An anthropologist's new book lays out the formula for human innovation, from stone tools to supercomputers. Depending on developments in the next few years, AI could hit the gas or the brakes.
As President Trump and other Republicans cast doubt on the legitimacy of the US electoral system, other democracies offer lessons in protecting the integrity of voting systems.
As AI data centers are added to Pennsylvania's existing infrastructure, they bring the promise of economic growth and a massive, 24/7 appetite for electricity.