what is the stickiest substance in the world?

Question: what is the stickiest substance in the world?
- Keywords:
  sticky,
  substance,
  work
Asked by anon-243890 to Filipe on 18 Mar 2020.
- Filipe Richheimer answered on 18 Mar 2020:
  
  I had to look it up myself! Apparently there is some bacteria, the Caulobacter crescentus, which uses a very sticky substance to hold onto surfaces.

Question: what is the stickiest substance in the world?