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How ‘um’ and ‘uh’ shape impressions
Jonathan Lee.

Fourth-year linguistics Ph.D. student Jonathan Lee became curious about breaks in speech when he noticed they were missing from transcripts and subtitles.

(Image: Kevin Ren)

How ‘um’ and ‘uh’ shape impressions

Disfluency, or irregularities and breaks in speech, are part of life—but do they affect how we perceive each other? Fourth-year linguistics Ph.D. student Jonathan Lee is trying to find out.

From Omnia

2 min. read

Working in groups can help Republicans and Democrats agree on controversial content moderation online

Working in groups can help Republicans and Democrats agree on controversial content moderation online

A new study by Annenberg School for Communication professor Damon Centola and alum Douglas Guilbeault explores how content moderators can reach consensus on classifying controversial material online, including inflammatory, offensive, or hateful images.

Hailey Reissman

2 min. read

When employees feel slighted, they work less

When employees feel slighted, they work less

New research from Wharton management professor Peter Cappelli reveals how even the slightest mistreatment at work can result in lost productivity.

From Knowledge at Wharton

2 min. read

Sniffing out cancer: Trained dogs can detect hemangiosarcoma by scent
A black lab smelling an odor in an olfactometer.

Dalton at the olfactometer lineup.

(Image: Shelby Wise)

Sniffing out cancer: Trained dogs can detect hemangiosarcoma by scent

Penn Vet’s Cynthia M. Otto and Clara Wilson and colleagues show that trained dogs can identify the odor of hemangiosarcoma, a devastating canine cancer, offering the hope of a better screening tool and more effective treatments.

3 min. read

Gene therapy ‘switch’ may offer non-addictive pain relief
Scan of human amygdala.

Image: nopparit via Getty Images

Gene therapy ‘switch’ may offer non-addictive pain relief

In a preclinical study, Penn Medicine researchers have uncovered a new gene therapy that targets only pain signals while leaving the rest of the brain untouched.

Eric Horvath

2 min. read

An AI tool to help better understand medical visits
Kevin Johnson seated at his desk with a computer and Karen O'Connor, seated at his desk, both testing the new equipment.

Kevin Johnson, left, demonstrating the recording process with Karen O’Connor, right.

(Image: Sylvia Zhang)

An AI tool to help better understand medical visits

Penn Engineering’s multimodal medical dataset, Observer, links video, audio, and transcripts to clinical data and electronic health records.

Ian Scheffler

2 min. read

Can reminders help you save more money?

Can reminders help you save more money?

Wharton’s Katy Milkman has led a megastudy on 2 million U.S. bank customers, showing that regular reminders to save encouraged people to put money aside.

From Knowledge at Wharton

1 min. read

Lifesaving breakthrough in bacterial behavior
Artist's rendering of bacteria moving through a nanofabricated tube.

(Pictured) An artist’s depiction of a single cell moving through the nanofabricated mictostrucures biophysicist Arnold Mathijssen’s team used to study E. coli.

(Image: Courtesy of Ruoshui Liu/Cylos Studio)

Lifesaving breakthrough in bacterial behavior

Bacteria can actively swim upstream, leading to severe infections in places like the urinary tract and respiratory system and contamination of medical devices like catheters. Biophysicist Arnold Mathijssen and colleagues have uncovered how and why this happens, revealing that E. coli actually “thrives under pressure.” Their findings point to new strategies for designing safer, more effective biomedical tools and treatments.

3 min. read