South Korean students participate in a rally held by supporters of South Korean stem-cell scientist Hwang Woo-suk in Seoul January 14, 2006. Disgraced scientist Hwang is facing an enhanced investigation and will never publish a paper in a major journal again, experts and officials said on Friday. REUTERS/Lee Jae-Won 

Supporters of South Korean stem-cell scientist Hwang Woo-suk participate in a rally in Seoul January 14, 2006. Disgraced scientist Hwang cannot leave South Korea because of a criminal probe, is facing an intensified investigation and will never publish a paper in a major journal again, experts and officials said on Friday. REUTERS/Lee Jae-Won 

Supporters of South Korean stem-cell scientist Hwang Woo-suk participate in a rally in Seoul January 14, 2006. Disgraced scientist Hwang is facing an enhanced investigation and will never publish a paper in a major journal again, experts and officials said on Friday. REUTERS/You Sung-Ho 

A student waves a national flag and a candle during a rally held by supporters of South Korean stem-cell scientist Hwang Woo-suk in Seoul January 14, 2006. Disgraced scientist Hwang is facing an enhanced investigation and will never publish a paper in a major journal again, experts and officials said on Friday. REUTERS/Lee Jae-Won 

Supporters of South Korean stem-cell scientist Hwang Woo-suk participate in a rally in Seoul January 14, 2006. Disgraced scientist Hwang cannot leave South Korea because of a criminal probe, is facing an intensified investigation and will never publish a paper in a major journal again, experts and officials said on Friday. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk reacts at a news conference in Seoul January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. 

South Korean stem-cell scientist Hwang Woo-suk leaves after a news conference in Seoul January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but hinted at a conspiracy to discredit him and said he was blinded by the zeal of advancing stem cell studies. 

South Korean stem-cell scientist Hwang Woo-suk reacts during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean [media] reported. 

South Korean stem-cell scientist Hwang Woo-suk gets ready to speak at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean [media] reported. 

South Korean stem-cell scientist Hwang Woo-suk gets ready to speak at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean [media] reported. 

Members of South Korean stem-cell scientist Hwang Woo-suk's research team weep as Hwang (unseen) speaks at a news conference in Seoul January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk drinks water during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk speaks at a news conference in Seoul January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but hinted at a conspiracy to discredit him and said he was blinded by the zeal of advancing stem cell studies. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk reacts at a news conference in Seoul January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk leaves after a news conference in Seoul January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but hinted at a conspiracy to discredit him and said he was blinded by the zeal of advancing stem cell studies. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk leaves after a news conference in Seoul January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but hinted at a conspiracy to discredit him and said he was blinded by the zeal of advancing stem cell studies. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk (C) leaves with his students as his supporters hold up signs and reporters surround him after a news conference in Seoul, January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk reacts during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk (C) leaves with his students as his supporters hold up signs and reporters surround him after a news conference in Seoul, January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk (L) leaves with his students as a supporter of his holds up a poster after a news conference in Seoul January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk attends a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk bows during a news conference in Seoul, January 12, 2006. Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk reacts during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk gestures during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk reacts during a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk speaks at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk gets ready to speak at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

Supporters of South Korean stem-cell scientist Hwang Woo-suk hold signs in Seoul January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the alleged misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk (L) comforts a female member of his research team after a news conference in Seoul, January 12, 2006. Disgraced South Korean scientist Hwang apologised on Thursday for wrongdoing at his laboratory, but said his team may have been the victim of a conspiracy trying to discredit them. Underscoring Hwang's fall, prosecutors raided his home and offices on Thursday as part of a criminal probe into the alleged misuse of state funds, South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk gets ready to speak at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk speaks at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk gets ready to speak at a news conference in Seoul, January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

South Korean stem-cell scientist Hwang Woo-suk drinks water before he speaks at a news conference in Seoul January 12, 2006. Prosecutors raided the home and offices on Thursday of Hwang as part of a criminal probe into the alleged misuse of state funds, several South Korean media reported. REUTERS/Lee Jae-Won 

Supporters of stem-cell scientist Hwang Woo-suk who was a professor at Seoul National University, shout slogans at a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to demand that the university give opportunity to Hwang so that he can reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean boy holds a candle at a candle light vigil held by supporters of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, in Seoul, January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, puts a sticker on a hat of colleague during a rally in Seoul January 11, 2006. Supporters insisted that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. The sticker reads "We love and trust doctor Hwang". REUTERS/Lee Jae-Won 

Supporters of stem-cell scientist Hwang Woo-suk who was a professor at Seoul National University, shout slogans at a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to demand that the university give opportunity to Hwang so that he can reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean student shouts slogans at a candle light vigil in Seoul held by supporters of stem-cell scientist Hwang Woo-suk who was a professor at Seoul National University, January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to demand that the university give opportunity to Hwang so that he can reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, who was a professor at the Seoul National University, carries a sign during a rally in Seoul January 11, 2006. Supporters insisted that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

Supporters of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, participate in a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, holds candles at a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean boy holds a candle at a candle light vigil held by supporters of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, in Seoul, January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

Chung Un-chan, president of Seoul National University, speaks during a news conference at the university in Seoul January 11, 2006. Chung apologised to the nation on Wednesday, for a team led by South Korean scientist Hwang Woo-suk who fabricated two data on embryonic stem cells. REUTERS/Lee Jae-Won 

Chung Un-chan, president of Seoul National University, speaks during a news conference at the university in Seoul January 11, 2006. Chung apologised to the nation on Wednesday, for a team led by South Korean scientist Hwang Woo-suk who fabricated two data on embryonic stem cells. REUTERS/Lee Jae-Won 

Supporters of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, participate in a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, holds a sign at a candle light vigil in Seoul, January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, who was a professor at Seoul National University, holds candles at a candle light vigil in Seoul January 11, 2006. Hundreds of supporters of Hwang gathered in central Seoul on Wednesday to insist that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. REUTERS/Lee Jae-Won 

South Korean supporters of stem-cell scientist Hwang Woo-suk, who was a professor at the Seoul National University, participate in a rally in Seoul January 11, 2006. Supporters insisted that the university give Hwang an opportunity to reproduce his work. The president of the university apologised on Wednesday for scientific fraud at the school, saying two fabricated papers on stem cell research had embarrassed the country and science. The supporter on the right carries a sign saying "I love Hwang". REUTERS/Lee Jae-Won 

Chung Un-chan, president of Seoul National University, speaks during a news conference at the university in Seoul January 11, 2006. Chung apologised to the nation on Wednesday, for a team led by South Korean scientist Hwang Woo-suk who fabricated two data on embryonic stem cells. REUTERS/Lee Jae-Won 

Chung Un-chan, president of Seoul National University, prepares to speak during a news conference at the university in Seoul January 11, 2006. Chung apologised to the nation on Wednesday, for a team led by South Korean scientist Hwang Woo-suk who fabricated two data on embryonic stem cells. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, carries a portrait of Hwang during a small rally in front of Seoul National University in Seoul January 10, 2006. A team led by a once heralded and now disgraced South Korean scientist faked two landmark papers on embryonic stem cells but did produce the world's first cloned dog, an investigation panel said on Tuesday. 

An employee of Seoul National University removes ribbons that supporters of stem-cell scientist Hwang Woo-suk hung up on trees to symbolize that the supporters wish Hwang's return to his laboratory, at a main entrance of the university in Seoul January 10, 2006. A team led by a once heralded and now disgraced South Korean scientist faked two landmark papers on embryonic stem cells but did produce the world's first cloned dog, the investigation panel of Seoul National University said on Tuesday. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk carries a portrait of Hwang in front of Seoul National University in Seoul January 10, 2006. A team led by a once-heralded and now disgraced South Korean scientist faked two landmark papers on embryonic stem cells but did produce the world's first cloned dog, the investigation panel of Seoul National University said on Tuesday. The poster reads, "The investigation panel of Seoul National University save doctor Hwang". REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, carries a portrait of Hwang during a small rally in front of Seoul National University in Seoul January 10, 2006. A team led by a once heralded and now disgraced South Korean scientist faked two landmark papers on embryonic stem cells but did produce the world's first cloned dog, an investigation panel said on Tuesday. REUTERS/Lee Jae-Won 

A South Korean supporter of stem-cell scientist Hwang Woo-suk, carries a portrait of Hwang during a small rally in front of Seoul National University in Seoul January 10, 2006. A team led by a once heralded and now disgraced South Korean scientist faked two landmark papers on embryonic stem cells but did produce the world's first cloned dog, an investigation panel said on Tuesday. REUTERS/Lee Jae-Won 

A South Korean supporter for stem-cell scientist Hwang Woo-suk participates in a candle light vigil in front of Seoul National University in Seoul January 9, 2006. A Seoul National University panel on Tuesday is expected to release its final report on the veracity of three major claims by Hwang's team -- developing tailored embryonic stem cells, producing the world's first cloned dog and producing the first cloned human embryos for research. REUTERS/Lee Jae-Won 

A supporter of stem-cell scientist Hwang Woo-suk holds a candle behind a portrait of Hwang and a lab suit on which Hwang supporters wrote their wishes during a candlelight vigil in front of Seoul National University in Seoul January 9, 2006. A Seoul National University panel on Tuesday is expected to release its final report on the veracity of three major claims by Hwang's team -- developing tailored embryonic stem cells, producing the world's first cloned dog and producing the first cloned human embryos for research. REUTERS/Lee Jae-Won 

A South Korean supporter for stem-cell scientist Hwang Woo-suk participates in a candle light vigil in front of Seoul National University in Seoul January 9, 2006. A Seoul National University panel on Tuesday is expected to release its final report on the veracity of three major claims by Hwang's team -- developing tailored embryonic stem cells, producing the world's first cloned dog and producing the first cloned human embryos for research. REUTERS/Lee Jae-Won 

A supporter of stem-cell scientist Hwang Woo-suk participates in a candlelight vigil in front of the Seoul National University in Seoul January 9, 2006.A Seoul National University panel on Tuesday is expected to release its final report on the veracity of three major claims by Hwang's team -- developing tailored embryonic stem cells, producing the world's first cloned dog and producing the first cloned human embryos for research. REUTERS/Lee Jae-Won 

South Korean supporters of stem-cell scientist Hwang Woo-suk hold candles behind a portrait of Hwang and a lab suit on which the supporters wrote their wishes during a candlelight vigil in front of the Seoul National University in Seoul January 9, 2006. A Seoul National University panel on Tuesday is expected to release its final report on the veracity of three major claims by Hwang's team -- developing tailored embryonic stem cells, producing the world's first cloned dog and producing the first cloned human embryos for research. REUTERS/Lee Jae-Won