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Physics
How bacteria store information to kill viruses (but not themselves)
How bacteria store information to kill viruses (but not themselves)
Researchers from the School of Arts & Sciences have discovered that the balance between fighting viruses and avoiding autoimmunity has a key role in shaping how bacteria “remember” old infections.
Researchers find topological phenomena at high technologically relevant frequencies
Researchers find topological phenomena at high technologically relevant frequencies
A collaborative new study led by researchers in the School of Arts & Sciences demonstrates topological control capabilities in an acoustic system, with implications for applications such as 5G communications and quantum information processing.
Five Penn students are 2022 Goldwater Scholars
Five Penn students are 2022 Goldwater Scholars
Five juniors have received 2022 Goldwater Scholarships to pursue research careers in mathematics, the natural sciences, or engineering. Penn's newest Goldwater Scholars are Joshua Chen, Allison Chou, Shriya Karam, Laila Barakat Norford, and Andrew Sontag.
Decoding a material’s ‘memory’
Decoding a material’s ‘memory’
A new study details the relationship between particle structure and flow in disordered materials, insights that can be used to understand systems ranging from mudslides to biofilms.
Uncovering unexpected properties in a complex quantum material
Uncovering unexpected properties in a complex quantum material
Using a novel technique developed at Penn, researchers gained new insights into the properties of a proposed excitonic insulator known as Ta2NiSe5, with implications for future quantum devices.
Senior Erin Hayes named Gates Cambridge Scholar
Senior Erin Hayes named Gates Cambridge Scholar
Senior Erin Hayes, a Roy and Diana Vagelos Scholar in the Molecular Life Sciences, has been awarded a Gates Cambridge Scholarship to pursue a Ph.D. in astronomy at the University of Cambridge in England.
A ‘vibrant nexus’ for research and discovery in the physical sciences
A ‘vibrant nexus’ for research and discovery in the physical sciences
With the construction of a new Physical Sciences Building and updates to the David Rittenhouse Laboratory, Penn will create a modernized physical sciences quadrant that integrates state-of-the-art research in physics, mathematics, chemistry, and engineering.
Understanding optimal resource allocation in the brain
Understanding optimal resource allocation in the brain
A collaboration between experimentalists and theorists shows how the brain processes information about textures, paving the way for better understanding of sensory perception efficiency.
Before geoengineering, some fundamental chemistry
Before geoengineering, some fundamental chemistry
Research led by Joseph S. Francisco of the School of Arts & Sciences examines the chemistry of a proposal to curb climate change’s effects—creating a sunshade in the upper atmosphere made of sulfuric acid—and finds that there’s more work to do to successfully pull off such a feat.
A new model for how the brain perceives unique odors
A new model for how the brain perceives unique odors
Using statistical physics and insights from biology, this research can help inform new hypotheses and experiments towards understanding the olfactory system, a complex and crucial pathway of the brain.
In the News
Scientific American
Why some fluids flow slower when pushed harder
Paulo Arratia of the School of Engineering and Applied Science commented on a study that explored how fluids flow under different pressures. “Visualizing flow inside a 3-D porous media literally gives a window into something that was impossible to see,” he said. “If you could actually see the molecules stretching and recoiling, that would be wonderful [to] connect the molecular point of view to the microscopic.”
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Science
From rocks to icebergs, the natural world tends to break into cubes
Douglas Jerolmack of the School of Arts & Sciences commented on his research, which finds that when natural structures break apart, they tend to fragment into cube-like shapes. He said the findings could help geologists calculate the size of rocks breaking off cliff faces, among other applications.
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ScienceFriday.com
A squid’s eye view
Alison Sweeney of the School of Arts and Sciences discussed the complex structure of squids’ eyes, which have special lenses that allow for crisp vision in dark water. “The resolution of their eyes is approaching that of humans, their retinas are much more sensitive than ours are to light, and if you dig into the nitty-gritty of how nature figured it out, I’m forever blown away at the level of nuance to get it to work.”
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Philadelphia Inquirer
Penn's Electric Race Car Team Seeks Fourth Title in Four Years
Eighty undergrads from a variety of departments, including Connor Sendel of the Wharton School and the School of Engineering and Applied Science, are building an electric car with four-wheel drive with hopes of winning two competitions this June.
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