Decoding acoustic objects

Third-year student Lily Wei spent the summer conducting research in the lab of Vijay Balasubramanian using algorithms to propose how the brain may recognize acoustic objects.

Nathi Magubane

The Big Bang at 75

Theoretical physicist Vijay Balasubramanian discusses the 75th anniversary of the alpha-beta-gamma paper, what we know—and don’t know—about the universe and the “very big gaps” left to discover.

Kristina García

In the News

The Wall Street Journal

Russia aims to restore prestige in race to moon’s south pole

Benjamin L. Schmitt of the School of Arts & Sciences and the Weitzman School of Design says that sentiment in the scientific and astronaut communities has begun to shift toward a future in which NASA and Roscosmos are no longer close partners.


Philadelphia Inquirer

Nine women who changed science are featured in a new Philly exhibit

A new exhibit at the American Philosophical Society in Philadelphia celebrates the late Mildred Cohn, a biochemist at the Perelman School of Medicine who fought to reduce discrimination in academia.



Neuroscience explains why Bill Gates’ weird reading trick is so effective

A study by Penn researchers working in physics, neuroscience, and bioengineering found that people instinctively seek patterns and similarities in the data they absorb.


The Guardian

UK joins international effort to uncover first moments of the universe

In a statement for the Simons Observatory, Mark Devlin of the School of Arts & Sciences says that new telescopes and researchers from the UK will make a significant addition to their efforts to examine the origins of the universe.


Physics World

Liquid crystals bring robotics to the microscale

In collaboration with the University of Ljubljana, Kathleen Stebe of the School of Engineering and Applied Science has built a swimming microrobot that paddles by rotating liquid crystal molecules.


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.