The icy continent serves as a scientific haven for more than 1,000 researchers around the year, who monitor climate change and study Earth’s history. Its barren landscape gives them access to an unspoilt world, where they can complete their research without intrusion or political pressure. But, sometimes the scientists like to head beneath the ice to get a glimpse into an ecosystem untouched in millennia, and Advexon’s “Under the Ice” documentary showed what happens when they do.