Are Humans Smarter Than They Were 100 Years Ago? Here’s The Evidence

“Our improved ability to reason abstractly may also be the result of the spread of scientific thinking-reason, rationality, empiricism, skepticism. Thinking like a scientist means employing all our faculties to overcome our emotional, subjective, and instinctual brains to better understand the true nature of not only the physical and biological worlds, but the social world (politics and economics) and the moral world (abstracting how other people should be treated) as well.”