west africa

The Best of Our Knowledge explores topics on learning, education and research.The East African Savannah is known to be the cradle of humanity.Now, researchers are presenting a different history of homo sapiens, theorizing they evolved all across the continent including in rainforests as early as 150,000 years ago.

Todd Moss is chief operating officer and senior fellow at the Center for Global Development a Washington DC think tank, and an adjunct professor at George…