Observation.

world whether by changing to suit environment or by technology the human nature is to adapt not to evolve. From observation in humanity by Keion Alexis though fictional brings forward a view that the human race adapts rather than evolves. Though fictional would that theory hold up in this world?.   

Observation in Humanity imagination and dreams a short story series  
http://www.amazon.com/Observation-humanity-Imagination-Dreams-ebook/dp/B00BBGF7VE/ref=ntt_at_ep_dpt_1

from my blog evolve or adapt  http://imagineifreal.blogspot.com/2013/02/evolve-or-adapt.html