School of Arts & Sciences

Penn Physicists Undo the ‘Coffee Ring Effect’

PHILADELPHIA — A team of University of Pennsylvania physicists has shown how to disrupt the “coffee ring effect” — the ring-shaped stain of particles left over after coffee drops evaporate —  by changing the particles' shape.  The discovery provides new tools for engineers to deposit uniform coatings. 

Evan Lerner

Penn Researchers Find Neural Signature of ‘Mental Time Travel’

PHILADELPHIA — Almost everyone has experienced one memory triggering another, but explanations for that phenomenon have proved elusive. Now, University of Pennsylvania researchers have provided the first neurobiological evidence that memories formed in the same context become linked, the foundation of the theory of episodic memory.

Evan Lerner



In the News


Philadelphia Inquirer

He started college in prison. Now, he is Rutgers-Camden’s first Truman scholar

Tej Patel, a third-year in the Wharton School and College of Arts and Sciences from Billeria, Massachusetts, was one of 60 college students nationwide chosen to be a Truman Scholar.

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Philadelphia Inquirer

A collector donated 75,000 comic books to Penn Libraries, valued at more than $500,000

Alumnus Gary Prebula and his wife, Dawn, have donated a $500,000 collection of more than 75,000 comic books and graphic novels to Penn Libraries, featuring remarks from Sean Quimly of the Kislak Center and Jean-Christophe Cloutier of the School of Arts & Sciences.

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KQED Radio (San Francisco)

Violence escalates in Sudan as civil war enters second year

Ali Ali-Dinar of the School of Arts & Sciences discusses the forces driving the civil war in Sudan and how the global community is responding.

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BBC

From Ancient Egypt to Roman Britain, brewers are reviving beers from the past

Patrick McGovern of the School of Arts & Sciences and Penn Museum oversaw the first hi-tech molecular analysis of residues found in bronze drinking vessels during a 1950s excavation of an ancient Turkish tomb.

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The Washington Post

Forecast group predicts busiest hurricane season on record with 33 storms

A research team led by Michael Mann of the School of Arts & Sciences is predicting the upcoming Atlantic hurricane season will produce the most named storms on record, fueled by exceptionally warm ocean waters and an expected shift from El Niño to La Niña.

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