IrresistibleWhy are some things cute, and others not? What happens to our brains when we see something cute? And how did cuteness go global, from Hello Kitty to Disney characters? Cuteness is an area where culture and biology get tangled up. Seeing a cute animal triggers some of the most powerful psychological instincts we havethe ones that elicit our care and protectionbut there is a deeper story behind the broad appeal of Japanese cats and saccharine greetings