Rey, Iran Rey, Iran Rey or Ray (; , Šahr-e Rey, “City of Ray”), also known as Rhages (; , or Europos (Ευρωπός) "Rhagai"; or "Rhaganae") and formerly as Arsacia, is the capital of Rey County in Tehran Province of Iran, and the oldest existing city in the province. Ray today has been absorbed into the Greater Tehran metropolitan area. Ray is connected via the Tehran Metro to the rest of Tehran and has many industries and factories in operation. Limited excavations of what was not bulldozed began in 1997 in collaboration with the Iranian Cultural Heritage and Tourism Organization (ICHTO), the
Human capital flight from Iran been topping this list for some time. According to the Iranian Ministry of Culture and Higher Education, there are approximately 50,000 Iranian students currently studying abroad. In recent years several measures have been taken to slow down the brain drain by providing work and research facilities for academics and highly skilled workers. In February 2003, the Iran National Science Foundation, was established to promote science and technology in Iran and benefit the welfare of those engaged in research. Another institution founded to deal with the welfare of Iranians in Iran working in the sciences and technology is Iran National Geniuses