The organization Edge.org asks an annual question to academics and thinkers from across the spectrum. The results of the 2011 question, “What scientific concept would improve everybody’s cognitive toolkit?” are published in its most recent publication, titled This Will Make You Smarter. It pulls responses from psychologists and economists, biologists and historians, and countless others.
I’ve found it to be an incredibly useful resource for giving me new ways to think about things, and I’ve since added many pieces to my cognitive toolkit in the process. I’d encourage everyone to check out full text of all of the responses to the above question. Regardless of your level of interest or field of expertise, I’m sure there is something in here for you.