New revelations about humans’ near extinction spark scepticism
人类曾濒临灭绝的新理论为何遭到质疑？

The further back in time we go, the more slippery scientific deductions about the origins of Homo sapiens become
根据一项研究，人类祖先在大约90万年前曾濒临灭绝，只有一千多个繁殖个体勉强存在于世。但这一发现也遭到质疑，可见探寻人类自身的物种故事所面临的挑战。