The federal government is failing to test new technology which is being used in sunscreens, cosmetics and food additives, but could be dangerous writes Arius Tolstoshev. 'Nanomaterials' – new materials produced by manipulating matter at the scale of atoms and molecules – show amazing new properties, but Australia has no system for identifying potentially dangerous side-effects. This report points to scientific research which has shown that some nanomaterials can cause brain damage associated with Alzheimer’s disease, inflammation in the lungs, and damage to heart tissue and the liver