Rediscovered Fossil Redraws the Map of Woolly Mammoth Territory

Sometimes the greatest discoveries are actually rediscoveries. In Canada, for example, researchers revealed North America’s most northeasterly woolly mammoth find after taking a second look at a mammoth tooth first discovered in 1878.

In a study published last month in the journal Canadian Science Publishing, researchers analyzed a worn mammoth tooth found almost 150 years ago on an island in Nunavut—a northern Canadian territory. The results have led the team to reclassify the…