KYOTO UNIVERSITY IMAGE: WHEN X-RAYS ARE IRRADIATED ONTO TUMOR TISSUE CONTAINING IODINE-CARRYING NANOPARTICLES, THE IODINE RELEASES ELECTRONS THAT BREAK DNA AND KILL THE CANCER CELLS. CREDIT: MINDY TAKAMIYA/KYOTO UNIVERSITY ICEMS Cancer cell death is triggered within three days when X-rays are shone onto tumor tissue containing iodine-carrying nanoparticles. The iodine releases electrons that break the...