Dr Lyn Evans has spoken of his pride that Wales was involved in the discovery of what's believed to be the Higgs Boson particle.
Dr Evans from Aberdare was the project leader for research into Higgs Boson, which gives matter mass and and holds the physical fabric of the universe together.
Scientists have been looking for the Higgs since the 1960s, but the search began in earnest more than 20 years ago with early experiments at Cern in Europe and Fermilab in the US.
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An overnight vigil is taking place this evening to commemorate 100 years since the bloodiest day in the history of the British Army.
The showers will ease overnight with a brisk wind around the coasts and relatively mild temperatures!
We visit two communities in the South Wales Valleys which are preparing to mark the commemorations