Superconductivity—the ability of some materials to conduct electricity with no energy loss—holds immense promise for new technologies from lossless power grids to advanced quantum devices. A ...
When China’s DeepSeek released a competitive new artificial intelligence model called R1 last January purportedly built for less than many rivals, some feared the achievement posed a threat to America ...
An ambitious effort to create a neurophysiological paradigm to explain near-death experiences has failed to capture many fascinating and often perplexing aspects of people’s brushes with death, top ...
Hospital participation in Medicare's bundled payments for care improvement (BPCI) model 2 program for heart failure (HF) was not associated with significant improvements in quality performance ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results