“Finding that much of Africa has Eurasian ancestry was mistaken.” . . .
the team made a mistake in its conclusion that the backflow reached western and central Africa . . .
Manica says that the error occurred when his team compared genetic variants in the ancient Ethiopian man with those in the reference human genome. Incompatibility between the two software packages . . .
Richard Feynman described the scientific method and the importance of determining that a model is “wrong” when it does not match the data.