March 11, 2013 8:16 am Fingerprinting to Pay Express South Dakota School of Mines partners with Nexus to change the way students pay for their meals. The device uses biocryptology that locates points on the finger, up to seven layers deep, for identification. US & World Videos 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 3:45 Gabrielle Union and Dwyane Wade's daughter had cutest reaction to mom's Met Gala dress 1:12 Ariana Grande channels Glinda at 2024 Met Gala 1:35 Rita Ora reveals Taika Waititi's last-minute change to her Met Gala dress: ‘Thank God'