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🚨RESEARCHERS FIND FISHY HEART FIX Scientists have used a zebrafish protein, Hmga1, to regenerate damaged mouse hearts, sparking hope for human heart repair. The protein reactivates dormant genes, triggering cell growth only in injured areas - no side effects, no overgrowth, just precision healing. Humans share the Hmga1 gene, but it’s inactive in adults. The discovery could unlock groundbreaking gene therapies to prevent heart failure after heart attacks. Regeneration isn’t just for fish anymore.