The experiment was about rats that have been dead not more than 18 hours, and what happened was that the scientists took the hearts from the rats and but them in a beaker, there they cleaned them with detergent and later on they injected new living cells from rats that were just borned. Finally, 8 days later the hearts started pumping again. This is very helpful, because instead of needing a new heart from another "rat" in this case, the rats could still have their own hearts and it will be easier that the body accepted it better than another heart from another "rat".
I think that if scientists try this out more times, it can be a way of saving many people's life, because it is giving a better way of having more opportunity of life if the heart of a person stops working, and it can have good results or maybe bad ones, but I think because of all the advantages that science is having today this can be possible and I agree with it, but before it is better to have different tests with different animals also, because maybe it can work with a rat, but a rat's body and system is different from all the other animal & human systems, so it just takes time and more testing to see what are the results.
Marcela Murillo Trujano
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