Fel rhan o Wythnos Wyddoniaeth, mae gan Aled gwestiynau gwyddonol i Deri Tomos. As part of Science Week, Aled takes the opportunity to ask Deri Tomos some scientific questions. Show more
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Fel rhan o Wythnos Wyddoniaeth, mae gan Aled gwestiynau gwyddonol i Deri Tomos. As part of Science Week, Aled takes the opportunity to ask Deri Tomos some scientific questions. Show more