Could this immortal hydra polyp inspire advanced rejuvenation therapies for humans?

A tiny freshwater polyp called the hydra has a rather neat trick: It can't die. These polyps are able to accomplish this remarkable feat of apparent immorality by reproducing through budding rather than mating. But as geneticists from Kiel University in Germany recently discovered, the same longevity gene that makes… »11/14/12 5:30pm11/14/12 5:30pm