The Regenerator

If a hydra breaks in two, each half of the ageless sea creature grows into a fully formed organism. Planarian worms, axolotls, sea stars, and certain geckos regrow lost body parts as well, but this select club excludes humans and other mammals. People can regenerate small pieces of tissue, but lost limbs are gone forever.

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Philanthropy Accelerates Research into the Microbiome

Behind almost every discovery, there is a team. Breakthroughs grow out of scientific collaborations among extraordinary investigators. And another type of partnership can drive new knowledge: backing from generous supporters. Such is the case for Sarkis Mazmanian, the Luis B. and Nelly Soux Professor of Microbiology and a Heritage Medical Research Institute Investigator at Caltech.

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