The Ig Nobel Prizes honor achievements that make people LAUGH, then THINK.
The 2021 Ig Nobel for Ecology was awarded to Leila Satari, Alba Guillén, Àngela Vidal-Verdú, and Manuel Porcar, for using genetic analysis to identify the different species of bacteria that reside in wads of discarded chewing gum stuck on pavements in various countries.
REFERENCE: “The Wasted Chewing Gum Bacteriome,” Leila Satari, Alba Guillén, Àngela Vidal-Verdú, and Manuel Porcar, Scientific Reports, vol. 10, no. 16846, 2020.