Sgwrs gyda Gareth Wyn Griffiths, awdurdod byd ar ficrobioleg ym Mhrifysgol Oslo. Gari chats with Gareth Wyn Griffiths, a world-leading microbiologist at Oslo University.
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Sgwrs gyda Gareth Wyn Griffiths, awdurdod byd ar ficrobioleg ym Mhrifysgol Oslo. Gari chats with Gareth Wyn Griffiths, a world-leading microbiologist at Oslo University.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
