Firm raises $15m to bring back woolly mammoth from extinction | Extinct wildlife | The Guardian
https://www.theguardian.com/science/2021/sep/13/firm-bring-back-woolly-mammoth-from-extinctionThriving or surviving? The isotopic record of the Wrangel Island woolly mammoth population
https://www.sciencedirect.com/science/article/pii/S0277379119301398