Midnight sun

Dr Chris van Tulleken investigates the impact of 24 hour sunlight on the teams sleep.

30 October 2012

8 minutes

This clip is from

Operation Iceberg—Series 1, Birth of a 'berg

Experiments
Extra features where the team examine phenomena and test scientific theories in the field.

Crevasse watch
Duration: 06:37
Dive Reflex
Duration: 04:48
The dwarf forest
Duration: 03:38
Andy discovers moulin tunnels
Duration: 02:51

Drilling into the 'berg—Series 1, Life and Death of a 'Berg
Duration: 06:06
Cold water tolerance—Series 1, Life and Death of a 'Berg
Duration: 05:23
Diving under the ‘berg—Series 1, Life and Death of a 'Berg
Duration: 06:26
Andy's dye experiment—Series 1, Life and Death of a 'Berg
Duration: 00:59