Gary Motz, Indiana Geological and Water Survey Assistant Director for Information Services, uses a 3D scanner to capture images of one of three remaining sloth bones, at the Indiana State Museum in Indianapolis, Feb, 19, 2019. Indiana University is planning to build a replica of giant ground sloth's skeleton that was once a star attraction in its natural history collection but which was tossed out to make room for students during an enrollment surge following World War II. (Indiana University is planning to build a replica of giant ground sloth's skeleton that was once a star attraction in its natural history collection but which was tossed out to make room for students during an enrollment surge following World War II. (Polly Sturgeon/Indiana Geological and Water Survey via AP) The Associated Press