Experiments performed at the Paul Scherrer Institute (PSI) reveal that a zone of higher water concentration exists around the roots of a plant.

VILLIGEN, Switzerland, March 29, 2011 /PRNewswire/ -- The Paul Scherrer Institute (PSI) in Switzerland and Elekta are collaborating to further develop treatment planning and oncology information systems (OIS) for proton therapy, a form of external beam radiation that uses protons instead of X-rays or electrons to treat certain types of cancer and other diseases.

LITTLETON, Mass., Oct. 26 /PRNewswire/ -- Still River Systems' groundbreaking proton therapy system is entering the final phase of installation at the Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine in St.

An international team measures the charge radius of the hydrogen nucleus and stumbles across some mysteries of physics.

LITTLETON, Mass., May 14 /PRNewswire/ -- Still River Systems, Inc. announces successful clinical beam extraction from the first production unit of the world's smallest high-energy proton therapy accelerator.