Under the authority of the dean Prof Dr Amr Beltagi and the vice dean for the affairs of environment and community service, environment affairs and community service committee organizes a seminar entitled "Meteorites (sky stones): emerging, environmental impacts and economic importance" in which Prof Dr Mahamed Tharwat Salah Haikal, the professor of geology, Tanta University on Wednesday 20/3/2013 at 12 pm.