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Do Transplanted Hearts Assume the Age of Their New Host?

Experiments in humans and mice suggest a way to make more organs available for transplant, but may squash a theory of rejuvenation The post Do Transplanted Hearts Assume the Age of Their New Host? appeared first on Nautilus .

Do Transplanted Hearts Assume the Age of Their New Host?

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Across six cultures, children step in when peers need help

A new study by an international research team provides the first systematic, cross-cultural comparison of how children help their peers. While previous research has mainly focused on how children help adults, often within the family, peer interactions play an equally important but far less studied role in children's social lives across…

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