From the BBC: ‘Viking mouse’ invasion tracked.
Scientists say that studying the genes of mice will reveal new information about patterns of human migration.
They say the rodents have often been fellow travellers when populations set off in search of new places to live — and the details can be recovered.
A paper published in a Royal Society journal analyses the genetic make-up of house mice from more than 100 locations across the UK.
It shows that one distinct strain most probably arrived with the Vikings. [continue]