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Scientists unlock frogs’ antibacterial secrets to combat superbugs
A tree frog in Thailand.

The researchers theorized that frogs must have developed antibiotics to survive in their challenging environment.

Image: Michael Edward via Getty Images

Scientists unlock frogs’ antibacterial secrets to combat superbugs

The lab of César de la Fuente has created synthetic peptides, a class of antibiotics, derived from the secretions of a frog commonly found in South Asia.

Ian Scheffler

2 min. read

Meniscus injuries may soon be treated by customizable hydrogel

Meniscus injuries may soon be treated by customizable hydrogel

Researchers at the Perelman School of Medicine found a new 3D-printed customizable hydrogel performed well in preclinical trials with several different types of meniscal tears, offering a potential mend for common joint injuries.

Frank Otto

1 min. read

2025 CAREER Award recipient: Jina Ko

2025 CAREER Award recipient: Jina Ko

Ko, a professor in bioengineering in Penn Engineering and in Pathology and Laboratory Medicine in the Perelman School of Medicine, is awarded the 2025 National Science Foundation (NSF) CAREER Award for her expertise across bioengineering, molecular biology, and chemistry in developing transformative technologies for molecular diagnostics of diseases, especially with respect to how brain-related conditions are diagnosed and treated.

The U.S. is losing its next generation of health scientists
The Hill

The U.S. is losing its next generation of health scientists

In a co-written opinion essay, James Alwine of the Perelman School of Medicine says that slashing of research funding for NIH and the National Science Foundation will eliminate the next generation of health scientists.

Why do women live longer than men?
The New York Times

Why do women live longer than men?

Montserrat Anguera of the School of Veterinary Medicine says that epigenetic factors like climate or chronic stress may also play a role in life span, widening or shrinking the disparities between men and women.

Scientists found a brain switch that could turn anxiety on and off
SciTechDaily

Scientists found a brain switch that could turn anxiety on and off

A study by postdoc Pei Wern Chin of the School of Arts & Sciences found that anxiety behaviors in mice could be controlled by either stimulating or inhibiting the neurons that release serotonin in the cerebellum.