https://phys.org/news/2019-01-unraveling-threads-bizarre-hagfish-explosive.html > Jean-Luc Thiffeault, a University of Wisconsin-Madison math professor, and collaborators Randy Ewoldt and Gaurav Chaudhary of the University of Illinois have modeled the hagfish's gag-inducing defense mechanism mathematically, publishing their work today in the Journal of the Royal Society Interface. > The ocean-dwelling hagfish is unique for all the strangest reasons. It has a skull, but no spine or jaw. Its skin hangs loose on its