Tusk from wolly mammoth (IMAGE) Stockholm University Caption Tusk from wolly mammoth emerging from the permafrost on Wrangel Island. Photo: Love Dalén/Stockholm University. Credit Love Dalén/Stockholm University Usage Restrictions For media use only in connection with this news release. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.