Donald Trump dreamed of turning the Lincoln Reflecting Pool “American Flag Blue” in advance of celebrations for America’s 250th anniversary on July 4. Instead, he got a pungent, bright green ...

In his battle to clean the murky waters of the Lincoln Memorial Reflecting Pool, President Donald Trump has tried draining, painting, hydrogen peroxide and what the Interior Department describes as ...

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Artificial intelligence is mastering the kinds of projects that have long helped to build the careers of young mathematicians. What does that mean for their future? Credit...Illustrations by Yoshi ...

In a new study, bumble bees solve a completely novel object-manipulation task. What makes this behavior especially remarkable is that the bees had never been trained. The findings challenge the ...

Place any number of dots on a two-dimensional plane—say, a piece of paper—and measure the distance between each pair. If you rearrange the dots, how many pairs could be positioned exactly the same ...

Richard Feynman described a decision-making problem and its solution in handwritten notes, but the meaning of the notes has been a mystery for almost 50 y. We decipher the problem and solution from ...

A Chinese lawyer who fatally poisoned the billionaire gaming tycoon who helped produce the Netflix sci-fi hit “3 Body Problem” has been executed, according to Chinese state media. Xu Yao killed his ...

This marks one of the clearest examples so far of AI helping to solve a longstanding mathematical problem that had stumped the experts. Written for you by our author Paul Arnold, edited by Gaby Clark, ...

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OpenAI claims its new reasoning model has produced an original mathematical proof disproving a famous unsolved conjecture in geometry, which was first posed by Paul Erdős in 1946. If this sounds ...