It goes back to the Greeks. Plato was an idealist, Aristotle was a materialist.
These differences can't be easily found in DNA.
It's very complicated and informed by a variety of factors, many of which we don't understand.
It's revolutionizing society in every way. It's leading us to the intersection of science, philosophy, theology and ethics.
I keep talking about how dialogue between different fields is important, so why not do this?