Cloning – The New York Times

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The companies behind it, Boyalife Group and Soaam Biotech, must contend with consumers in a country where food safety is a near obsession.

By OWEN GUO

The retraction by Science of a study of changing attitudes on gay marriage is the latest in a growing number of prominent withdrawals of the results of studies from scientific literature.

By MICHAEL ROSTON

Scientists have moved a step closer to the goal of creating stem cells perfectly matched to a patients DNA in order to treat diseases, they announced on Thursday, creating patient-specific cell lines out of the skin cells of two adult men.

Nearly a decade after his downfall for faking research, the South Korean scientist Hwang Woo-suk has won patents for his work in an attempt to resume studying human stem cells.

Bringing extinct animals back to life is really happening and its going to be very, very cool. Unless it ends up being very, very bad.

By NATHANIEL RICH

Dr. Hwang Woo-suk of South Korea received the patent for the method by which he claimed in 2004 to have extracted stem cells from cloned human embryos.

Dolly, the world's first cloned sheep, has arthritis, raising fears that cloning may have given her a genetic defect. Prof. Ian Wilmut of the Roslin Institute in Scotland, where Dolly was created, said that the sheep had arthritis in its left hind leg. Sheep get arthritis, but Dolly has developed it unusually early and in joints not normally affected.

President Clinton said today that he wanted to ban the cloning of human beings but allow some cloning research while Americans debate the moral implications. The President proposed legislation that would ban cloning ''for the purposes of creating a child.'' It would direct the National Bioethics Advisory Commission to report in four and a half years on whether the ban should continue.

The first cloned-to-order pet sold in the United States is Little Nicky, a 9-week-old kitten delivered to a Texan saddened by the loss of a cat she had owned for 17 years. The kitten, which cost $50,000, was cloned from a cat, Nicky, who died last year and whose owner banked the DNA that was used for the clone.

Scientists in China said today that they had taken a step toward cloning a giant panda by growing an embryo that contained a dead panda's genes. The scientists said the development could be a breakthrough in efforts to save the panda, which is in danger of extinction.

A physicist who has said that he wants to raise money to open a clinic to clone humans said today that he foresaw as many as 200,000 human clones a year once his process was perfected, at a price for each clone far lower than the $1 million the first one would cost. The physicist, Dr. Richard Seed of Riverside, Ill., said the initial market for human clones would come from the 10 percent to 15 percent of infertile couples who cannot conceive by alternative methods, like test-tube fertilization.

The uproar over Dolly the sheep and human embryonic stem cells, revisited in a Retro Report video, shows how emotions can cloud understanding of science.

By NICHOLAS WADE

In 1997, Scottish scientists revealed they had cloned a sheep and named her Dolly, sending waves of future shock around the world that continue to shape frontiers of science today.

Retro Report

Researchers fused skin cells with donated human eggs to create human embryos that were genetically identical to the person who provided the skin cells.

By ANDREW POLLACK

It could be years before scientists succeed in bringing species back from extinction, but they are thinking of ways to give new life to creatures like woolly mammoths and weird frogs.

By GINA KOLATA

Dr. Campbell, a British cell biologist, helped create Dolly, the first mammal to be cloned from an adult animal.

Shinya Yamanaka and John B. Gurdon, the two scientists who were awarded the Nobel Prize in Physiology or Medicine on Monday, helped lay the foundation for regenerative medicine.

Amy Finkel lives in an apartment in Boerum Hill, Brooklyn, that does not allow pets. But she does have a groundhog (Chompers), an armadillo (Fleischesser) and a boar (Angel). They are all, however, dead and stuffed - and in the case of the boar, it is just the head.

A plan hatched by tree enthusiasts hopes to clone and mass-produce colossal redwoods, the tallest living things on earth.

The companies behind it, Boyalife Group and Soaam Biotech, must contend with consumers in a country where food safety is a near obsession.

By OWEN GUO

The retraction by Science of a study of changing attitudes on gay marriage is the latest in a growing number of prominent withdrawals of the results of studies from scientific literature.

By MICHAEL ROSTON

Scientists have moved a step closer to the goal of creating stem cells perfectly matched to a patients DNA in order to treat diseases, they announced on Thursday, creating patient-specific cell lines out of the skin cells of two adult men.

Nearly a decade after his downfall for faking research, the South Korean scientist Hwang Woo-suk has won patents for his work in an attempt to resume studying human stem cells.

Bringing extinct animals back to life is really happening and its going to be very, very cool. Unless it ends up being very, very bad.

By NATHANIEL RICH

Dr. Hwang Woo-suk of South Korea received the patent for the method by which he claimed in 2004 to have extracted stem cells from cloned human embryos.

Dolly, the world's first cloned sheep, has arthritis, raising fears that cloning may have given her a genetic defect. Prof. Ian Wilmut of the Roslin Institute in Scotland, where Dolly was created, said that the sheep had arthritis in its left hind leg. Sheep get arthritis, but Dolly has developed it unusually early and in joints not normally affected.

President Clinton said today that he wanted to ban the cloning of human beings but allow some cloning research while Americans debate the moral implications. The President proposed legislation that would ban cloning ''for the purposes of creating a child.'' It would direct the National Bioethics Advisory Commission to report in four and a half years on whether the ban should continue.

The first cloned-to-order pet sold in the United States is Little Nicky, a 9-week-old kitten delivered to a Texan saddened by the loss of a cat she had owned for 17 years. The kitten, which cost $50,000, was cloned from a cat, Nicky, who died last year and whose owner banked the DNA that was used for the clone.

Scientists in China said today that they had taken a step toward cloning a giant panda by growing an embryo that contained a dead panda's genes. The scientists said the development could be a breakthrough in efforts to save the panda, which is in danger of extinction.

A physicist who has said that he wants to raise money to open a clinic to clone humans said today that he foresaw as many as 200,000 human clones a year once his process was perfected, at a price for each clone far lower than the $1 million the first one would cost. The physicist, Dr. Richard Seed of Riverside, Ill., said the initial market for human clones would come from the 10 percent to 15 percent of infertile couples who cannot conceive by alternative methods, like test-tube fertilization.

The uproar over Dolly the sheep and human embryonic stem cells, revisited in a Retro Report video, shows how emotions can cloud understanding of science.

By NICHOLAS WADE

In 1997, Scottish scientists revealed they had cloned a sheep and named her Dolly, sending waves of future shock around the world that continue to shape frontiers of science today.

Retro Report

Researchers fused skin cells with donated human eggs to create human embryos that were genetically identical to the person who provided the skin cells.

By ANDREW POLLACK

It could be years before scientists succeed in bringing species back from extinction, but they are thinking of ways to give new life to creatures like woolly mammoths and weird frogs.

By GINA KOLATA

Dr. Campbell, a British cell biologist, helped create Dolly, the first mammal to be cloned from an adult animal.

Shinya Yamanaka and John B. Gurdon, the two scientists who were awarded the Nobel Prize in Physiology or Medicine on Monday, helped lay the foundation for regenerative medicine.

Amy Finkel lives in an apartment in Boerum Hill, Brooklyn, that does not allow pets. But she does have a groundhog (Chompers), an armadillo (Fleischesser) and a boar (Angel). They are all, however, dead and stuffed - and in the case of the boar, it is just the head.

A plan hatched by tree enthusiasts hopes to clone and mass-produce colossal redwoods, the tallest living things on earth.

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Cloning - The New York Times