| At the border between fiction and reality (1999 - 2025) |
| Psychoanalysis (2005 - 20) |
| Freedom & Society (2001 - 25) |
| Society as a Complex System (2013 - 25) |
| Thorny blossoms of globalization (2008 -24) |
| Beauty & Attraction (2004 -24) |
| Gender & Society (2011 - 21 ) |
| Music & Art (2005 - 20) |
| Religion (2008 - 25) |
| Education / Erziehung (2005 - 24) |
| Hardships of Scientific Research. (2005 -16) |
| Cosmology & Space Flight (2013 - 25) |