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Italian Physics Team Wins IgNobel 2025 for Lump-Free Cacio e Pepe

Held at Boston University, the playful awards spotlight rigorous, unconventional research chosen by the Annals of Improbable Research.

Overview

  • The eight-member group from Padua, Barcelona, Austria and the Max Planck Institute in Dresden applied fluid dynamics and published their results in Physics of Fluids.
  • Experiments identified starch concentration as the key to a stable, lump-free sauce, with about 2–3% relative to the cheese preventing the “mozzarella phase.”
  • The 35th ceremony took place in Boston under the Annals of Improbable Research, which honors studies that first amuse then provoke thought.
  • Other Italian collaborators were recognized on teams studying how alcohol affects bat flight and what pizzas attract Togo’s rainbow lizards.
  • Additional prizes included a posthumous literature award to physician William B. Bean for 35 years of thumbnail measurements and recognition of European research showing alcohol can sometimes aid foreign-language speech.