We're post "natural" (for some definitions) selection. C-sections, pre- and post-natal care, life-saving medical advances, glasses/contacts, artificial limbs, ... Not to mention most people don't actually hunt or grow their own food, build their own shelters, or sew their own clothing.
But evolution is still happening.
(nit: I had this comment sitting in a buffer because downvotes on this thread and elsewhere subject me to the HN bad commentor rate limit.)