Should we bring back the dodo? De-extinction is a feel-good story, but these high-tech replacements aren’t really ‘resurrecting’ species

A section of scientists have argued that de-extinction will eventually help restore ecosystems. But others disagree

Third twin? not yet

The possibility of human cloning after a sheep has been cloned recently, seem hardly welcome as critics raise questions about humankind's …

Molly, the girl?

Science is probably going to ensure that people will be cloned eventually as was Dolly, the sheep?

What if the Lazarus returns

We may never be able to bring extinct species back to life. Yet, scientists are drawing up secret plans for their resurrection

Hope for infertile women

A new method to overcome infertility in mothers uses the same technique which was used to clone Dolly, the sheep

What price the constitution?

Breakthroughs in genetic engineering have led to questions on the ethics of suchexperiments. Should scientists alone be steering the decision-…

Unsuccessful copycats

Mutations in cloned monkey embryos prove that a lot has to done before primates can be cloned successfully

Unsafe cloning

Scientists confirm the previous suspicion that reproductive cloning is not only inefficient, but also unsafe

Dolly II

Chinese scientists have achieved a major breakthrough by cloning the endangered giant panda

Human reproductive technologies like sperm freezing and IVF could be used to save threatened species

They could solve genetic and cost issues and prevent inbreeding depression among such species

Mesoamerican masters of biotechnology

Maize is undeniably humanity's greatest, and the first, feat of genetic engineering. But the success story cannot be attributed to modern humans. …

Goodbye Dolly

Both her birth and death stirred a raging debate. Dolly -- the first mammal to be cloned from an adult cell -- was put to death on February 14, …

How Dolly was cloned

A HISTORY OF MOLECULAR BIOLOGY·Michel Morange· translated by Matthew Cobb·Oxford University Press·pp336·Rs 495

Thou shalt lag no more

To clone or not to clone

Copy cat

Human cloning ban

19 European nations sign an agreement to prohibit the genetic replication of human beings

Ban on human cloning

Dolly: real or a fluke?

Smelling a rat

Cloned mice suffering from obesity shed more doubts on the cloning technique

Ready to eat?

Shielding from risk

Korean cloning expert quits

One, two... many?

No to cloning