Iran is blessed with a history of 7000 years. For anyone wishing to travel & explore the history of Asia, Iran is the place to travel & visit as it bears marks of almost all important historical events, from the rise of the Medians and Achaemenids to the Arab conquest of the region. The years along the ups and downs of the history have seen this country grow to a vastness of 5.5 million square kilometers under the Achaemenids, and shrink to the present size. Every city in Iran comes a long way down the line of history and has a story to tell. Today there are 23 registered UNESCO World Heritage Sites in Iran, from bazaars to palaces, temples and mosques, as well as natural heritages.
Glaucoma is a common eye condition where the optic nerve becomes damaged. It usually occurs as a result of fluid building up in the front part of the eye, which increases pressure inside the eye. If the condition is left untreated or not treated early enough it can lead to loss of vision.
Manchester United manager Jose Mourinho suffered the heaviest home defeat of his coaching career as Tottenham Hotspur won 3-0 at Old Trafford on Monday to deepen an early-season crisis for the Red Devils.
The remarkable strength of ionic crystals is easily explained at the atomic scale: Positively and negatively charged atoms sit side by side in a periodic arrangement that repeats countless times. The strong electrostatic force in between keeps them together.