In T.C. Boyle’s short story the character Beatrice Umbo is a central figure. Academic analyses, such as those found in the Wascana Review , examine how her life and that of a chimpanzee named Konrad are "torn apart" by memories, presenting a "so different" perspective on the boundary between human and animal. So Different | Umbo - Kraak Records - Bandcamp
: The umbo is the most depressed part of the tympanic membrane (eardrum). Research such as the Finite-Element Modelling of the Gerbil Middle Ear explores how the umbo's response to sound frequencies is "so different" when comparing experimental data to computer models. Umbo - So Different
In scientific literature, the term refers to specific anatomical structures that vary significantly across species, leading to several "interesting papers" regarding these differences: So Different | Umbo - Kraak Records -