Little Biology: Why can’t I regrow my arm?
Big Biology
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The Cost of Regeneration
A study found that diet supplementation could induce limb regeneration. Moon jellyfish regenerated limbs more frequently when they were supplemented with an amino acid and insulin. If we can reprogram adult somatic cells into embryonic-like stem cells, then we might be able to artificially regrow limbs. But even just one of those hurdles is super high.
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