Is there a new human species waiting to be discovered?

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(CNN) It might be time to include more branches to the human ancestral tree. Scientists have actually created an evaluation tool to identify the characteristics we share with early human beings, Denisovans and neanderthals, and how our histories crossed courses.

In the procedure of comparing these ancient populations from 50,000 to 70,000 years ago versus modern-day ones, the scientists experienced an interesting enigma. When taking a look at the procedure of admixture, the transfer of genes from one separated population to another, they recognized that ancient human history may be more complicated than formerly believed.