Episode #1092: “The Bacteria in Discarded, Chewed Chewing Gum”

The Ig Nobel Prizes honor achievements that make people LAUGH, then THINK.

In the Ig Informal Lectures, some days after the ceremony, the new Ig Nobel Prize winners attempt to explain what they did, and why they did it. We released these lectures one at a time.

In Podcast Episode #1092, Marc Abrahams presents the 2021 Ig Nobel Prize for Ecology winners Leila Satari, Alba Guillén, Àngela Vidal-Verdú, and Manuel Porcar. They received the prize 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.

The video for this lecture—graphs, charts and all—can be found online at www.IMPROBABLE.com.

Seth Gliksman, Production Assistant

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