marie curie discovered radioactivity a finding used to diagnose and treat cancer. alexander fleming discovered penicillin while experimenting with the influenza virus and other prize winning research has helped launch a new era of tissue engineering. for 10 long years concords could hardly go out for a walk he was suffering from cardiac insufficiency which is also known as heart failure and was in mortal danger. my heart was so badly damaged that i couldn't even go for a stroll without stopping all but. his condition kept deteriorating eventually any exertion lead to severe shortness of breath and a tightness in the chest he needed a new heart finally a donor organ was found. i've been given a new lease on life. it's an incredible feeling. he's had his new heart for 5 years now he was very lucky and he knows it many others wait in vain. professor who is working on healing broken hearts before a transplant becomes necessary with the help of bioengineered new heart cells she's part of a multidisciplinary team at hanover medical school. they've managed to grow cardiac