Revealing the ancient China secret of sticky rice mortar

[PainRack]

So while stuck on the loo, https://www.cracked.com/article_26626_5 ... orked.html
Led me to

https://www.sciencedaily.com/releases/2 ... 093704.htm

Scientists have discovered the secret behind an ancient Chinese super-strong mortar made from sticky rice, the delicious "sweet rice" that is a modern mainstay in Asian dishes. They also concluded that the mortar ― a paste used to bind and fill gaps between bricks, stone blocks and other construction materials ― remains the best available material for restoring ancient buildings.

And led me to a mind blown moment.