Science & Technology

Protecting the planet at Penn

Earth Day and every day, the University community is at work to make the world a little better. Here are some highlights from those efforts.

Katherine Unger Baillie, Michele W. Berger

How superstitions spread

Superstitious beliefs may seem irrational, but they catch on in a society. Using an evolutionary approach to studying the emergence of coordinated behaviors, Erol Akçay and Bryce Morsky showed how a jumble of individual beliefs, including superstitions, coalesce into an accepted social norm.

Katherine Unger Baillie

Tackling climate change on all levels

At the Perry World House Global Shifts Colloquium, experts from around the world discussed what governments, and individuals, can do to avoid the ultimate catastrophe.

Gwyneth K. Shaw

How a year in space affects the brain

Penn Medicine’s Mathias Basner discusses the NASA Twins Study, which analyzed astronaut Scott Kelly’s physical and mental health after he spent 340 days in space, and found that Kelly’s performance on a cognitive test battery dropped when he returned to Earth for six months.

Michele W. Berger

Chips in Space

Microfluidic devices lined with human cells are headed to the International Space Station in early May, part of an effort to understand why astronauts get sick more easily in orbit.

Gwyneth K. Shaw

Seeing the world through a biophysicist’s lens

Philip Nelson demonstrates how seemingly simple questions like ‘What is light?’ help scientists understand, and improve, how people visualize the world around them.

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 →



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 →



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 →



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 →