Some talks:

2009

• Dark Matter: Candidates and Experimental Anomalies, U Oslo.

2008

• Top-Down Models and UHECRs, review at Rencontres de Blois.
• Multi-Messenger Astronomy with Cen A?, seminar at APC, Paris and Universite Libre de Bruxelles.

2007

• The Future of Ultrahigh Energy Cosmic Ray Physics, review at the 2nd conference "Colliders to Cosmic Rays 2007", Lake Tahoe.
• Introduction to High Energy Cosmic Rays, lectures notes for the 17th Jyväskylä Summer School.

2006

• Multi-Messenger Astronomy, review at the 3rd ENTApP meeting, Paris.
• Dark Matter in the Universe, review at WE Heraeus seminar "Massive Neutrinos", Bad Honnef.
• Anisotropies of High Energy Cosmic Rays, talk at CRIS '06, Catania and MPI München.
• Astrophysics of High Energy Cosmic Rays, colloquium at U Oslo.

2005

• Astrophysics and Particle Physics with Cosmic Neutrinos , colloquia at U Hamburg, TU München,...
• Neutrinos in Astrophysics and Cosmology, review at ISS-NuFact meeting, CERN.
• Dark Matter, review at VIDMAN meeting, Tübingen.
  
• Ultra-High Energy Cosmic Rays, review at the Baksan School, Russia.