by Elizabeth Lennon of the School of Veterinary Medicine and colleagues has confirmed what is believed to be the first published account of the delta variant of SARS-CoV-2 in a house cat.

Katherine Unger Baillie

In the News

USA Today

Climate change makes living at the coast riskier. But more people keep coming

Michael E. Mann of the School of Arts & Sciences says that people moving to the coast overlook increased flooding and storm risks at their peril.


Quanta Magazine

The new math of wrinkling

Eleni Katifori of the School of Arts & Sciences is credited for her work simulating wrinkle patterns, which were crucial to an overall theory of geometric wrinkle prediction.


New Scientist

Drone swarm that 3D prints cement structures could construct buildings

Robert Stuart-Smith of the Weitzman School of Design and colleagues demonstrate how 3D-printing drones can create large structures made of foam or cement, paving the way for future construction efforts.


iTech Post

University of Pennsylvania researchers develop microrobots that can brush, floss your teeth

Hun Michel Koo of the School of Dental Medicine, Edward Steager of the School of Engineering and Applied Science, and colleagues have created automated shapeshifting microrobots with the ability to brush, floss, and rinse teeth.


Interesting Engineering

Google AI succeeds in developing odor maps of molecules

Joel Mainland of the Perelman School of Medicine and colleagues have used a neural network to create a molecular map of odors in compounds that repel mosquitos.


Philadelphia Business Journal

University City is running out of real estate for life sciences development. The answer? Densification

At a Philadelphia Business Journal event, Senior Executive Vice President Craig Carnaroli discussed the lack of available land in Philadelphia for life sciences development and the need for densification.


With COP27 approaching, cities like Philadelphia are ‘powerful tools’ for climate adaptation

Mark Alan Hughes of the Kleinman Center for Energy Policy says that cities are powerful tools for collective action on climate change, noting that Philadelphia is vulnerable on climate adaptation but well-positioned to improve.



Green concrete transition has path to credibility in climate law

Cary Coglianese of Penn Carey Law says that the EPA will need to find a way to audit the declarations of green construction companies to avoid potential damage to the entire sector.



Renewable energy is maligned by misinformation. It’s a distraction, experts say

Shelley Welton of Penn Carey Law and the Kleinman Center for Energy Policy says that blaming renewables is a distraction, a way to forestall a transition that is underway but needs to be moving faster.


New Scientist

Researchers have worked out the rules for how some things wrinkle

Eleni Katifori of the School of Arts & Sciences and colleagues used simulations of curving plastic pieces to predict the formation of wrinkling patterns.