Science & Technology

Fixing leaky optical pipes with topological glue

Combining theoretical insights with experimental results, physicists demonstrate a new design for optoelectronic devices that could help make optical fiber communications more energy efficient.

Erica K. Brockmeier

Penn labs get creative to stay productive, connected

In the face of a pandemic that has shuttered most physical laboratories across campus, researchers have shifted gears, maintaining work and social ties through grant- and manuscript-writing, virtual journal clubs, online coffee breaks, and more.

Michele W. Berger

The optimal immune repertoire for bacteria

Researchers develop a physical model that describes the optimal amount of ‘memory’ of prior infections that bacteria should have in order to efficiently mount a successful immune response.

Erica K. Brockmeier

Sports, STEM, and science communication

As a former college basketball player, postdoctoral research fellow John Drazan coordinates sport-science outreach activities that put his unique set of credentials to use.

Erica K. Brockmeier



In the News


Scientific American

Grumpy voters want better stories. Not statistics

In a Q&A, PIK Professor Duncan Watts says that U.S. voters ignored Democratic policy in favor of Republican storytelling.

FULL STORY →



WHYY (Philadelphia)

Climate policy under a second Trump presidency

Michael Mann of the School of Arts & Sciences discusses how much a president can do or undo when it comes to environmental policy.

FULL STORY →



Technical.ly Philly

A sneak peek inside Penn Engineering’s new $137.5M mass timber building

Amy Gutmann Hall aims to be Philadelphia’s next big hub for AI and innovation while setting a new standard for architectural sustainability.

FULL STORY →



Salon.com

Exxon CEO wants Trump to stay in Paris climate accord

Michael Mann of the School of Arts & Sciences voices his concern about the possibility that the U.S. could become a petrostate.

FULL STORY →



Interesting Engineering

Superhuman vision lets robots see through walls, smoke with new LiDAR-like eyes

Mingmin Zhao of the School of Engineering and Applied Science and colleagues are using radio signals to allow robots to “see” beyond traditional sensor limits.

FULL STORY →



Associated Press

Amid Earth’s heat records, scientists report another bump upward in annual carbon emissions

Michael Mann of the School of Arts & Sciences says that total carbon emissions including fossil fuel pollution and land use changes such as deforestation are basically flat because land emissions are declining.

FULL STORY →



The Wall Street Journal

How can we remove carbon from the air? Here are a few ideas

Jennifer Wilcox of the School of Engineering and Applied Science and Kleinman Center for Energy Policy at the Weitzman School of Design says that the carbon-removal potential of forestation can’t always be reliably measured in terms of how much removal and for how long.

FULL STORY →



Associated Press

California air regulators approve changes to climate program that could raise gas prices

Danny Cullenward of the Kleinman Center for Energy Policy at the Weitzman School of Design says that many things being credited in California’s new climate program don’t help the climate.

FULL STORY →



Times of India

Self shocks turn crystal to glass at ultralow power density: Study

A collaborative study by researchers from the School of Engineering and Applied Science has shed new light on amorphization, the transition from a crystalline to a glassy state at the nanoscale.

FULL STORY →



The Independent

Climate scientists fear Trump will destroy progress in his second term – and the outcome could be ‘grim’

Michael Mann of the School of Arts & Sciences says that a second Trump term and the implementation of Project 2025 represents the end of climate action in this decade.

FULL STORY →