Don't miss: ethereal artworks, haunted teens and a gift of tonguesThis week, explore a gallery full of unseen forces, hide behind the sofa for Stranger Things 3, and learn how to unpick strange languagesCulture
HumansWriting: Making Your Mark reveals the power of the written word Is a written culture necessary to make a better culture or better citizens? A smart, satisfyingly deep exhibition at the British Library leaves us wondering Culture