But comparisons based on skull shape are not considered conclusive by anthropologists, so a team of Mexican and British scientists, backed by the Natural Environment Research Council, has also attempted to extract DNA from the bones.

• 但是人类学家认为头骨形状的比较并不能成为确凿证据,所以一个由墨西哥和英国科学家组成的小组在自然环境研究委员会的支持下,试图从这些骨骼中提取DNA。