Could this reshape history? Scientists have managed to tell a woolly mammoth’s life story by looking into its 14,000-year-old tusk.
How Elma the mammoth left a diary in her tusk
Fully woolly: The largest mammoths were over 11ft tall and weighed up to nine tons. Glossary
Tusk - A really long tooth that extends far out of the mouth.
Alaska - A US state in the extreme northwest of the continent of North America. It is separated from the rest of the USA by Canada.
Woolly mammoth - Its closest living relative is the Asian elephant. The last population lived on Wrangel Island in the Arctic Ocean.
Canada - A country in North America. It is the second-largest country in the world by land area.
Ice age - A long period of time in which global temperatures are extremely cold.
Extinction - Completely dying out.
Climate - The weather over a long period of time.