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Anthropic shares more details about how Claude’s new watermarks will work. People are complaining about this, but I think it’s good.

Henri Matisse, The Serf, Paris, 1900-1904 #henrimatisse #museumofmodernart

Woman in a Green Jacket, 1913 #macke #augustmacke

Scientists studying three artisan British cheeses found that the microbes responsible for their distinctive flavors may also offer surprising benefits for gut health. As the cheeses matured, helpful bacteria transformed their aromas and textures while potentially producing compounds linked to reduced inflammation, cholesterol regulation, and appetite control.

Einstein’s abandoned cosmological constant made a spectacular comeback when astronomers discovered that the universe’s expansion is accelerating. It now sits at the heart of our best cosmological model—a model that works extraordinarily well, yet may still be wrong.

A magnetar’s colossal magnetic field may have revealed a quantum effect predicted by Werner Heisenberg nearly 90 years ago, in which seemingly empty space alters the behavior of light. If confirmed, the discovery could offer the first direct evidence of vacuum birefringence and open a new window into the strange physics of the quantum vacuum.

Childhood criticism can leave people carrying a fear of failure long into adulthood, but new research suggests those emotional patterns may be surprisingly flexible. Young adults who revisited painful memories through imagery-based therapy showed lasting reductions in fear, guilt, sadness, and stress.

Kratom use and serious health problems linked to it have risen dramatically across the United States over the past decade. Poison center reports jumped from just 19 cases in 2010 to more than 1,200 in 2023, while severe outcomes—including life-threatening complications, disability, and death—also climbed sharply. Researchers warn that kratom can trigger seizures, abnormal heart rhythms, liver damage, and breathing problems, with risks potentially increasing when it is combined with other drugs.