text: Others need to particapate in this because it would help take care of the animals. It would also help Luke and Don out so they wouoldnt have to do that much work by them selves.What if you could decect what other people are feeling even when trying to hide it? Well,in the article "Making Mona Lisa Smile" it explains how techonology called Facial Action Coding System(FACS) can identify human emotions. They use a computer that structures a 3-D computer model of someones face. There are six basic emotions they look for, happiness, surprise,anger,disgust,fear,and sadness.