Despite wars, disease and climate change, billionaire Microsoft co-founder Bill Gates says he's optimistic that humans' lives ...

can make up the gulf in funding that's emerging right now." Still, Gates is adamant that his "optimism hasn't been shaken," he told the Times. On Thursday, the Microsoft co-founder laid out ...

Gates' optimism isn't solely reliant on AI. Since 1990, the world's child mortality rate has been more than cut in half, thanks to broader access to advanced medical care, vaccinations and ...