The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

CT perfusion and angiography failed to meet sensitivity and specificity thresholds to determine brain death. Neither should be used as standalone tests to establish death by neurologic criteria, the ...

Many people think that snoring is just a normal part of sleep. But for some, it can be a sign of a serious and often ignored ...