Scientists have created a groundbreaking map of strontium isotopes found across sub-Saharan Africa—which could help descendants of enslaved people reconstruct their family histories.

By providing these boundaries, Lovejoy hopes that he’ll eventually be able to give people an idea of where their ancestors may have come from in Africa.

But in that short time, we’ve discovered about two dozen species of human ancestors in Europe, Africa, and Asia—which ... own ...

we can begin to piece together the story of our ancestors. Here's how early humans spread from East Africa all around the world. Produced by Alex Kuzoian Follow BI Video: On Facebook More from ...