Rand Paul Supporter Stomps on MoveOn Activist’s Head (Video)

In this excerpt from “Playful,” Cas Holman surveys the research that brought the neuroscience of play into the mainstream.

In this excerpt from “One Hand Clapping,” Nikolay Kukushkin makes the case that neurons reveal how memory, meaning, and even consciousness emerge from the same biological roots in humans, sea slugs, and beyond.

If the people controlling AI are biased, the output will also be. Free speech scholar Jacob Mchangama makes the case for completely open-source AI.

In this excerpt from “Lucky By Design,” Judd Kessler explains how opportunity costs shape our choices and why time is the real price we pay.

A preview of the latest novel by the Hugo- and Nebula-winning author.