Ben Fernando
Researcher at Johns Hopkins University who researches atmospheric re-entry of space debris and explained using seismic detections of sonic booms to track re-entering objects.
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Jan 23, 2026 • 31min
Alzheimer's fingerprick test, and space debris sonic booms
Ellen Foxman, an immunologist who grows nasal tissue models to study colds, explains how fast interferon responses can stop infections. Ben Fernando, a researcher on space debris reentry, describes using seismic detections of sonic booms to track falling spacecraft fragments. Giovanna Lally, a diagnostics lead, outlines a finger-prick blood test trial for early Alzheimer's screening.
