The founder of Signal has been quietly working on a fully end-to-end encrypted, open-source AI chatbot designed to keep users’ conversations secret. In a series of blog posts, Moxie Marlinspike makes ...

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A team of Australian and international scientists has, for the first time, created a full picture of how errors unfold over time inside a quantum computer—a breakthrough that could help make future ...

Amid sky-high inflation, water and energy cuts and prospects for a deal with the U. S. dimming, President Masoud Pezeshkian has apparently thrown up his hands. By Farnaz Fassihi and Leily Nikounazar ...

Srinivasa Ramanujan grew up in southern India with almost no formal education, but his mind never stopped creating mathematics. Using nothing but a single outdated textbook, he taught himself advanced ...

Researchers developed a tiny, lightweight microscope that captures the electrical spikes of neurons at hundreds of frames per second in awake animals. WASHINGTON — Researchers have built a tiny, ...

Administering an exam used to be straightforward: All a college professor needed was an open room and a stack of blue books. At many American universities, this is no longer true. Professors now ...

Beyond the cancellations that SEPTA riders have been faced with since the start of the week, on Thursday morning commuters across the city saw additional delays as "signal issues" led to a slowdown ...

Kate Fitz-Gibbon has received funding for research on violence against women and children from a range of federal and state government and non-government sources, including Australia's National ...

On Nov. 2, Alaskans will again “fall back” as we return to Alaska Standard Time. We’ll reset clocks, enjoy an extra hour of sleep, and for a moment, ask the same question we always do: Why are we ...