Medusa Turritopsis nutricula - the only immortal creature on Earth

Jellyfish recognized only immortal beings on Earth. Hydroids Turritopsis nutricula, having a diameter of only 4-5 mm, - a unique animal that is able to rejuvenate itself, so says the newspaper «The Times».

Usually, jellyfish die after breeding, but Turritopsis able to come back from "adult" stage of jellyfish to the "child" of the polyp stage. Theoretically, this cycle is able to be repeated ad infinitum, making this a potentially immortal creature. Turritopsis nutricula found in warm tropical waters, but scientists suspect that this type of spreading to other regions.

Jellyfish and hydra long ago came to the attention of biologists and geneticists who are hoping to use these creatures to unlock the secrets of aging. The theory of "biological immortality" hydra was launched in the XIX century, and in the late 1990s, it has been experimentally proved that the hydra do not die due to aging.

via factroom.ru