http://www.slate.com/articles/slate_plus/science/2015/09/how_new_hominid_homo_naledi_was_discovered_in_a_cave.html

Paleoanthropolgy is not the most accessible scientific field. Even the word itself is hard to say! Paleoanthropologists spend their time in remote caves and river basins, sorting what look to the rest of us like piles of rocks. And then they spend years writing papers for academic journals to explain their discovery.