Les saumons du lac surprise
- Episode aired May 31, 2012
- 52m
Time and again, over the centuries, Alaskan volcanoes have erupted and poisoned the environment. Scientists have only just begun to piece together what might have happened nearly 2,000 years... Read allTime and again, over the centuries, Alaskan volcanoes have erupted and poisoned the environment. Scientists have only just begun to piece together what might have happened nearly 2,000 years ago, when one race of salmon faced the death of their natal river and were forced back to... Read allTime and again, over the centuries, Alaskan volcanoes have erupted and poisoned the environment. Scientists have only just begun to piece together what might have happened nearly 2,000 years ago, when one race of salmon faced the death of their natal river and were forced back to the open ocean - on an extraordinary adventure. Navigating between the sulfurous waters, ... Read all