Humanity is bound together by so many qualities, and in this episode, we add Being Goopy to the list. What does that have to do with glue? A whole lot, it turns out - cue some ominous foreshadowing....Memento goopy! 

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[Secret Ingredient]

Fibers mixed with water to make adhesive 

https://academic.oup.com/pnasnexus/article/1/1/pgac026/6549457

https://www.eurekalert.org/news-releases/945194

Adhesive inspired by animal protein

https://www.eurekalert.org/news-releases/945194

https://pubs.acs.org/doi/10.1021/jacs.1c10936

Chinese bricks made with gluey substance

https://www.atlasobscura.com/articles/chinese-architecture

https://onlinelibrary.wiley.com/doi/full/10.1002/eem2.12143

[Trivia Question]

Year that the first adhesive stamp Penny Black was mailed

https://www.sothebys.com/en/articles/how-a-single-postage-stamp-birthed-the-information-age

https://www.smithsonianmag.com/smart-news/first-piece-of-mail-sent-using-a-stamp-auction-180983619/

https://www.smithsonianmag.com/arts-culture/the-story-of-the-first-postage-stamp-14931961/

[Fact Off]

Reversible glue made with caffeic acid exposed to certain UV light wavelengths 

Blood albumin glue used in plywood and pre-plastic resin objects

https://extension.purdue.edu/extmedia/FNR/FNR-154.pdf

https://foodeng.wisc.edu/images/publications/2010-9.pdf

https://asmedigitalcollection.asme.org/fluidsengineering/article-abstract/54/11/15/1162589/Blood-Albumin-and-the-Woodworking-Industry?redirectedFrom=PDF

https://plastiquarian.com/?page_id=14216

[Ask the Science Couch]

How glue adhesion/cohesion works and why glue (sometimes) doesn’t cure in the bottle

https://pubs.acs.org/doi/10.1021/acs.macromol.1c01182#

https://www.uhu.com/en-en/glue-advice/adhesive-types

https://d-lab.mit.edu/sites/default/files/inline-files/D-Lab_Learn-It_Adhesives_Jul13.pdf

https://www.sciencedirect.com/science/article/abs/pii/S0143749618300575

https://goldbook.iupac.org/terms/view/CT07137

[Butt One More Thing]

Fibrin glue used to help seal anal fistulas

https://pubmed.ncbi.nlm.nih.gov/12682544/

https://pubmed.ncbi.nlm.nih.gov/1782483/