“Light Sensors in Cephalopod Skin”, KERRY GRENS, 2015
https://www.the-scientist.com/the-nutshell/light-sensors-in-cephalopod-skin-35430
https://www.newyorker.com/magazine/2013/12/23/the-intelligent-plant
"These Caterpillars Can Detect Color Using Their Skin, Not Their Eyes." 2019
https://www.smithsonianmag.com/smart-news/these-caterpillars-can-detect-color-using-their-skin-180972996/