In July of 2023, retired commander in the U.S. Navy David Fravor testified to the House Oversight Committee about a mysterious, Tic Tac-shaped object that he and three others observed over the Pacific ...

AI Can Now Design and Run Thousands of Experiments Without Human Hands. We Aren’t Ready for the Risk to Biosecurity. Sign up to receive top stories about groundbreaking technologies and visionary ...

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Americans’ engagement with others is not one-dimensional. Instead, they sort into four distinct groups that reflect different patterns of participation in society. Weekly updates on the world of news ...