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Heat domes and flooding have nearly tripled since the ’50s
Everett Clayton looks at a digital thermometer on a nearby building that reads 116 degrees while walking to his apartment on June 27, 2021 in Vancouver, Washington.

Record-breaking temperatures lingered over the Northwest during a historic heatwave in June, 2021 in Vancouver, Washington.

(Image: Nathan Howard via AP Images)

Heat domes and flooding have nearly tripled since the ’50s

New research led by Michael E. Mann links a surge in stalled jet stream events to human-driven climate change, with major implications for future heatwaves, wildfires, and floods.

7 min. read

New rules for methadone doses at home did not increase overdoses

New rules for methadone doses at home did not increase overdoses

LDI senior fellows have studied the impact of the federal policy change for patients to access take-home doses and recommend that policymakers at both the state and federal levels should support the continued expansion of flexible take-home methadone policies, citing the benefits of patient autonomy and the evidence that take-home doses did not increase methadone-involved overdose deaths overall.

Expanding essential wound care for people who use drugs

Expanding essential wound care for people who use drugs

A new study from Penn’s School of Nursing, published in the Harm Reduction Journal, identifies critical factors and strategies for expanding low-barrier wound care services for people who use drugs. The research comes as the rise of xylazine, a tranquilizer found in the street opioid supply, has led to a significant increase in severe necrotic wounds among this population.

Decoding ancient immunity networks
Hand holding a blood vial that reads "complement (C3 + C4)"

A collaborative team from the School of Engineering and Applied Science and the Perelman School of Medicine have unraveled the mathematics of a 500-million-year-old protein network that acts like the body’s bouncer, “deciding” which foreign materials get degraded by immune cells and which are allowed entry.

(Image / iStock Md Saiful Islam Khan)

Decoding ancient immunity networks

A collaborative team from Penn Medicine and Penn Engineering have  unraveled the mathematics of a 500-million-year-old protein network that “decides” which foreign materials are friend or foe.

Nathi Magubane , Ian Scheffler , Holly Wojcik , Matt Toal

5 min. read

Who, What, Why: Xiao Schutte Ke on Tibetan pastoralists and citizen science
Xiao Schutte Ke.

Image: Courtesy of Xiao Schutte Ke

Who, What, Why: Xiao Schutte Ke on Tibetan pastoralists and citizen science

Schutte Ke, a sixth-year linguistic anthropology doctoral candidate in the School of Arts & Sciences, explains the importance of Indigenous citizen scientists in understanding a crucial ecosystem of nomadic livestock herders on the mountainous region of the Tibetan Plateau.

3 min. read

What can ants and naked-mole rats teach about societal roles?
Leafcutter ants moving around a bright green leaf.

In eusocial superorganisms like leafcutter ant colonies, labor is divvied up according to body shape and size, but PIK Professor Shelley Berger and her team discovered that molecular signals can override that blueprint. Their findings reveal how simple neuropeptides can reprogram ant behavior, reshuffling roles in nature’s most disciplined workforce.

(Image: Courtesy of Tierney Scarpa)

What can ants and naked-mole rats teach about societal roles?

PIK Professor Shelley Berger and colleagues explored the genetic basis of labor distribution in communal-dwelling species and discovered that pathways dating back hundreds of millions of years are conserved across animal kingdoms. Their findings offer fundamental insights into complex social behaviors.

5 min. read

The perils and promise of GLP-1 medications
A doctor taking the blood pressure of a patient

Image: rudi_suardi via Getty Images

The perils and promise of GLP-1 medications

How Penn Nursing researchers are ahead of the curve.

From Penn Nursing News

5 min. read

How cable news has diverged from broadcast news
Person sitting on couch watching news.

Image: simonkr via Getty Images

How cable news has diverged from broadcast news

A team of researchers from the Computational Social Science Lab at the University of Pennsylvania find that cable news has increasingly diverged from broadcast news in the topics covered and language used.

3 min. read