A supporter of stem cell scientist Hwang Woo-suk stands on a building under construction, as he threatens to kill himself by jumping off the building near state-run TV station KBS in Seoul April 11, 2006. The protester demanded KBS to broadcast a special documentary program favorable to the discredited stem cell scientist Hwang. The program was originally produced for the network's investigative programme but the company decided not to release it, local media reported. The slogans on the banners read, "We have a thirst for truth, broadcast the investigative programme, I will throw my life." REUTERS/Kim Kyung-Hoon 

A South Korean protester holds a flag bearing the portrait of stem-cell scientist Hwang Woo-suk at a rally in Seoul March 22, 2006. Seoul National University officially dismissed a disgraced stem cell scientist on Monday for leading a team that deliberately fabricated key data in two papers once hailed as landmark studies, but since debunked. The slogan on the flag reads,'return Hwang Woo-suk to laboratory'. REUTERS/Kim Kyung-Hoon 

South Korean protesters hold banners at a rally in support of stem cell scientist Hwang Woo-suk in Seoul March 22, 2006. Seoul National University officially dismissed the disgraced stem cell scientist on Monday for leading a team that deliberately fabricated key data in two papers once hailed as landmark studies, but since debunked. REUTERS/Kim Kyung-Hoon 

Byun Chang-gu, the dean of academic affairs of Seoul National University, speaks at a news conference in Seoul March 20, 2006. Seoul National University officially fired disgraced stem cell scientist Hwang Woo-suk on Monday for leading a team that deliberately fabricated key data in two papers once hailed as landmark studies but since debunked. REUTERS/You Sung-Ho 

A supporter (R) of South Korean stem-cell scientist Hwang Woo-suk scuffles with riot policemen at a rally in front of the headquarters of Seoul National University in Seoul March 10, 2006. Dozens of protesters rallied on Friday against the Seoul National University Investigation Committee's conclusion that a team led by the disgraced South Korean scientist Hwang faked two landmark papers on embryonic stem cells, local media reported. REUTERS/Kim Kyung-Hoon 

A supporter (C) of South Korean stem-cell scientist Hwang Woo-suk shouts as she is surrounded by plainclothes policemen at a rally in front of the headquarters of Seoul National University in Seoul March 10, 2006. Dozens of protesters rallied on Friday against the Seoul National University Investigation Committee's conclusion that a team led by the disgraced South Korean scientist Hwang faked two landmark papers on embryonic stem cells, local media reported. REUTERS/Kim Kyung-Hoon 

A supporter (R) of South Korean stem-cell scientist Hwang Woo-suk, wearing traditional funeral costume, scuffles with riot policemen at a rally in front of the headquarters of Seoul National University in Seoul March 10, 2006. Dozens of protesters rallied on Friday against the Seoul National University Investigation Committee's conclusion that a team led by the disgraced South Korean scientist Hwang faked two landmark papers on embryonic stem cells, local media reported. REUTERS/Kim Kyung-Hoon 

A supporter of South Korean stem-cell scientist Hwang Woo-suk holds a banner at a rally in front of the headquarters of Seoul National University in Seoul March 10, 2006. Dozens of protesters rallied on Friday against the Seoul National University Investigation Committee's conclusion that a team led by the disgraced South Korean scientist Hwang faked two landmark papers on embryonic stem cells, local media reported. REUTERS/Kim Kyung-Hoon 

Supporters of South Korean stem-cell scientist Hwang Woo-suk, dressed in traditional funeral costume, are surrounded by policemen at a rally in front of the headquarters of Seoul National University in Seoul March 10, 2006. Dozens of protesters rallied on Friday against the Seoul National University Investigation Committee's conclusion that a team led by the disgraced South Korean scientist Hwang faked two landmark papers on embryonic stem cells, local media reported. REUTERS/Kim Kyung-Hoon 

South Korean stem-cell scientist Hwang Woo-suk arrives at the prosecutors' office in Seoul March 5, 2006. South Korean prosecutors grilled disgraced scientist Hwang on Sunday in an investigation into suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk arrives at the prosecutors' office in Seoul March 5, 2006. South Korean prosecutors grilled disgraced scientist Hwang on Sunday in an investigation into suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk arrives at the prosecution office in Seoul March 4, 2006. South Korean prosecutors grilled disgraced scientist Hwang for a third day on Saturday in an investigation into suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk arrives at the prosecution office in Seoul March 4, 2006. South Korean prosecutors grilled disgraced scientist Hwang for a third day on Saturday in an investigation into suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/You Sung-Ho 

South Korean stem-cell scientist Hwang Woo-suk arrives at the prosecution office in Seoul March 4, 2006. South Korean prosecutors grilled disgraced scientist Hwang for a third day on Saturday in an investigation into suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/You Sung-Ho 

South Korea's stem-cell scientist Hwang Woo-suk is surrounded by reporters as he arrives at the prosecution office in Seoul March 2, 2006. South Korean prosecutors started questioning Hwang on Thursday in their probe of suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/Kim Kyung-Hoon 

South Korea's stem-cell scientist Hwang Woo-suk is surrounded by reporters as he arrives at the prosecution office in Seoul March 2, 2006. South Korean prosecutors started questioning Hwang on Thursday in their probe of suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/Kim Kyung-Hoon 

South Korea's stem-cell scientist Hwang Woo-suk arrives at the prosecution office in Seoul March 2, 2006. South Korean prosecutors started questioning Hwang on Thursday in their probe of suspected criminal fraud over debunked papers on embryonic stem cells. REUTERS/Kim Kyung-Hoon 

A South Korean waves the national flag at a rally supporting stem cell scientist Hwang Woo-suk in Seoul March 1, 2006. South Korean prosecutors said on Wednesday that they plan to summon disgraced scientist Hwang to determine the extent of his involvement in the fabrication of research data, local media reported. REUTERS/Kim Kyung-Hoon 

South Korean female Buddhist monks wave national flags at a rally supporting stem cell scientist Hwang Woo-suk in Seoul March 1, 2006. South Korean prosecutors said on Wednesday that they plan to summon disgraced scientist Hwang to determine the extent of his involvement in the fabrication of research data, local media reported. REUTERS/Kim Kyung-Hoon 

South Koreans make a bow for every three steps they take at a rally supporting stem cell scientist Hwang Woo-suk in Seoul March 1, 2006. South Korean prosecutors said on Wednesday that they plan to summon disgraced scientist Hwang to determine the extent of his involvement in the fabrication of research data, local media reported. REUTERS/You Sung-Ho 

A South Korean protester holds a poster at a rally supporting the stem-cell scientist Hwang Woo-suk near the prosecutors' office in Seoul February 21, 2006. South Korean prosecutors have a plan to summon the disgraced cloning expert Hwang Woo-suk and his key colleagues for final confirmation of details on its criminal investigation into the fraudulent works in two landmark papers on human embryonic stem cells, local media reported. The poster reads "Hwang Woo-suk is a hope of South Korea". REUTERS/You Sung-Ho 

South Korean protesters hold a banners at a rally supporting the stem-cell scientist Hwang Woo-suk near the prosecutors' office in Seoul February 21, 2006. South Korean prosecutors have a plan to summon the disgraced cloning expert Hwang Woo-suk and his key colleagues for final confirmation of details on its criminal investigation into the fraudulent works in two landmark papers on human embryonic stem cells, local media reported. REUTERS/You Sung-Ho 

A South Korean protester holds a poster at a rally supporting the stem-cell scientist Hwang Woo-suk near the prosecutors' office in Seoul February 21, 2006. South Korean prosecutors have a plan to summon the disgraced cloning expert Hwang Woo-suk and his key colleagues for final confirmation of details on its criminal investigation into the fraudulent works in two landmark papers on human embryonic stem cells, local media reported. The poster reads "Hwang Woo-suk is a hope of South Korea". REUTERS/You Sung-Ho 

South Korean protesters hold a banners at a rally supporting the stem-cell scientist Hwang Woo-suk near the prosecutors' office in Seoul February 21, 2006. South Korean prosecutors have a plan to summon the disgraced cloning expert Hwang Woo-suk and his key colleagues for final confirmation of details on its criminal investigation into the fraudulent works in two landmark papers on human embryonic stem cells, local media reported. REUTERS/You Sung-Ho 

A South Korean woman holds a poster and bows at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Koreans on wheelchairs take part in a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean Buddhists bow at every three steps they take on the street at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

A South Korean woman holds a banner and national flag at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean protesters wearing national flags take part in a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean protesters wearing national flags take part in a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Koreans on wheelchairs take part in a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

A South Korean woman holds a poster and bows at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean Buddhists bow at every three steps they take on the street at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

A South Korean woman holds a banner and national flag at a rally supporting the stem-cell scientist Hwang Woo-suk in Seoul February 18, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean supporters of stem-cell scientist Hwang Woo-suk hold banners at Seoul National University hospital in Seoul February 17, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean supporters of stem-cell scientist Hwang Woo-suk hold banners at Seoul National University hospital in Seoul February 17, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean supporters of stem-cell scientist Hwang Woo-suk hold banners at Seoul National University hospital in Seoul February 17, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

South Korean supporters of stem-cell scientist Hwang Woo-suk hold banners at Seoul National University hospital in Seoul February 17, 2006. A U.S. co-author of a debunked paper produced with South Korean scientists will answer questions via email from South Korean prosecutors investigating the team for suspected criminal fraud, South Korean media said on Friday. REUTERS/Kim Kyung-Hoon 

Park Eu-myung, Board of Audit and Inspection deputy general, casts his shadow in front of the logo of Board of Audit and Inspection at a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

A South Korean walks past a large photo exhibition poster bearing the picture of a disgraced stem-cell scientist Hwang Woo-suk in Seoul February 6, 2006. Hwang was probably unaware his team had failed to make a single tailor-made stem cell as it reported in a landmark research paper last year, a media report said on Monday. REUTERS/Kim Kyung-Hoon 

Park Eu-myung (C), Board of Audit and Inspection deputy general, attends a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

Park Eu-myung, Board of Audit and Inspection deputy general, speaks to reporters in front of the logo of Board of Audit and Inspection at a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

A South Korean walks past a large photo exhibition poster bearing the picture of a disgraced stem-cell scientist Hwang Woo-suk in Seoul February 6, 2006. Hwang was probably unaware his team had failed to make a single tailor-made stem cell as it reported in a landmark research paper last year, a media report said on Monday. REUTERS/Kim Kyung-Hoon 

Park Eu-myung, Board of Audit and Inspection deputy general, casts his shadow in front of the logo of Board of Audit and Inspection at a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

Park Eu-myung (C), Board of Audit and Inspection deputy general, attends a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

Park Eu-myung, Board of Audit and Inspection deputy general, speaks to reporters in front of the logo of Board of Audit and Inspection at a news conference in Seoul February 6, 2006. South Korea's disgraced stem-cell scientist Hwang Woo-suk personally kept track of more than 6 billion won ($7 million) out of 37 billion won in government research grants and private contributions to his work, a state audit agency said. REUTERS/Kim Kyung-Hoon 

A South Korean takes part in a rally supporting stem-cell scientist Hwang Woo-suk in Seoul February 4, 2006. A South Korean truck driver killed himself on Saturday by setting himself on fire after distributing leaflets urging disgraced stem-cell scientist Hwang to resume his research, police said. REUTERS/You Sung-Ho 

A South Korean takes part in a rally supporting stem-cell scientist Hwang Woo-suk in Seoul February 4, 2006. A South Korean truck driver killed himself on Saturday by setting himself on fire after distributing leaflets urging disgraced scientist Hwang to resume his research, police said. REUTERS/You Sung-Ho 

South Koreans take part in a rally supporting stem-cell scientist Hwang Woo-suk in Seoul February 4, 2006. A South Korean truck driver killed himself on Saturday by setting himself on fire after distributing leaflets urging disgraced Hwang to resume his research, police said. The slogan reads "Although there is no border in science, scientists have their own fatherland". REUTERS/You Sung-Ho 

A South Korean takes part in a rally supporting stem-cell scientist Hwang Woo-suk in Seoul February 4, 2006. A South Korean truck driver killed himself on Saturday by setting himself on fire after distributing leaflets urging disgraced Hwang to resume his research, police said. REUTERS/You Sung-Ho 

A South Korean stands in front of a photo exhibition poster bearing the picture of disgraced stem-cell scientist Hwang Woo-suk in Seoul February 2, 2006. South Korean prosecutors raided the home of Hwang on Thursday along with the homes of several key members of his research team, a South Korean broadcaster reported. REUTERS/Kim Kyung-Hoon 

A South Korean looks at a photo exhibition poster bearing the picture of disgraced stem-cell scientist Hwang Woo-suk in Seoul February 2, 2006. South Korean prosecutors raided the home of Hwang on Thursday along with the homes of several key members of his research team, a South Korean broadcaster reported. REUTERS/Kim Kyung-Hoon 

Cho Han-ik, vice-chairman of the National Bioethics Deliberation Committee speaks reporters at a news conference in Seoul February 2, 2006. South Korea's National Bioethics Deliberation Committee said in a report on Thursday that stem-cell scientist Hwang Woo-suk's team obtained 2,221 human eggs from 119 woman. REUTERS/You Sung-Ho 

South Korean girls hold national flags at a rally supporting stem-cell scientist Hwang Woo-suk in Seoul January 21, 2006. The president of Seoul National University stripped a title from a disgraced researcher because of science fraud and called for six others to be punished who were part of the same cloning scandal, the school said on Friday. REUTERS/You Sung-Ho 

South Korean female Buddhist monks hold candles at a rally supporting stem-cell scientist Hwang Woo-suk in Seoul January 21, 2006. The president of Seoul National University stripped a title from a disgraced researcher because of science fraud and called for six others to be punished who were part of the same cloning scandal, the school said on Friday. The slogan on the banner reads "We love and believe in doctor Hwang Woo-suk". REUTERS/You Sung-Ho 

A South Korean female Buddhist monk holds the national flag at a rally supporting stem-cell scientist Hwang Woo-suk in Seoul January 21, 2006. The president of Seoul National University stripped a title from a disgraced researcher because of science fraud and called for six others to be punished who were part of the same cloning scandal, the school said on Friday. The slogan on the banner reads "We love and believe in doctor Hwang Woo-suk". REUTERS/You Sung-Ho 

Supporters of South Korean stem-cell scientist Hwang Woo-suk wave national flags and candles at 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/Lee Jae-Won 

A supporter of South Korean stem-cell scientist Hwang Woo-suk holds candles at a rally in Seoul January 14, 2006. Disgraced scientist Hwang who 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 

Disabled South Koreans 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