The Presidential Daily Brief


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    Scientists Create Human-Sheep Hybrid Embryos

    You can’t count on these sheep … yet. Nearly two dozen Americans die daily while waiting for organ transplants, but scientists are hoping to help by growing human donor organs inside farm animals. They saw a breakthrough Saturday when an American-Japanese team of researchers announced they’d grown sheep embryos that were 0.01 percent human cells. They’ll need embryos that are least 1 percent human to facilitate transplants. But despite the U.S. National Institutes of Health banning public funding for the controversial field, researchers are optimistic, saying, “Things are moving fast.”

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