Scientists at the University of Sydney and Liverpool School of Tropical Medicine - LSTM have discovered a commonly used blood thinner, heparin, can be repurposed as an inexpensive antidote for cobra venom. Cobras kill thousands of people a year worldwide and up to a hundred thousand more are seriously injured. Current antivenom treatment is expensive and does not effectively treat the necrosis of the flesh where the bite occurs. The team are using CRISPR gene-editing technology to identify ways