7+ hour, 13+ min ago   (582+ words) How Neanderthals Sealed Their Own Extinction by Mating With Our Ancestors'Why Hybrid Babies Never Stood a Chance'Iowa Park Leader How Neanderthals Sealed Their Own Extinction by Mating With Our Ancestors'Why Hybrid Babies Never Stood a Chance A hidden incompatibility in…...

1+ week, 6+ day ago   (585+ words) The Late Cretaceous is often remembered as a time of intense global warmth, but new data sharpen that picture. By directly dating dinosaur eggshells, researchers have narrowed the timeline, illuminating how ecosystems navigated a dramatic climatic transition. This approach adds…...