Evidence of Homo naledi's age suggests we need to rethink our understanding of human history and evolution.
The environment minister recently told a conference that agriculture is as old as 'mankind'. She's out by a few million years.
Ask any anthropologist what they do and they will find it hard to give you a direct answer. But it ultimately comes down to studying people and their culture.
Humans evolved in Africa, spread across the world, and then it gets messy. Luckily advances in genetic sequencing have helped us track the complex history of human migration.