What distinguishes humans from animals? | DW Documentary

Researchers set out competing accounts of why one primate ended up with cognitive abilities so far beyond the animals that out-see, out-hear and out-navigate it in almost every other respect. The film closes on the uncomfortable half of that story: whether the same traits that built civilisation are the ones now dismantling it.

Why it's free: Free on DW's own channel; DW broadcasts and publishes it.