Tiny human hearts grown in pig embryos for the first time

Nature, Published online: 13 June 2025; doi:10.1038/d41586-025-01854-xThe hearts started to beat in the pig–human hybrids, which survived for 21 days.

Jun 13, 2025 - 15:16
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Tiny human hearts grown in pig embryos for the first time

Nature, Published online: 13 June 2025; doi:10.1038/d41586-025-01854-xThe hearts started to beat in the pig–human hybrids, which survived for 21 days.