So I was reading a fascinating story on the BBC website on the discovery of a WHOLE NEW HUMANOID SPECIES that lived in South Africa up to three million years ago. The new species, named homo naledi, may have even been the first in the genus homo. The first of us!
Reading about the discovery of the homo naledi skeletons themselves, I came across this unexpected detail. The scientists who literally went into the caves where the bones were found all had something in common: