A team of researchers at Cardiff University has discovered stem cells in the cheek can be used to supress the immune system. It should help patients with certain types of diabetes, and those whose bodies reject organs after transplants.
It'll be several years before a treatment's developed but the scientists say it's a real breakthrough.
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Not a bad start to the weekend, bright spells and showers for most of us.
None of the people onboard the boat had been wearing a lifejacket. They were spotted clinging to the hull of their upturned boat.
Staff at seven museums in Wales are taking strike action this weekend over plans to cut their pay.