Organ Transplants

There's been an exciting, new breakthrough in the world of organ transplants.

Researchers in South Africa have frozen the heart of a rat, and then restarted it.

They did it by freezing the heart in liquid nitrogen at minus 350 degrees farenheit, and then thawing it out.

They succeeded where others have failed by developing a Cryo-protectant that protects individual cells in the heart from being destroyed during the freezing process.

Of 100 frozen rat hearts, they successfully restarted 75.

The researchers expect to expand their research to humans within two to five years.

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