Towards the end of the 8th century the Viking chieftain Ottar (Ohthere), from Hålogaland in northern Norway, was visiting Haithabu in todays Germany.
For long we believed that the cod was a freak, who was fresh despite lack of immunity. But new research shows that all codfishes lack this immune component showing that the immune system generally is more flexible than previously thought.
New methods have made it possible to determine the Atlantic cod's gender genetically. This could increase profits on cod in aquaculture.
“When human activities pose a threat to the cod, we are in a way threatening ourselves,” says Professor Nils Chr. Stenseth.