The Conference of "The Scientific Signs of the Holy Quran and the Prophet's Sunnah" held here on Saturday two sessions under the chairmanship of the Director of Islamic Propagation Center in Latin America Sheikh Ahmed Ali Al-Saifi and Egyptian Ambassador to Brazil Dr. Ahmed Darwish. Seven working papers on the scientific signs in the Holy Quran and Prophet's Sunnah were presented in the two sessions. An exhibition was held on the sidelines of the conference, showing illustrative paintings of scientific signs in the Holy Quran and Prophet's Sunnah.