Tungsten in Bone (IMAGE) McGill University Caption In mice exposed to tungsten in drinking water, the element accumulated in porous tissue near the end of bones (left). Using synchrotron-based X-ray absorption techniques, researchers produced an image (center) mapping the presence of tungsten in a form resembling the chemical catalyst phosphotungstate (P=phosphorus, W= tungsten, O=oxygen). Credit Cassidy VanderSchee Usage Restrictions One-time use only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.