Glue

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! SciShow Tangents is on YouTube! Go to www.youtube.com/scishowtangents to check out this episode with the added bonus of seeing our faces! Head to www.patreon.com/SciShowTangents to find out how you can help support SciShow Tangents, and see all the cool perks you’ll get in return, like bonus episodes and a monthly newsletter! A big thank you to Patreon subscribers Garth Riley and Glenn Trewitt for helping to make the show possible! And go to https://store.dftba.com/collections/scishow-tangents to buy some great Tangents merch! Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! [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/