Lahr entrusted the Dane with the precious tooth from Shkul Cave. They both knew the chances of finding DNA in a 120,000-year old sample from the Middle East were slim. But they also knew that ...

(Glen Danilov) Zazula sent a sample from the tooth to Dalén's lab, where the team analyzed the tooth's mitochondrial DNA. The analysis confirmed that the tooth belonged to a woolly mammoth and ...