The pigs had been mendacity lifeless within the lab for an hour — no blood was circulating of their our bodies, their hearts have been nonetheless, their mind waves flat. Then a gaggle of Yale scientists pumped a custom-made answer into the lifeless pigs’ our bodies with a tool much like a heart-lung machine. From a report: What occurred subsequent provides inquiries to what science considers the wall between life and dying. Though the pigs weren’t thought-about acutely aware in any manner, their seemingly lifeless cells revived. Their hearts started to beat as the answer, which the scientists known as OrganEx, circulated in veins and arteries. Cells of their organs, together with the center, liver, kidneys and mind, have been functioning once more, and the animals by no means acquired stiff like a typical lifeless pig. Different pigs, lifeless for an hour, have been handled with ECMO, a machine that pumped blood via their our bodies. They grew to become stiff, their organs swelled and have become broken, their blood vessels collapsed, they usually had purple spots on their backs the place blood pooled. The group reported its outcomes Wednesday in Nature. The researchers say their objectives are to sooner or later enhance the availability of human organs for transplant by permitting docs to acquire viable organs lengthy after dying. And, they are saying, they hope their know-how may also be used to forestall extreme injury to hearts after a devastating coronary heart assault or brains after a significant stroke.