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How one molecule keeps plants youthful
flowering acacia plant.

Image: Courtesy of Omnia.

How one molecule keeps plants youthful

In a career-defining paper, Scott Poethig, a biologist at the School of Arts & Sciences, has discovered that a single molecular switch can freeze plants in their juvenile state.

Marilyn Perkins

2 min. read

Is there an AI bubble and what happens if it bursts?
Traders at the New York Stock Exchange looking at monitors.

Wall Street rides an AI-fueled rally that has pushed major indices to new highs that’s driven largely by a handful of dominant tech firms. As enthusiasm around artificial intelligence reshapes markets and concentrates risk, questions are mounting about whether the surge reflects durable growth or the familiar shape of a speculative bubble. Wharton finance crises expert Itay Goldstein explains how bubbles form, why they can be so dangerous, and what today’s AI boom shares—and does not—with past market madness like the one described in “The Big Short.”
 

(Image: Getty / Spencer Platt)

Is there an AI bubble and what happens if it bursts?

Wharton’s Itay Goldstein discusses financial bubbles, the mechanics of betting against them, and the risks facing the AI boom.

3 min. read

Reflecting on Jane Austen, 250 years after her birth
Jane Austen book by Robert Miles and Mansfield Park by Jane Austen.

nocred

Reflecting on Jane Austen, 250 years after her birth

English professors Michael Gamer and Barri Joyce Gold have been teaching courses specifically dedicated to Jane Austen for years. They spoke with Penn Today about their approach to teaching her novels, how they challenge common readings and myths, and what makes Austen’s work so enduring—and adaptable to the screen—more than two centuries later.

3 min. read

Virtual nursing programs in hospitals fall short of expectations

Virtual nursing programs in hospitals fall short of expectations

Hospitals struggling to attract and retain enough registered nurses at the bedside are implementing alternative strategies to ensure patients get needed nursing care.

From Penn Nursing News

2 min. read

One School, many schools of thought
Mark Trodden.

School of Arts & Sciences dean Mark Trodden joins faculty in discussion for Omnia’s latest podcast series.

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One School, many schools of thought

A special edition of the Penn Arts & Sciences “Ampersand” podcast features Dean Mark Trodden in conversation with SAS faculty from different disciplines.

Alex Schein

2 min. read

Using data to drive criminal justice reform

Using data to drive criminal justice reform

Tricia Rojo Bushnell leads an interdisciplinary, data-driven research and policy hub focused on improving the criminal justice system.

Evolution at a molecular level

Biologist Mia Levine and colleagues have demonstrated how a pair of essential protein partners undergo rapid evolutionary change to counter fast-evolving parasitic DNA while maintaining core cellular functions. The work presents novel insight into how evolution works at the molecular level.

(Image: Getty images/Joao Paulo Burini)

Evolution at a molecular level

Research led by Mia Levine shows how a vital DNA protection protein complex adapts to new threats without compromising essential functions.

3 min. read

Breaking down misconceptions on unconditional cash programs
Three people sitting at front of room with slideshow behind them.

School of Social Policy & Practice Dean Sara S. Bachman (left) introduced an event on economics as part of the Politics of Well-Being series. SP2 alumnus Karim Sharif (second from left) moderated a discussion with associate professors Amy Castro and Ioana Marinescu.

(Image: Carson Easterly/School of Social Policy & Practice)

Breaking down misconceptions on unconditional cash programs

As part of the Politics of Well-Being series, associate professors Amy Castro and Ioana Marinescu shared findings from their research on guaranteed income and universal basic income.

3 min. read

Bringing COP30 from Brazil into Penn classrooms
The exterior of the building for COP30.

Image: Courtesy of COP30

Bringing COP30 from Brazil into Penn classrooms

Penn Carey Law professors Bill Burke-White and Ken Kulak attended COP30, this year’s United Nations Climate Change Conference, and incorporated their experiences into their International Climate Change and Energy Law and Climate Change courses.

3 min. read

Florencia Polite: Healer, educator, advocate
Florencia Polite.

Florencia Polite, Penn Medicine’s chief of Academic Specialists in Obstetrics and Gynecology and vice chair of the department’s clinical operations.

(Image: Courtesy of Penn Medicine News)

Florencia Polite: Healer, educator, advocate

At home and overseas, Florencia Polite is on a mission to help patients and physicians understand how RSV vaccines protect newborns.

From Penn Medicine News

2 min. read