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Inspired by nature, artificial microtubules can work against a current to transport tiny cargoes
graphic of microvascular networks showing how free-swimming microrobots disperse but a microcatheter propels robots against a flow to a target

W

hile free-swimming microrobots have been explored as a way to precisely deliver therapeutics within a blood vessel, they can disperse in the strong flows, failing to reach their target at high enough concentrations. In contrast, microrobots propelled along an artificial microtubule, developed by physicist Arnold Mathijssen and colleagues, can be transported precisely, even working against the current. (Image: Courtesy of Arnold Mathijssen/Nature Machine Intelligence)

Inspired by nature, artificial microtubules can work against a current to transport tiny cargoes

Technology developed by Arnold Mathijssen of the School of Arts & Sciences and colleagues could one day clear blockages in blood vessels or precisely target chemotherapy drugs to a tumor.

Katherine Unger Baillie

Educating community-oriented biologists
A student smiling in a lab wearing a lab coat.

Reginald Kwarteng is an undergraduate student researcher in the Wagner Lab. (Image: Wil Prall)

Educating community-oriented biologists

Mecky Pohlschröder of the School of Arts & Sciences reflects on an SNF Paideia course that connects research conducted in the STEM field to the broader community, allowing students to observe the influences of their work outside of the lab.

Dorothy Roberts on ‘Black Families Matter’: Race and Regulation Podcast
Dorothy Roberts

Dorothy Roberts, the George A. Weiss University Professor of Law and Sociology and the Raymond Pace and Sadie Tanner Mossell Alexander Professor of Civil Rights. (Image: Penn Law)

Dorothy Roberts on ‘Black Families Matter’: Race and Regulation Podcast

In her book, “Torn Apart: How the Child Welfare System Destroys Black Families—and How Abolition Can Build a Safer World”, Roberts says the U.S. should replace its current family surveillance system with one that improves children’s welfare.

Exploring Mongolia with an insider’s view, no luggage necessary
Penn Global seminar students hold up cups outside the Winter Palace

Professor Christopher P. Atwood (left), the group’s guide Javzandulam Sodnom (right), and Penn Global seminar students at the ceremonial gate near the entrance to the Bogd Khan’s Winter Palace in Ulaanbaatar, Mongolia. They are toasting with small cups of “airag,” or fermented mare’s milk, a traditional drink which Penn graduate Yang Yuqing (yellow shirt, center), who is currently studying in Mongolia, brought for the class. (Image: Courtesy of Penn Global)

Exploring Mongolia with an insider’s view, no luggage necessary

Students in Christopher P. Atwood’s Penn Global seminar on Mongolian civilization explored the capital and vast grasslands of Mongolia, meeting welcoming locals along the way.

Kristen de Groot

Partnering with Philadelphia teachers to inspire climate action
A group of 13 people stand in a classroom smiling.

In June, Bethany Wiggin of the School of Arts & Sciences joined with 10 Philadelphia high school teachers to incorporate climate into their curricula. (Image: Courtesy of Mia D’Avanza and Bethany Wiggin)

Partnering with Philadelphia teachers to inspire climate action

Bethany Wiggin, founder of the Penn Program in Environmental Humanities, is working with public high school teachers across Philadelphia to incorporate climate education into the classroom.

Luis Melecio-Zambrano

Inspired by the human heart, Penn Engineers design tear-resistant soft material
Glass fibers embedded in stretchy silicone.

Using a 3D printer, Penn Engineering researchers are able to precisely control the alignment of glass fibers embedded within this stretchy silicone. The stripes represent regions with different fiber alignment patterns, and thus different levels of resistance to the tear making its way across the sample. (Image: Penn Engineering Today)

Inspired by the human heart, Penn Engineers design tear-resistant soft material

Engineers have designed a soft material for robotics, medical devices, and wearable technologies that are both tear-resistant and able to resist deformation.

From Penn Engineering Today

Testing, treatments, and more: A glossary for year three of the pandemic
Illustration of people talking about the coronavirus pandemic

The lexicon of the coronavirus pandemic continues to expand as new knowledge about COVID-19 emerges. 

Testing, treatments, and more: A glossary for year three of the pandemic

Penn Today adds a new installment to this series aimed at making sense of the language around COVID-19.

Marilyn Perkins