Chemistry Researchers Create New Light-Bending Metamolecules

Researchers at the University of Pennsylvania have devised a way of mass-producing metamaterials, which are structures that have physical properties not found in nature. Recent chemistry Ph.D. graduate and lead author Zhaoxia Qian worked with Assistant Professor of Chemistry Zahra Fakhraai and Nader Engheta of SEAS to create light-bending structures that look like nanoscopic raspberries. Their findings, published in ACS Nano, could be relevant to applications in optical processing and signal handling.

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Arts & Sciences News

Azuma and Hart Named Roy F. and Jeannette P. Nichols Professors of American History

Eiichiro Azuma specializes in Asian American and transpacific history, while Emma Hart teaches and researches the history of early North America, the Atlantic World, and early modern Britain between 1500 and 1800.

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Arts & Sciences Students Honored during 37th Annual Women of Color Day

Sade Taiwo, C’25, and Kyndall Nicholas, a Ph.D. candidate in neuroscience, were honored for their work.

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Nine College Students and Alums Named Thouron Scholars; Will Pursue Graduate Studies in the U.K.

The Scholars are six seniors and three recent graduates whose majors range from neuroscience to communication.

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Irma Elo Named Tamsen and Michael Brown Presidential Professor in Sociology

Elo’s main research interests center on inequalities in health and mortality across the life course and demographic estimation of mortality. In recent years, she has extended her research to include predictors of cognition in high-, middle-, and low-income countries.

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Julia Hartmann Named Fay R. and Eugene L. Langberg Professor in Mathematics

She specializes in algebra and arithmetic geometry, a newer field that applies techniques from algebraic geometry to solve problems in number theory and co-developed the method of field patching.

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Holger Sieg Named Baird Term Professor of Economics

Sieg focuses his research on public and urban economics, as well as the political economy of state and local governments.

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