Groundbreaking research carried out at Swansea's Morriston Hospital could change the way heart attack patients are treated around the world.
Patients are being offered a treatment to widen all of the affected arteries in their heart which should prevent further hospital admissions.
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In this today's Newsweek Wales, Carl talks about cancer survival rates in Wales and the search for volunteers to train guide dog puppies.
It'll be brighter today with some lingering blustery showers. This evening it'll be colder under clear skies, with isolated showers.
Gareth Bale put any domestic troubles behind him as he starred in Wales' emphatic 3-0 win over Israel in Haifa.