India, Nov. 9 -- Imagine an underwater icicle slowly growing beneath a thick layer of sea ice, extending towards the ocean floor and freezing everything it touches. This extraordinary natural phenomenon, known as the 'Ice Finger of Death', has fascinated scientists and viewers with its unusual formation and potentially deadly impact on marine life.

Scientifically called a brinicle, this rare ice formation occurs in extremely cold polar waters, particularly around Antarctica. Footage captured by a BBC documentary crew shows the icy structure gradually extending downwards before reaching the seabed and spreading across the ocean floor.

What Is The 'Ice Finger Of Death'?

A brinicle is a hollow, finger-like tube of ice that develops beneat...