Since it is capable of cycling from a mature adult stage to an immature polyp stage and back again, there may be no natural limit to its life span. Scientists say the hydrozoan jellyfish is the only known animal that can repeatedly turn back the hands of time and revert to its polyp state (its first stage of life).
The key lies in a process called transdifferentiation, where one type of cell is transformed into another type of cell. Some animals can undergo limited transdifferentiation and regenerate organs, such as salamanders, which can regrow limbs. Turritopsi nutricula, on the other hand, can regenerate its entire body over and over again. Researchers are studying the jellyfish to discover how it is able to reverse its aging process.
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Showing posts with label Animals. Show all posts
Showing posts with label Animals. Show all posts
Saturday, May 14, 2011
The turritopsis nutricula species of jellyfish may be the only animal in the world to have truly discovered the fountain of youth.
Friday, May 13, 2011
Best Picture On Internet 2008 | The Best Animal Photos | Pecture of the Year
0 comments Posted by pece at 9:16 PM
Friday, April 8, 2011
Watusi Cow with Largest Horns
The Canadian Government had opened the seal haunting season, allowing hunters to kill up to 275,000 young harp seals on the ice floes off Eastern Canada, 5000 more than 2007 despite their earlier promises of reducing this number.
Once more a gallery from Reuters perfectly describes what's happening:
Once more a gallery from Reuters perfectly describes what's happening:
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