Kai Kupferschmidt is a science journalist based in Berlin, Germany. He is a contributing correspondent for "Science", where he often covers infectious diseases but also writes about a range of issues including biotechnology, drug development and science policy. Kai has written for numerous German publications including Süddeutsche Zeitung and Die Zeit. He has also written two books, one about infectious diseases and one about the science of the color blue, which was published this autumn.