Major new research claims smaller-brained 'Homo naledi' made rock art and buried the dead. But the evidence is lacking
- Written by Michael Petraglia, Director, Australian Research Centre for Human Evolution, Griffith University

On September 13 2013, speleologists Rick Hunter and Steven Tucker descended deep into South Africa’s Rising Star cave system and discovered the first evidence of an extraordinary assemblage of hominin fossils.
To date, the remains of more than 15 individuals belonging to a previously unknown species of extinct human,...