The Zika virus played the role of 2016’s worst health story. At the centre of that story was the virus’ heartbreaking link to microcephalic babies when it infected their pregnant mothers. But sometimes, the worst vectors can still be used for good.
Glioblastoma is one of the most aggressive and deadly forms of brain cancer. Nausea-inducing chemotherapy can prolong life by a few months, but there’s another gentler though funnier-looking treatment: a cap that literally zaps the tumour away.