Digested week: Serena Williams’s return and the superior branch of evolution | Emma Brockes

The seven-time Wimbledon champion’s comeback plus why Penelope Keith was rarer than rubiesThe week starts with Penelope Keith, sad news of whose death on Monday sends everyone over the age of 40 screeching back to her greatest hits – and they really were great, weren’t they? There are those sitcom characters from the late 1970s who have more or less faded from view – if I try really hard, I can just about summon the image of Wendy Craig and Geoffrey Palmer in Butterflies