Hydras, simple fresh-water animals, have the ability to live forever if kept in ideal conditions, a recent study shows. The organisms are made mostly of stem cells that have the ability to continually divide, thus constantly renewing the body. “The differentiated cells of the tentacles and the foot are constantly being pushed off the body and replaced with new cells migrating from the body column,”... 

Hydra is a genus of small, simple, fresh-water animals that possess radial symmetry. Hydra are predatory animals belonging to the phylum Cnidaria and the class Hydrozoa. They can be found in most unpolluted fresh-water ponds, lakes, and streams in the temperate and tropical regions and can be found by gently sweeping a collecting net through weedy areas. They are multicellular organisms which are... 

Eternal life without sickness and old age – everyone dreams about it. But this kind of science fiction may eventually become real and it gets real already today. Science moves forward, and the ghostly idea of cryonics has already become a part of modern life. Leading expert of the Institute of Biology of Aging, biophysicist Igor Artyukhov told PRAVDA.Ru chief editor Inna Novikova about his struggle...