Big Ideas

A look at a few of our big picture priorities that improve Penn as we create knowledge to benefit the world.

Graphic shows how nanoparticle-based microrobots can remove dental plaque from teeth with their motion and the activity of hydrogen peroxide (H2O2) to kill microbes

Shapeshifting microrobots can brush and floss teeth

In a proof-of-concept study, researchers from the School of Dental Medicine and School of Engineering and Applied Science shows that a hands-free system could effectively automate the treatment and removal of tooth-decay-causing bacteria and dental plaque.

One person holds a framed image of Vladimir Lenin and another holds one of Josef Stalin as others wave red flags behind them in Moscow's Revolution Square.

Soviet Union’s centenary

Experts from across Penn share their thoughts on the 100th anniversary of the establishment of the Soviet Union.

Protesters carrying Iranian flags walk through the National Mall in Washington, D.C., which is dotted with black and white photos of Iranians allegedly killed by their government.

‘The Changing Terrain of Religious Freedom’

This timely volume of essays edited by professors Heather J. Sharkey and Jeffrey Green explores theoretical, historical, and legal perspectives on religious freedom, while examining its meaning as an experience, value, and right.

Lung cells with RNA labeled in pink in each cell

How sex differences may influence lung injury

Comparing lung cells from male and female mice, School of Veterinary Medicine scientists found gene expression differences that may explain why older males are at a higher risk than females for worse outcomes from COVID-19 and similar diseases.

Microscopic image of lung with cells labeled in blue, red, and green

A target for improving recovery from lung injury

After a bout of severe respiratory disease, some patients never fully recover. New research from the School of Veterinary Medicine identifies a factor responsible for inappropriate tissue regrowth after infection, pointing to a possible therapeutic target.