Sylw i'r datblygiadau diweddaraf ym maes ymchwil bacteria, a sgwrs gyda Rhianedd Jewell. A discusison on the latest research into bacteria, plus Rhianedd Jewell joins Dylan. Show more
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Sylw i'r datblygiadau diweddaraf ym maes ymchwil bacteria, a sgwrs gyda Rhianedd Jewell. A discusison on the latest research into bacteria, plus Rhianedd Jewell joins Dylan. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
