An experimental method that can kill up to 95 per cent of cancer cells in two hours may tremendously help people with inoperable or hard-to-reach tumours as well as young children stricken with cancer a study suggests. The newly patented method to kill cancer cells has been developed by Matthew Gdovin Associate Professor at University of Texas at San Antonio. The new treatment involves injecting a chemical compound nitrobenzaldehyde into the tumour and allowing it to diffuse into the tissue. He then aims a beam of light at the tissue causing the cells to become very acidic inside and essentially