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Researchers show that cells’ perception of stiffness is a matter of time
Cell Stiffness

A cell can spread out more on a stiffer surface, making it easier for it to move, but the stiffness of its natural biological environment also changes in response. More realistic models of that interplay are necessary.

Researchers show that cells’ perception of stiffness is a matter of time

The relative stiffness of a cell’s environment is known to have a large effect on that cell’s behavior, including how well the cell can stick or move. Now, a new study by University of Pennsylvania researchers demonstrates the role timing plays in how cells perceive this stiffness.

Ali Sundermier , Evan Lerner

The future of technology
Teach-in.Future of tech

Moderator Susan Davidson and panelists Rakesh Vohra, Aaron Roth, and Michael Kearns (left to right) discussed algorithmic decision making, which now contributes to the prices of goods and services we purchase, the media we consume, and whether we are approved for a loan or interviewed for a job.

The future of technology

As new technologies emerge, they bring with them new ethical challenges. The topic of the future of technology was front and center on day three of the Penn Teach-in.

Ali Sundermier

Building futures through LEGOs
Building Futures Through LEGOs

Since this year’s theme is water, the students had to create autonomous robots that would move through LEGO field models and accomplish tasks such as collecting rain water, helping flowers grow, and putting out fires.

Building futures through LEGOs

In the FIRST LEGO League tournament, middle school teams mentored by Penn Engineering students worked to design and build robots related to the theme of water.

Ali Sundermier

Penn engineers test drug transfer using placenta-on-a-chip

Penn engineers test drug transfer using placenta-on-a-chip

Researchers at the University of Pennsylvania’s School of Engineering and Applied Science have demonstrated the feasibility of their “organ-on-a-chip” platform in studying how drugs are transported across the human placental barrier.

Ali Sundermier , Evan Lerner

Penn Engineers Make First Full Network Model of the Musculoskeletal System

Penn Engineers Make First Full Network Model of the Musculoskeletal System

Network science examines how the actions of a system’s individual parts affect the behavior of the system as a whole. Some commonly studied networks include computer chip components and social media users, but University of Pennsylvania engineers are now applying network science to a much older system: the human body.

Evan Lerner