Six days after a Germanwings plane crashed in the French Alps killing all 150 people on board and the search for human remains is making slow progress. <br /><br /> An access road is being built to the remote site so that larger pieces of wreckage too heavy to be carried by helicopters can be removed.<br /><br /> Meanwhile forensic scientists say they have identified 78 different DNA strands but have denied recovering body parts of the co-pilot Andreas Lubitz.<br /><br /> Investigators are keen to discover if Lubitz had been on any medication when, as the cockpit voice recorder suggests, he crashed the plane deliberately.<br /><br /> They are also trying to build up a picture of the 27-year-old whom it has been suggested had in the past suffered from depression although his employers Lufthansa have said they were unaware of any illness affecting Lubitz.<br /><br /> The German newspaper Bild has published a transcript of the final minutes of the flight as caught on the flight recorder.<br /><br /> Such information has drawn criticism from the G
