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Urban form, transit supply, and travel behavior in Mexico’s 100 largest urban areas
Traffic jam in Mexico City

Urban form, transit supply, and travel behavior in Mexico’s 100 largest urban areas

A new paper examines the relationship between urban form, transportation supply, and individuals' mode choice across Mexico's 100 largest urban areas, and predicts relationship between urban form, transit supply, and individual mode choice.

Penn Today Staff

Wonder within wonder
uterine transplant researchers

Wonder within wonder

Penn Medicine’s uterus transplant trial offers hope for a rare form of infertility—and at the same time, has the potential to unlock a deeper understanding of the complex biology of human pregnancy.

Queen Muse

From Play-Doh to Slinkies, an engaging introduction to the basics of the brain
Elementary school students with model brains

Students like Anijah Tucker-Hill tried different-sized brains on for size, trying to guess which model was to human scale. 

From Play-Doh to Slinkies, an engaging introduction to the basics of the brain

The Kids Judge! Neuroscience Fair brought West Philadelphia fourth graders and Penn neuroscience students together for a morning of hands-on fun.

Gwyneth K. Shaw

Perelman School of Medicine students find their match
A standing med student is handed an envelope on Match day while smiling.

Perelman School of Medicine students find their match

On March 15, 146 medical students from the Perelman School of Medicine celebrated Match Day—the national, annual ceremony, during which students learn where they will spend the next chapter of their journeys toward becoming physicians and surgeons. 

Penn Today Staff

The placebo cure
Five round pills lined up with smiley faces drawn on the front

The placebo cure

Drug researchers use control groups to measure the efficacy of their drug tests. What happens when the control group responds? Science proves the placebo effect is indeed medicine itself.
A bad bout of flu triggers ‘taste bud cells’ to grow in the lungs
Microscopic images of fluorescent cells show up green against a red and blue background. The green glowing cells are elongated in shape.

The discovery of tuft cells (in green) in mice lungs after flu gives researchers insights into how a bad respiratory infection may set the stage for certain inflammatory conditions, such as asthma. The cells are named for the elongated microvilli which project from their surface. (Image: Courtesy of Andrew Vaughan) 

A bad bout of flu triggers ‘taste bud cells’ to grow in the lungs

The discovery of these seemingly out-of-place sensing cells may lend insight into possibilities for protecting lung function in people who experience severe influenza infections.

Katherine Unger Baillie

En garde with Julian Merchant
Fencer Julian Merchant poses seated with his sword and mask in Hutchinson Gym.

En garde with Julian Merchant

The senior fencer discusses competing as a saber at Penn, the training and dedication the sport involves, and how fencing has taken him all around the world.
An implant to blunt opioid effects
gloved hand holding naltrexone implant

An implant to blunt opioid effects

A study by Penn Medicine researchers finds a slow-release naltrexone implant helps HIV patients with opioid dependence adhere to medications and prevent relapse.

Penn Today Staff

Declassified images from U2 spy planes reveal bygone Middle Eastern archaeological features
Satellite images of a desert in Jordan in the Middle East.

Desert kites, stone wall structures that date back 5,000 to 8,000 years like those shown above, were used to trap gazelle and other similar animals. The dry desert of eastern Jordan preserved many of them, but agricultural expansion in western Jordan dismantled or destroyed many more.

Declassified images from U2 spy planes reveal bygone Middle Eastern archaeological features

Researchers from Penn and Harvard are the first to make archaeological use of U2 spy plane imagery, and have created a tool that allows other researchers to identify and access the Cold War-era photos.

Michele W. Berger