You go back into the time of T-rexes and pterodactyls. In addition to having feathers, you find that most of the dinosaurs have giant ears. Ears are made of cartilidge and decompose rather than fossilize, which would explain why this hasn't been found out yet. You notice that the hot cocoa you brought in the time machine with you is beginning to form ripples. There's a T-rex approaching. What will you do?