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Annual Report 2012 | Forschungszentrum Jülich 1111 Successful Mission for Climate Research 23 July 2012 | The Zeppelin NT lands in Friedrichshafen having measured air quality above the Netherlands and the Mediterranean for around seven weeks. Forschungszentrum Jülich coordinated the measurement campaigns, which were part of the EU project PEGASOS. The scientists were able to collect plenty of high-quality data that promise new findings on the process of particle formation and the self-purification of the atmosphere. Tracking Down Brain Metastases 7 August 2012 | Malignant tumours such as lung or breast carcinoma often cause metastases to form in the brain. When these metastases are treated by radiotherapy, the radiation may lead to changes in the tissue. Scientists from Jülich, Aachen, and Cologne publish a patient study on this topic in the Journal of Nuclear Medicine. It shows that the radiation damage can be distinguished from new metasta- ses using the FET-PET method for diagnosis. Force Meter for Molecules 16 August 2012 | In the journal Physical Review Letters, Jülich scientists present an experimental method of deter- mining the minute adhesive force of individual molecules on a surface using an atomic force microscope. They were able to precisely determine the contributions of the van der Waals forces and other types of bonds. Biologically Active Without Water 2 August 2012 | Proteins are tiny biological machines that catalyse processes in cells or lend support to tissue. The journal JACS publishes the results of an international team of researchers that demonstrated, partly with Jülich instru- ments at neutron sources, why proteins with a polymer shell also function without water. These proteins move in a similar manner to proteins covered by a layer of water. Annual Report 2012 | Forschungszentrum Jülich