Summer 2016 (Open Access Journal) - In this edition of JES, we have included a number of research articles, a proposal for collaborative research and a call for articles for a special edition of JES. One article, entitled 'Helping children to express their ideas and move towards justifying them with evidence: A developmental perspective' deals with two very important skills for young children, those of reasoning and argumentation. This issue also focuses on one aspect of chemistry, polymeric solids, in 'Why does jelly wobble?' and on the knowledge of species in early years children.

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