# Bang goes the sodium... Brian Cox Experiments...

Bang goes the sodium…   
[Brian Cox Experiments with Sodium – Wonders of the Universe: Stardust, preview – BBC Two](http://www.youtube.com/watch?v=ALPPs7SefLY)

[Brian Cox Experiments with Sodium – Wonders of the Universe: Stardust, preview – BBC Two](https://plus.google.com/_/notifications/ngemlink?&emid=CMCzmvb-nqoCFUV03Aod6EvCJQ&path=%2F102084005490627600774%2Fposts%2FT6vJdLutPhB%3Fgpinv%3DAGXbFGxLICKQhCqGKMjlsx7BzPZeQUzdwExsTAW5NukHx7v_LozW3k9v6oC_swpcOzF4kS-6BIq0FKXGQwyy-qkb3H_MHxANNCfi3IjkvIzlwEVqESQdgv4%26hl%3Den_US)

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[youtube.com](http://www.youtube.com/v/ALPPs7SefLY&hl=en&fs=1&autoplay=1) – <http://www.bbc.co.uk/programmes/b00zm833> Professor Brian Cox demonstrates why we rarely see chemical elements such as calcium and sodium in their raw form; they are extremely reactive, as he discovers…

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