Researchers in California are planning to treat Alzheimer patients by replacing their blood with blood of young people. Even crazier, there is reason to believe it may work, since old mice have become healthier and more youthful when their circulatory systems carried the blood of younger mice. This, combined with the story of a jellyfish that can reverse its aging process when sick or injured, has Anthony and Jeff pondering the possibility of immortality. That, and the inevitable vampire grandpas who'll be stealing young blood to live forever.

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Articles: [http://www.newscientist.com/article/mg22329831.400-young-blood-to-be-used-in-ultimate-rejuvenation-trial.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Conline-news#.U\_kEAvmwLYh](http://www.newscientist.com/article/mg22329831.400-young-blood-to-be-used-in-ultimate-rejuvenation-trial.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Conline-news#.U_kEAvmwLYh)

[http://motherboard.vice.com/read/could-the-immortal-jellyfish-help-humans-live-forever](http://motherboard.vice.com/read/could-the-immortal-jellyfish-help-humans-live-forever)