Watch Animations Showing How Humans Migrated Across the World Over the Past 60,000 YearsHumanity's origins can be traced back to Africa, as the source of global migration and mitochondrial DNA lineages.
The Last Stand of the Woolly MammothsMammoths survived on Wrangel Island for thousands of years, founded by a small herd but ultimately went extinct due to genetic disorders and inbreeding risks.