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Bangladesh's cricketers won their country its first-ever gold medal in the Asian Games by beating Afghanistan in a thrilling final in Guangzhou. In a see-saw match that attracted a crowd of 2000, 19-year-old Shabbir Rahman smashed two sixes in the penultimate over to decisively swing the match Bangladesh's way and dash Afghan hopes of a gold. A day after upsetting fancied Pakistan in the semi-finals, Afghanistan looked set for a hammering when they slid to 66 for 6 in the 13th over on choosing to bat. Youngsters Asghar Stanikzai (38*) and Shabir Noori (25) then gave Afghanistan's chances a boost with a stabilising stand that left Bangladesh needing 120 for victory. Ashraful bold out Bangladesh almost made a mess of what should have been a straightforward chase, losing five wickets, including that of their experienced captain Mohammad Ashraful, for 75. Afghanistan were scenting another famous win but w...

Electricity is a part and parcel of modern life.we cann't da a single day without it.The history of Electricity is store of scientist.... History: Electricity (from the New Latin ēlectricus, "amber-like", from the Greek ήλεκτρον (electron) meaning amber) is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning and static electricity, but in addition, less familiar concepts, such as the electromagnetic field and electromagnetic induction. Long before any knowledge of electricity existed people were aware of shocks from electric fish. Ancient Egyptian texts dating from 2750 BC referred to these fish as the "Thunderer of the Nile", and described them as the "protectors" of all other fish. Electric fish were again reported millennia later by ancient Greek, Roman and Arabic naturalists and physicians. Several ancient writers, such as Pli...

Ian Fleming's fictional and well-travelled spy James Bond harboured some odd prejudices against the US, but the post-war high life was right up his street. There must have been a time when the business of business travel in the United States was a pleasure. But whenever it was, it is not now. You are these days downtrodden more than you are upgraded. You are squashed into your seat on the plane beside someone who makes Hardy look like Laurel, so you feel like you are sharing a ski-lift with a rhinoceros. Purchase a snack and you get thin, miserable slices of salami, as cold and hard as the pennies off the eyes of a corpse. Now, there was a time when it was not like this - when your linen napkins were snowy of fold and your flight attendants dewy of eye. Your oeufs a la neige had just enough neige. Austerity to indulgence In this lost universe of comfort, the greatest business traveller of them all was James Bond. I found myself re-reading the Bond books as I boxed th...

Gravitation is one of the four fundamental interactions of nature, along with the strong force, electromagnetism and the weak force. Modern physics describes gravitation using the general theory of relativity, in which gravitation is a consequence of the curvature of spacetime which governs the motion of inertial objects. The simpler Newton's law of universal gravitation provides an accurate approximation for most calculations. Scientific revolution Modern work on gravitational theory began with the work of Galileo Galilei in the late 16th and early 17th centuries. In his famous (though possibly apocryphal) experiment dropping balls from the Tower of Pisa, and later with careful measurements of balls rolling down inclines, Galileo showed that gravitation accelerates all objects at the same rate. This was a major departure from Aristotle's belief that heavier objects accelerate faster. Galileo correctly postulated air resistance as the reason that lighter objects may fall mor...

These complex questions can be answered with one very short word, cells! The human body is made up of approximately 100 trillion (100, 000, 000, 000, 000) cells! Keep in mind, this figure is just an estimate. At this time, there really is no way to know the exact number of cells in a human body. Can you imagine trying to count them all? Plus, the number will vary from person to person, depending on their size. The number of cells in your own body is constantly changing, as cells die or are destroyed and new ones are formed. Think about when you scrape your knee. Cells are lost and then reproduced during the healing process. The cell is the functional basic unit of life. It was discovered by Robert Hooke and is the functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing, and is often called the building block of life.Some organisms, such as most bacteria, are unicellular (consist of a single cell). Other organisms, su...

Leaders of the G20 group of major economies are holding a second day of difficult talks in the South Korea capital, Seoul. Tensions are high between some delegations over how to correct distortions in currency and trade. Some fear the conflict - primarily between the United States and China - may threaten global growth. However, a US official voiced optimism the summit would back a declaration addressing global economic imbalances. The US official, who was speaking on condition of anonymity, also said that China was acting to address Washington's concerns about its currency. "I thing that if you look past some of the heat you've seen recently and you look at what's happening in our very important relationship with China, I'm very encouraged by the progress we've seen," the official said British sources say that officials from the UK, France and Russia had to be called in the early hours of this morning after "fractious" negotiations be...

Human immunodeficiency virus (HIV) is a kind of virus which can causes acquired immunodeficiency syndrome (AIDS),a condition in humans in which the immune system begins to fail, leading to life-threatening opportunistic infections. Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejaculate, or breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells. The four major routes of transmission are unsafe sex, contaminated needles, breast milk, and transmission from an infected mother to her baby at birth (perinatal transmission). Screening of blood products for HIV has largely eliminated transmission through blood transfusions or infected blood products in the developed world.   HIV infection in humans is considered pandemic by the World Health Organization (WHO). Nevertheless, complacency about HIV may play a key role in HIV risk.From its discovery in 1981 to 2006, AIDS killed more than ...

Hydrocarbon is a elements of organic chemistry.In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons from which one hydrogen atom has been removed are functional groups, called hydrocarbyls. Aromatic hydrocarbons (arenes), alkanes, alkenes, cycloalkanes and alkyne-based compounds are different types of hydrocarbons.The majority of hydrocarbons found naturally occur in crude oil, where decomposed organic matter provides an abundance of carbon and hydrogen which, when bonded, can catenate to form seemingly limitless chains. General properties Because of differences in molecular structure, the empirical formula remains different between hydrocarbons; in linear, or "straight-run" alkanes, alkenes and alkynes, the amount of bonded hydrogen lessens in alkenes and alkynes due to the "self-bonding" or catenation of carbon preventing entire saturation of the hydrocarbon by the formation of double or triple b...

The Iraqi parliament is due to meet after a reported breakthrough in negotiations to form a new government. Negotiations have been in deadlock since elections in March. MPs said a deal was reached to keep Nouri Maliki as prime minister after he gained the support of the Sunni coalition led by former PM Iyad Allawi. The agreement is said to provide checks and balances against the abuse of power by any one group. The US said the reported deal was a "big step forward". One by one, smaller factions gradually fell into line, with Mr Maliki's opponents saying that Iran was playing a major persuasive role behind the scenes. But the question remained, how to bring on board the alliance headed by Mr Allawi, which won the bulk of the Sunni vote. Everybody agrees they should be involved because marginalisation of the Sunnis was seen as a major factor driving the insurgency. Now the deal appears to be that while Mr Maliki keeps the job as prime minister, Mr Allawi's...

The tige r is the largest cat species, reaching a total body length of up to 3.3 metres and weighing up to 306 kg.It's now an appeal to extinct. Only fewer than 3,500 tigers are estimated to remain in the wild yet the illegal trade continues, the study warns Traffic International, a wildlife trade monitoring network, found that skins, bones and claws were among the most common items seized by officials. The trade continues unabated despite efforts to protect the cats, it warns.Over the past century, tiger numbers have fallen from about 100,000 individuals to just an estimated 3,500. The study, which used data from 11 of the 13 countries that are home to populations of Panthera tigris, estimated that between 1,069 and 1,220 tigers were killed to supply the illicit demand for tiger parts.   Poaching pressures' Since October 1987, tigers have been listed as an Appendix I species (threatened with extinction) under the Convention on International Trade in En...

Probably everyone alive has ever heard about the world’s most dramatic ruins, the Machu Picchu. Machu Picchu is a city located high in the Andes Mountains in modern Peru. It lies 43 miles northwest of Cuzco at the top of a ridge, hiding it from the Urabamba gorge below. The ridge is between a block of highland and the massive Huaynac Picchu, around which the Urubamba River takes a sharp bend. The surrounding area is covered in dense bush, some of it covering Pre-Colombian cultivation terraces. History of the lost city of the Incas Machu Picchu Machu Picchu was built around 1450, at the height of the Inca Empire.It was abandoned just over 100 years later, in 1572, as a belated result of the Spanish Conquest.It is likely that most of its inhabitants died from smallpox introduced by travelers before the Spanish conquistadores arrived in the area.[citation needed] The latter had notes of a place called Piccho, although there is no record of the Spanish having visited the remo...

Finally Qantas Airways' fleet of Airbus A380 aircraft will remain grounded for at least 72 more hours, the Australian airline's CEO said Monday afternoon. The planes will not return to service until the airline is "100 percent sure" about their safety, CEO Alan Joyce said at a news conference. Oil leaks have been discovered in engines on three planes, and investigations continue, Joyce added. The leaks were beyond normal tolerances, he said. The engines have been removed from the planes and are being examined by Rolls-Royce, which manufactured them, Joyce added.Last Thursday, a Qantas flight was forced to return to Singapore's Changi Airport shortly after takeoff, because the engine's covering, or cowling, tore off above the western Indonesian island of Batam. The Australia-bound flight was carrying 440 passengers and 26 crew members. The grounding of Qantas's A380 fleet had temporarily stranded 500 passengers in Los Angeles, California, Qantas sai...

Pope Benedict XVI defended religion from critics Sunday as he dedicated the Sagrada Familia church, a still-unfinished emblem of the Spanish city of Barcelona. "This is the great task before us: to show everyone that God is a God of peace not of violence, of freedom not of coercion, of harmony not of discord," he said. And he pushed back against what he sees as increasing secularism in the world, saying, "I consider that the dedication of this church of the Sagrada Familia is an event of great importance, at a time in which man claims to be able to build his life without God, as if God had nothing to say to him." He also defended the traditional family, after Spain's Socialist government legalized same-sex marriage. "The generous and indissoluble love of a man and a woman is the effective context and foundation of human life in its gestation, birth, growth and natural end," he said. Spain's King Juan Carlos and Queen Sofia were in the ful...

History of medicine is discribing here here. This is not same to Medical history.This is different from Medical history. All human societies have medical beliefs that provide explanations for birth, death, and disease. Throughout history, illness has been attributed to witchcraft, demons, adverse astral influence, or the will of the gods. These ideas still retain some power, with faith healing and shrines still used in some places, although the rise of scientific medicine over the past millennium has altered or replaced mysticism in most cases. Medicine was revolutionized in the 19th century and beyond by advances in chemistry and laboratory techniques and equipment, old ideas of infectious disease epidemiology were replaced with bacteriology and virology. Bacteria and microorganisms were first observed with a microscope by Antonie van Leeuwenhoek in 1676, initiating the scientific field microbiology. Ignaz Semmelweis (1818–1865) in 1847 dramatically reduced the death rate of...