You don’t really know an urban landscape until you’ve visited all of it on foot – from slums to beauty spots. Just ask the thousands of ‘every-single-streeters’
From vacuum cleaners to menstruation, the Ivory Coast artist and activist creates incredible sculptures with her hair to tackle taboos. She talks about how learning to love her natural hair taught her to love being a black woman – and western criticism of her work
Remember flu? Despite lockdowns holding it at bay, a small group of scientists is searching the globe for deadly new strains – and to work out what to put in next winter’s vaccines