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The human heart beats more than two billion times in an average lifespan. The aorta’s tissue is strong enough to withstand this stress, yet flexible enough to maintain a steady flow of blood. But how ...
Filtration membranes are, at their core, sponge-like materials that have micro- or nanoscopically small pores. Unwanted chemicals, bacteria and even viruses are physically blocked by the maze of mesh,...
One area of research within mechanobiology, the study of how physical forces influence biological processes, is on the interplay between cells and their environment and how it impacts their ability to...
When John Crocker, a professor of chemical and biomolecular engineering in the University of Pennsylvania’s School of Engineering and Applied Science was a graduate student, his advisor...
The transistor is the most fundamental building block of electronics, used to build circuits capable of amplifying electrical signals or switching them between the 0s and 1s at the heart of digital co...
When doctors diagnose a torn ligament, it’s usually because they can see ruptures in the ligament’s collagen fibers, visible on a variety of different scans. However, they also often treat patients wi...
Crystalline materials have atoms that are neatly lined up in a repeating pattern. When they break, that failure tends to start at a defect, or a place where the pattern is disrupted. But how do defect...

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