New technique grows vein safe for transplants that don't clog
                                
                                
                                    (Newser) -
                                    Scientists have devised a new method of growing blood vessels—safe for transplanting into anyone, or for storage for up to a year—that could revolutionize heart surgery, reports the  Telegraph . To create the veins, random donor cells are placed on a biodegradable scaffold, where they grow collagen; the original...