New research has revealed an incredible discovery: modern humans carry 20% of their genetic material from a mysterious ...

And, while other branches of the human evolutionary tree are vigorously debated in ... Cladogram: a branching diagram that represents only phylogenetic relationships among organisms (i.e., it ...

These diagrams don't ... as speech is a uniquely human trait). Thus, understanding the evolutionary history of living species amounts to understanding where on the tree of life these species ...