“Advancements in science, technology, and medicine over the last century or so have benefitted virtually all people. Scientific progress has lengthened human life spans and improved quality of life.

“These great strides prompt a provocative question: Why does science work? That is, why is the scientific enterprise so effective in delivering critical, reliable information about the natural world that can inform and benefit humankind?
“I have posed this question to many scientists I’ve met through the years. The answer I usually hear is something along this line: ‘It just does. Science is unique. It works.’
I think the reason that most scientists struggle to tell me exactly why science works is … Go here for the answer.