it was on hn a while back. the link is dead now. https://news.ycombinator.com/item?id=14146776 https://news.ycombinator.com/item?id=14146776 it’s on wikipedia,

it was on hn a while back. the link is dead now. https://news.ycombinator.com/item?id=14146776 https://news.ycombinator.com/item?id=14146776 it’s on wikipedia, with the same dead source https://en.wikipedia.org/wiki/Mirror_test?wprov=sfti1 https://en.wikipedia.org/wiki/Mirror_test?wprov=sfti1 EDIT: Working link to the paper (in some journal of science): https://www.udocz.com/read/are-ants-capable-of-self-recognition-pdf https://www.udocz.com/read/are-ants-capable-of-self-recognit... http://difusion.ulb.ac.be/vufind/Record/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/219269/Details http://difusion.ulb.ac.be/vufind/Record/ULB-DIPOT:oai:dipot....