Some extra features from Operation Iceberg where the team examine phenomena and test scientific theories in the field.
Naturalist, Chris Packham takes us on a tour of a unique ten centimetre high forest...
Dr Chris van Tulleken and Andy Torbet illustrate the physiological response called the dive reflex.
Dr Chris van Tulleken investigates what impact the 24 hour sunlight has on the teams sleep patterns.
Extreme adventurer Andy Torbet and Glaciologist Jason Box investigate what triggers large scale calving.
To better their understanding of how the iceberg melts and her team drill into the ‘berg.
Dr Chris van Tulleken conducts an experiment to see how his body reacts to Arctic waters.
Andy Torbet and cameraman Doug Allan dive under the 'berg and examine the structure from below.
Andy Torbet releases a marker dye to reveal how water moves around the iceberg.