Dec 3, 2013 — The finding adds more confusion to the case, because two other teams — Swiss and Russian — came to different conclusions.
Nov 6, 2013 — Swiss scientists have been studying samples taken from the former Palestinian leader's remains. He died in 2004 at the age of 75.
Jul 5, 2012 — Al-Jazeera has rekindled conspiracy theories about the Palestinian leader's 2004 death. But its investigation has also raised questions.