Glowing dye helps see hidden prostate cancer cells Health Previous Article O-type blood donors needed after London cyber-attack Next Article Tick attack: BBC hunts for tiny bloodsuckers as diseases rise The dye makes cancer cells which are invisible to the naked eye show up so they can be removed....Read more https://www.bbc.com/news/articles/ck77k80nlwro Previous Article O-type blood donors needed after London cyber-attack Next Article Tick attack: BBC hunts for tiny bloodsuckers as diseases rise