For years, the baboons rejected the pig hearts, but recent findings show that there is hope in this technology. A baboon lived for more than two years without rejecting the transplant, surpassing the longest record of 298 days.
The U.S. National Institutes of Health has announced plans to cease all research involving chimpanzees. This follows a phasing-out program initiated in 2013 and the 50 remaining individuals in federal custody will be sent to a sanctuary for retirement.
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