People who live to 110 years and older have large populations of a rare type of immune cell that can kill cancer1, finds a study published today in Cell Reports. It is possible that such cells, called killer T cells, might help people to live to extraordinarily long ages by fighting off cancer — although
“I do not understand why anyone who believes that AI will eliminate most jobs and much of humanity’s relevance would rush to build that future,” Zuckerberg wrote in an essay posted to Meta’s website Monday. “The notion that AI is so dangerous that the only safe path is an extreme concentration of power seems inherently