technology update identifying external threat there is one thing but no profession is more to gain by piri beneath the surface than medicine with each new advance scientists are leveling the playing field against seemingly unseeable foes since we can really only observe the consequences or symptoms of most illnesses doctors have always had to rely on reading between the lines they can often only narrow in on our ailments by process of elimination but on the back of many giant leaps forward in the past century m.d.'s now have a greater arsenal at their disposal. for example they can bombard our bodies with harmless ultrasonic waves showing the image in real time. pregnancies as well as blood flow there are radioactive isotopes doctors to target specific organs often to check for cancer magnetic fields have also been mastered to keep an eye on soft tissues like the brain injured tendons but the granddaddy of them. which has been giving doctors a glimpse. for more than one hundred years. discovered by accident has highlighted how gaining new insight into what was previously out of reach. the

today's news and of the week's top stories of piri rages on in northern. council's decision to remove the union flag from city hall for most of the year. the world community mourns the death of a prominent defender of internet freedom with his relatives in the u.s. . france. campaign to push out. from northern mali while additional support is confirmed from the united states britain and other european countries. yes we can't. promise to close guantanamo bay prison continues to go on with the detention facility. with over one hundred sixty captives still being held without trial. certainly glad to have you with us now fierce clashes in belfast between loyalists and nationalists on saturday once again ended in the street battles leaving twenty nine policemen injured the outrage was sparked six weeks ago by belfast council's decision to reduce the number of days the union flag flies over city hall the latest violence broke out after about a thousand unionists marching on city hall were attacked by locals in a predominantly catholic area police fired water can