By Ken Arnold, Andrea Bandelli, Rachel Ellis, Jane Henderson, Michelle Henning, Rebecca Mellor, Theano Moussouri, Michal Nanoru, Hannah Redler-Hawes and Tim Snelson Ten out of ten: a review of the last decade By Hannah Redler-Hawes We create the Universe: artists and scientists take on the Big Bang By Tilly Blyth Issue 21 Editorial By Elissavet Ntoulia Review: Colour Revolution: Victorian Art, Fashion & Design, Ashmolean Museum Oxford exhibition By Graeme Gooday, Alexander King and Nela Spurna 1876 and All That: the ‘Special Loan Collection of Scientific Apparatus’ as a case study in crowd-sourced international public science By Naomi Haywood, Karen Davies and Lauren Souter Supporting young children’s learning from science objects: the importance of play on gallery By Lauren Ryall-Waite Review: Living with Machines By Abigail MacKinnon The BepiColombo ‘model’: looking beyond the ‘original’ By Elizabeth Bruton, Jeremy McCarthy and Dermot Turing Zygalski sheets: Polish codebreaking and the role of reconstruction in the Top Secret exhibition at the Science Museum By David H Lee Reports and commands: deciphering a health exhibition using the SPEAKING mnemonic