Three colored rings appear impossible to pull apart, until the hidden geometry and physics behind the puzzle reveal how they ...

Duolingo went public in 2021, expanding into new subjects and boosting profitability. Its revenue mainly comes from premium subscriptions, which provide ad-free and enhanced features. AI-powered ...

Supreme Court Refuses to Allow National Guard Deployment in Chicago The move signaled that the justices are likely to immediately block similar deployments in other American cities. Student Loan ...