Beneath Antarctic sea ice forms the brinicle, or “Finger of Death.” Super-cooled brine sinks as a dense plume, freezing seawater into a hollow downward-growing icicle at up to 30 cm per hour. Reaching the ocean floor, it unleashes a freezing cascade that instantly traps and kills starfish, sea urchins, and other bottom-dwellers. #BRINICLE | The Ancient Unexplained

Brinicles

Brinicle (ice finger of death)

The Brinicle: Nature’s Deadly ‘Icy Finger of Death’ Explained | Dr. Pox Dive beneath the frozen oceans of Antarctica and witness one of the strangest and deadliest natural phenomena on Earth: the Brinicle, also known as the “Icy Finger of Death.” This short Dr. Pox reel reveals how a super-cooled stream of salty brine forms beneath sea ice, sinks like a liquid dagger, and freezes everything it touches. Discovered only recently in stunning detail, brinicles are hollow ice tubes that grow downward