Professor Jean-Jacques Muyembe is a scientific icon in DR Congo. He’s also an inspiration for the next generation of Congolese biologists. Also across Africa, more than 30% of harvests are lost pests and disease. A team of Ghanaian engineers are coming up with new ways to identify risks early. And Gambian rising star Maryama Cham is carving a path for herself in an industry largely dominated by men.