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First-ever evidence of exotic particles in cobalt monosilicide
a person wearing darkened glasses adjusting lenses on an optics table

First-ever evidence of exotic particles in cobalt monosilicide

The discovery of fourfold topological quasiparticles in this metallic alloy could be used to engineer topological materials with unique and controllable properties in the future.

Erica K. Brockmeier

Researchers discover new molecules for tracking Parkinson’s disease
a chemical structure made of a wavy sheet and bound by a single chemical, represented as large colored balls, along one side

The chemical structure of an alpha-synuclein fibril with an “exemplar” molecule, shown as colored spheres, bound to a previously identified binding site. Researchers at Penn recently demonstrated a new method for screening and identifying molecules computationally that can then be developed into imaging probes for studying proteins that are associated with Parkinson’s disease. (Image: E. James Petersson)

Researchers discover new molecules for tracking Parkinson’s disease

The study describes an innovative approach for identifying and evaluating candidate molecules that can image and track the progression of a wide range of neurodegenerative diseases.

Erica K. Brockmeier

U.S. companies vie for funds in race to build rare earths industry

U.S. companies vie for funds in race to build rare earths industry

Eric J. Schelter of the School of Arts & Sciences spoke about rare earth metal mining and the process of separating the metals from ores. “In some sense, the first steps [of rare earth production] are relatively easy and well-understood, but the real challenge to make money is to do the separation,” he said.

A new tool for cell biologists
a diagram of the sars-cov-2 virus showing the proteins and sugars on the exterior

A new tool for cell biologists

Researchers describe a new approach for creating realistic synthetic cells, providing a new tool that can be used to figure out how certain pathogens, such as SARS-CoV-2, infect hosts.

Erica K. Brockmeier

At home, but still engaged with STEM classes
close up of tito device

At home, but still engaged with STEM classes

While instructional laboratories on campus are closed, students, faculty, and instructors are finding creative solutions for science, math, and engineering courses and projects.

Erica K. Brockmeier

Penn labs get creative to stay productive, connected
thomas mallouk lab with researcher

Penn labs get creative to stay productive, connected

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.

Michele W. Berger

A better building block for creating new materials
a lego set of a microscope on a table with a green vial next to it

A better building block for creating new materials

Researchers describe a new way to synthesize organic “Legos,” a chemical framework that can be easily modified and controlled to create new materials with unique properties.

Erica K. Brockmeier