Aral Sea fate. Since the disappearance of the Southeast Aral in 2008, Vozrozhdeniya effectively no longer exists as a distinct geographical feature. The area is now shared by Kazakhstan and Uzbekistan. In 1948, a top-secret Soviet bioweapons laboratory was established on the island, in the centre of the Aral Sea which is now disputed territory between Kazakhstan and Uzbekistan. The exact history, functions and current status of this facility are still unclear, but bio-agents tested there included "Bacillus anthracis", "Coxiella burnetii", "Francisella tularensis", "Brucella suis", "Rickettsia prowazekii", "Variola major" (smallpox), "Yersinia pestis", botulinum toxin, and Venezuelan equine encephalitis virus. In 1971, weaponized
Science and technology in Uzbekistan field of science and gender, 2013 or closest year Source: "UNESCO Science Report: towards 2030" (2015), Table 14.1 Since 2012, Uzbekistan has ceded its lead to Kazakhstan for the number of published scientific articles, according to Thomson Reuters’ Web of Science, Science Citation Index Expanded. Even taking population into account, Kazakhstan’s output is now much higher than that of its neighbour, with 36 articles per million inhabitants, compared to 11 for Uzbekistan. The majority of scientific papers focus on physics (35%) and chemistry (21%), a pattern also found in Kazakhstan. Since 2006, the rate of international collaboration has remained steady,