How did humans evolve, and will they evolve more? – Anya T., 13, Brookline, Massachusetts Everything that is alive today has evolved, including human beings. Our ancestors evolved many traits that helped them survive in their environments, and we still have many of those traits today. Two of the most important and consequential traits are walking on two legs and having a large brain. I’m a scholar of human evolution. I study how evolution works, including how it has changed the shape of the bones in the skull and ankle of humans and other primates. So how did humans evolve, and where will evolution take us in the future?