Recorded February 2017. In this episode, Dr. Lucas Delezene talks about his work broadly and, specifically, about the teeth of a new hominin species: Homo naledi. At the time of recording, the age of the specimens was unknown. In May, it was announced that these hominin fossils date from 236 to 335 thousand years ago (Dirks et al., 2017 https://elifesciences.org/articles/24231)