In June 5438+February 65438+May 2005, Hwang Woo-suk, the father of Korean cloning, admitted that the research results of stem cells were forged, and the stem cells in the paper published in Science in 2005 did not actually exist.

65438+February 65438+June, the American Science Journal revoked the stem cell paper.

On February 29th, 65438, investigators from Seoul National University said that there was no evidence that Hwang Woo-suk had cloned any embryonic stem cells from patients' somatic cells.