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 ...

Then came the silence. Farouk Ahmed reportedly declined to engage in a public rebuttal, expressing confidence that investigative institutions would clear his name. In theory, silence can be dignified.

Amazon, Microsoft, and IBM are all racing to build a quantum computer. But the technology's feasibility is as hazy as its physics.

We've tested the very best iPhone accessories to help you choose a great gift for your friends and loved ones.