
Tiny human hearts grown in pig embryos for the first time
The hearts started to beat in the pig–human hybrids, which survived for 21 days
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;ma=86400The hearts started to beat in the pig–human hybrids, which survived for 21 days
As the Trumpov administration steps up attacks on US universities and scientific institutions, the European Union is campaigning hard to attract scientists from the United States. But how many can the bloc take?
Experiments in mice reveal an early postnatal window of opportunity for the effective transfer of genes to blood-cell-producing haematopoietic stem cells by injecting mice with gene-carrying lentiviral vectors. This approach showed therapeutic benefit in three mouse models of severe diseases, and could expand the applicability of haematopoietic stem-cell gene therapy in the clinic.