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The ancient Greek philosopher was on to something, the School of Arts & Sciences’ Douglas Jerolmack and colleagues found.
Observations by the Atacama Cosmology Telescope suggest that the universe is 13.77 billion years old, and reveals how fast the cosmos is expanding.
As research on campus slowly restarts, those whose work requires field surveys, large-scale collaborations, or travel face additional challenges in bringing their research back online.
To an English scholar or avid reader, the Shakespeare Canon represents some of the greatest literary works of the English language. To a network scientist, Shakespeare’s 37 plays and the 884,421 words they contain also represent a massively complex communication network.
When most aspects of university life moved online because of COVID-19, so, too, did the thesis defense for Ph.D. candidates. Despite some challenges, the shift had unexpected benefits.
A new study describes how external forces drive the rearrangement of individual particles in disordered solids, enabling new ways to imbue materials with unique mechanical properties.
While instructional laboratories on campus are closed, students, faculty, and instructors are finding creative solutions for science, math, and engineering courses and projects.
Researchers develop a new model for how the brain processes complex information: by striking a balance between accuracy and simplicity while making mistakes along the way.
Combining theoretical insights with experimental results, physicists demonstrate a new design for optoelectronic devices that could help make optical fiber communications more energy efficient.
In the face of a pandemic that has shuttered most physical laboratories across campus, researchers have shifted gears, maintaining work and social ties through grant- and manuscript-writing, virtual journal clubs, online coffee breaks, and more.
Stuart Kauffman of the Perelman School of Medicine comments on a study that proposed a missing scientific law identifying “universal concepts of selection” that drive evolution.
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Benjamin L. Schmitt of the School of Arts & Sciences and the Weitzman School of Design says that sentiment in the scientific and astronaut communities has begun to shift toward a future in which NASA and Roscosmos are no longer close partners.
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A new exhibit at the American Philosophical Society in Philadelphia celebrates the late Mildred Cohn, a biochemist at the Perelman School of Medicine who fought to reduce discrimination in academia.
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A study by Penn researchers working in physics, neuroscience, and bioengineering found that people instinctively seek patterns and similarities in the data they absorb.
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In a statement for the Simons Observatory, Mark Devlin of the School of Arts & Sciences says that new telescopes and researchers from the UK will make a significant addition to their efforts to examine the origins of the universe.
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In collaboration with the University of Ljubljana, Kathleen Stebe of the School of Engineering and Applied Science has built a swimming microrobot that paddles by rotating liquid crystal molecules.
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