Until last week gene scientists were set to celebrate 2003 happily looking back to the birth of their discipline 50 years ago and looking ahead to further decades in which they would unlock and exploit DNA’s secrets.

Today the mood has changed, suddenly darkened by the announcement last Friday by a secretive religious sect, the Raelians, that it had created the world’s first human clone.

Reaction among scientists ranges from skepticism – the claim is supposedly being verified independently by samples taken from baby and mother – to revulsion at what is perceived as a risky and immoral experiment.

More here.