Renowned scientist and former HEC chairman Dr Attaur Rehman will give a talk on `Building a knowledge-based economy` on Wednesday, September 2 at the HEC Auditorium, Sector H-9, at 2pm.

Seminar The Institute of Strategic Studies, Islamabad in collaboration with the Department of International Relations, National Defence University (NDU) is organising a one-day seminar on `National Unity: A Critical Factor in National Security` on Tuesday, September 8 at the ISSI office, Sector F-5/2, at 9am.