Mathematicians just made a big leap forward on one of the field’s all-time favorite problems. Curves—squiggly lines through space, such as a comet’s trajectory or a stock market trend—are some of math ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

After decades of growth, the use of antimicrobials—including antibiotics—in livestock peaked in 2013 and then dropped by nearly a third by 2020, finds a major new study led by UCL researchers. The ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

New research published in the International Journal of Sexual Health suggests that the reasons why individuals watch pornography are more predictive of their sexual health than how often they watch it ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...

America’s AI boom is pushing the nation’s largest power-grid operator to the brink of a supply crisis. Sixty-seven million people in a 13-state region stretching from New Jersey to Kentucky get their ...

Abstract: Quantum walk-based search algorithms have demonstrated an asymptotic quadratic speedup compared to classical search methods. Formulating a generic search problem as a (quantum) search over a ...

A teenager who uses cannabis only occasionally might not see it as a big deal. Their parents might not either. But new national data suggests that even infrequent use is linked to significant problems ...

Major surprise in Microsoft Vs Google stakes. Microsoft has started 2026 with a surprise for users. Chrome downloads are being hit by the Windows maker’s latest update. But that’s not the surprise. It ...

Schools are facing a growing problem of students using artificial intelligence to transform innocent images of classmates into sexually explicit deepfakes. The fallout from the spread of the ...