The 'Finger of Death' that Freezes Everything it Touches | Earth's Great Seasons | BBC Earth

Summary by Krater

A documentary segment exploring the marine life beneath the Antarctic ice and the phenomenon of brinesicles, which form when supercooled water sinks and freezes everything in its path.

From the video

Answers: What is a brinesicle and how does it affect Antarctic sea life?

• Antarctic marine life
• Brinesicles
• Polar diving
• Seals in Antarctica
• Underwater ecosystems

What it concludes

• In winter, the Antarctic continent doubles in size.
• The sea beneath the ice in Antarctica is a constant -2 degrees centigrade, which is over 50 degrees warmer than at the surface.
• A brinesicle is a pillar of supercooled water sinking from above and forming ice that freezes and imprisons creatures on the seafloor.