Scientist Nina and her young experimenters discover how substances change and react. They look at where sand comes from and why it doesn't dissolve like sugar or salt. Show more
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Scientist Nina and her young experimenters discover how substances change and react. They look at where sand comes from and why it doesn't dissolve like sugar or salt. Show more
BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.
