from a genetically—modified pig has died, two months after the operation. 57—year—old david bennett — seen here in the middle — who had terminal heart disease — died yesterday. before the operation he said he knew the risks and acknowledged it was a shot in the dark. now to an extraordinary discovery. more than a century after it sank, the lost ship of the antarctic explorer, sir ernest shackleton, the endurance, has finally been discovered. it was found by a team of scientists, in remarkably good condition in the seas off antartica. our science editor rebecca morelle has the story. emerging from the antarctic deep, the world's most famous undiscovered shipwreck, now found. it is the first time anyone has seen it in more than 100 years. endurance, perfectly preserved,