今年是北京猿人第一个头盖骨发现75周年。这个发现曾经是人类起源研究中非常重要的一件大事。在20世纪20年代,全世界已经出土的古人类化石只有四批。一是欧洲的尼安德特人,其年代不足10万年;二是爪哇直立猿人;三是德国的海德堡人;四是英国的“皮尔当人”。虽然当时人类学界认为后三者都比尼安德特人早得多,但是由于各自不同的原因,它们都面临着人类学界的严重质疑,无法 This year marks the 75th anniversary of Peking Man first skull discovery. This discovery was once a very important event in the study of human origin. In the 1920s there were only four ancient human fossils unearthed around the world. First, the Neanderthals in Europe, the age of less than 100,000 years; second is the Javanese ape-man; third is the Heidelberg in Germany; fourth is the British “Peel when people.” Although the last three were considered by the anthropologists to be much earlier than the Neanderthals, they were each seriously challenged by anthropologists for different reasons and could not