Viking hordes dined on frozen Norwegian cod shipped to Germany. Norwegian cod may have arrived in Germany hundreds of years earlier than we originally thought. It seems they worked out 1200 years ago how to freeze-dry fish to keep it fresh on the long voyage from the Arctic.

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Viking hordes dined on frozen Norwegian cod shipped to Germany. Norwegian cod may have arrived in Germany hundreds of years earlier than we originally thought. It seems they worked out 1200 years ago how to freeze-dry fish to keep it fresh on the long voyage from the Arctic.