Unique Identity

While most know that our fingerprints are unique to each of us, it is less commonly known that we have other factors that are uniquely ours. “Just like fingerprints, identical twins don’t share the same iris swirls and patterns, so each of their irises is also unique. … Today computers can identify a person in a crowded city block by their walk” (Sandee LaMotte, “The Other ‘Fingerprints’ You Don’t Know About,” CNN, December 4, 2015, https://www.cnn.com/2015/12/04/health/unique-body-parts/inde...