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Lab-engineered jellyfish may mend a broken heart

Using cells from rat hearts and a seer polymer film, scientists reported they had created an artificial jellyfish that could one day help save patients with heart disease. The exploit marks an advance in so-called biomimicry, in which a natural wonder inspires copycat innovation in the lab. The interest in…

Stem cells can be harvested long after death: study

PARIS — Some stem cells can lay dormant for more than two weeks in a dead person and then be revived to divide into new, functioning cells, scientists in France said Tuesday. The research, published in the journal Nature Communications, unlocks further knowledge about the versatility of these cells, touted…