Skeptic » Insight » The Logic of Causal Conclusions: How we know that fire burns, fertilizer helps plants grow, and vaccines prevent disease https://www.skeptic.com/insight/the-logic-of-causal-conclusions-how-we-know-that-fire-burns-fertilizer-helps-plants-grow-and-vaccines-prevent-disease/ Share this:TwitterFacebookLike this:Like Loading... Posted on March 3, 2018
theunstructor 