Laughter may be best medicine for brain surgery

Neuroscientists at Emory University School of Medicine have discovered a focal pathway in the brain that when electrically stimulated causes immediate laughter, followed by a sense of calm and happiness, even during awake brain surgery. The effects of stimulation were observed in an epilepsy patient undergoing diagnostic monitoring for seizure…

Tech Is Splitting the U.S. Work Force in Two

A small group of well-educated professionals enjoys rising wages, while most workers toil in low-wage jobs with few chances to advance. PHOENIX — It’s hard to miss the dogged technological ambition pervading this sprawling desert metropolis. There’s Intel’s $7 billion, seven-nanometer chip plant going up in Chandler. In Scottsdale, Axon,…