What scientific concept would improve everybody's cognitive toolkit? This is the question John Brockman, publisher of Edge.org, posed to the world's most influential thinkers. Their visionary answers flow from the frontiers of psychology, philosophy, economics, physics, sociology, and more. Surprising and enlightening, these insights will revolutionize the way you think about yourself and the world. This Will Make You Smarter features Daniel Kahneman on the "focusing illusion"; Jonah Lehrer on controlling attention; Richard Dawkins on experimentation; Aubrey De Grey on conquering our fear of the unknown; Martin Seligman on the ingredients of well-being; Nicholas Carr on managing "cognitive load"; Steven Pinker on win-win negotiating; Daniel C. Dennett on benefiting from cycles; Jaron Lanier on resisting delusion; Frank Wilczek on the brain's hidden layers; Clay Shirky on the "80/20 rule"; Daniel Goleman on understanding our connection to the natural world; V. S. Ramachandran on paradigm shifts; Matt Ridley on tapping collective intelligence; John McWhorter on path dependence; Lisa Randall on effective theorizing; Brian Eno on "ecological vision"; Richard Thaler on rooting out false concepts; J. Craig Venter on the multiple possible origins of life; Helen Fisher on temperament; Sam Harris on the flow of thought; and Lawrence Krauss on living with uncertainty.