Science & Technology

An old-school green deal

A major public lands package passed the U.S. Senate Feb. 12 with massive bipartisan support and is expected to pass the House later this month. Cary Coglianese shares insights into the bill’s contents—which entail the largest expansion of wilderness area in a decade.

Katherine Unger Baillie

Hands-on learning in the greenhouse

A revamped lesson in plant diversity added a tour of the campus greenhouse for students in introductory biology courses. Greenhouse coordinator Samara Gray worked with Linda Robinson and Karl Siegert to enhance the curriculum, incorporating lessons about plant biology and taxonomy that rely on the wide range of specimens present.

Katherine Unger Baillie

Two Penn faculty named 2019 Sloan Research Fellows

Jessica Anna and Davi Maximo of the School of Arts and Sciences are among the 126 recipients of this year’s Sloan Research Fellowships, which recognize early-career researchers and scholars in North America. Each will receive a two-year, $70,000 Fellowship for research.

Erica K. Brockmeier

A shared past for East Africa’s hunter-gatherers

PIK Professor Sarah Tishkoff, Laura Scheinfeldt, and Sameer Soi use data from 50 populations to study African genetic diversity. Their analysis suggests that geographically far-flung hunter-gatherer groups share a common ancestry.

Katherine Unger Baillie

The flower that blooms in the winter

The witchhazel is a species of flower that blooms in cold temperatures and lives around campus, and in abundance at the Morris Arboretum. The Arboretum’s Anthony Aiello talks the ins and outs of the strange species.

Brandon Baker

Celebrating 150 years of the periodic table

Judith Currano of Penn Libraries and Jenine Maeyer of the School of Arts and Sciences share their perspectives on how all types of chemists still use the periodic table of elements.

Erica K. Brockmeier

Wired up at FemmeHacks

Penn President Amy Gutmann and Vijay Kumar, dean of the School of Engineering and Applied Science, visited the all-women collegiate hackathon this weekend.

Penn Today Staff



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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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