Aharonian, F.: Recent results from HESS. Astrophysics Colloquium, MIT, Cambridge, USA (2007)

Aharonian, F.: Very high energy gamma ray sources. Astronomy Colloquium, Leiden Observatory, Leiden, Holland (2007)

Krätschmer, W.: Discovery and Synthesis of C₆₀: An Adventure in Science. International Mini-symposium on Advanced Chemistry and Chemical Education, Sapporo, Japan (2007)

Krätschmer, W.: Discovery and Synthesis of C₆₀: An Adventure in Science. Joint Symposium on "Initiatives for Attractive Education in Graduate Schools of Physics and Chemistry" and "Application of Advanced Analytical Techniques to Chemical Substances", Tokyo, Japan (2007)

Krätschmer, W.: Spectroscopy of Carbon Chain Molecules in Cryogenic Matrices. Joint Symposium on "Initiatives for Attractive Education in Graduate Schools of Physics and Chemistry" and "Application of Advanced Analytical Techniques to Chemical Substances", Tokyo, Japan (2007)

Aharonian, F.: Astrophysical Implications of Very High Energy Gamma-Ray Observations with HESS. Astronomy Colloquium, Max-Planck Institut für Radioastronomy, Bonn, Germany (2007)

Tuffs, R. J.: Normal Galaxies. ISO Legacy Colloquium, Villafranca, Madrid, Spain (2006)

Kirk, J.: SSC models of high brightness temperature radio sources. 5th Stromlo Symposium, Mt Stromlo Observatory, Canberra, Australia (2006)

Kirk, J.: Pulsar Winds. Colloquium, C.E.A. Saclay, Gif-sur-Yvette, France (2006)

Kirk, J.: High energy emission from Pulsars. Colloquium, International School for Advanced Studies (SISSA), Trieste, Italy (2006)

Popescu, C. C.: The dusty and evolving Universe. Colloquium of the University of Central Lancashire, Preston, UK (2006)

Popescu, C. C.: The key role of far-infrared astronomy in determining the physical properties of galaxies through cosmic time. International Conference "50 years of Romanian Astrophysics", Bucharest, Romania (2006)

Tsang, O.: The brightness temperature problem and the spectral implications of a low energy electron cut-off. Colloquium du Centre d'Etude Spatiale des Rayonnements, Toulouse, France (2006)

Kirk, J. G.: Particle Acceleration at relativistic shocks. The nonthermal universe, Wuerzburg, Germany (2006)

Schoenert, S.: The Germanium Detector Array (GERDA) for the Search of neutrinoless double beta decay in Ge-76. 372 WE-Heraeuns Seminar Massive Neutrinos, Bad Honnef, Germany (2006)

Aharonian, F.: Galactic gamma-ray sources at VHE energies. International Conference on "The Multi-Messenger Approach to High Energy Gamma-ray Soruces", Barcelona, Spain (2006)

Kirk, J.: Dissipation and magnetic field generation in relativistic flows. Challenges of relativistic jets, Cracow, Polen (2006)

Aharonian, F.: Galactic Sources of High Energy Neutrinos. XXII International Conference on "Neutrino Physics and Astrophysics", Santa Fe, New Mexico, USA (2006)

Schoenert, S.: New Techniques in Oββv Germanium Experiments. XXII International Conference on Neutrino Physics and Astrophysics, Santa Fe, New Mexico, USA (2006)

Schoenert, S.: The Germanium Detector Array GERDA for the search of neutrinoless double beta decays of Ge-76 at LNGS. Graduiertenkolleg Eichtheorien - Experimentelle Tests und theoretische Grundlagen, Mainz, Germany (2006)