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Bernard Zygelman (Physics and Astronomy) has conducted research that recently was highlighted in Europhysics News, the magazine of the European Physical Society. The research shows how the development of cold hybrid ion-atom traps has enabled researchers to explore a new frontier; atom-ion interactions at temperatures below 1 K. The original research paper, "Cold Ion-Atom Chemistry Driven by Spontaneous Radiative Relaxation: A Case Study for the Formation of the YbCa+ Molecular Ion," was published in the Journal of Physics B: Atomic, Molecular and Optical Physics, which covers the study of atoms, ions, molecules, and clusters, and their structure and interactions with particles, photons, or fields.