Background Early graft failure within 90 postoperative days is the leading cause of mortality after heart transplantation. Existing risk scores, based on linear regression, often struggle to capture ...

To some, METR’s “time horizon plot” indicates that AI utopia—or apocalypse—is close at hand. The truth is more complicated.

For at least a decade, the quadruple axel jump was figure skating’s white whale. “It’s been this unreachable thing, like the four-minute mile” once was, says Matthew Lind, a technical specialist for U ...