Are artificial sweeteners a good alternative to sugar or do they cause harm?
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Bang Goes The Theory Season 7
A blend of family-relevant stories, spectacular stunts and competitive team challenges, the series is hosted by a gang of presenters who are passionate about science and happy to share their knowledge, banter and experiments.

Welcome to BBC Earth Science! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Science experts.