The human brain is a fortress. The blood-brain barrier, a selective shield of tightly packed cells, keeps out toxins and ...

Scientists discovered that the biological instructions within these vesicles differed significantly in postmortem brain samples donated from patients suffering from Alzheimer's disease. In findings ...

Under a midnight moon, Luigi Garlaschelli peered out over graves. He was scouting for glowing balls of light known as will-o’-the-wisps. Like a ghostbuster, Garlaschelli, a chemist formerly at the ...

Hovering blue flames that flicker over bogs and marshes have inspired ghostly folktales for centuries. Known as “will-o’-the-wisp,” “jack-o’-lantern,” “corpse candle” and “ignis fatuus” (“foolish fire ...