Science or Stunt

Critiquing the experiments

While the cloning of human embryos by Advanced Cell Technology Inc. has political and ethical implications, the science behind the publication also has caused a stir.

"The justification for this publication was not a scientific one, but likely has to do with something else completely," said Ali Hemmati-Brivanlou, head of the Molecular Vertebrate Embryology Laboratory at Rockefeller University in New York. Indeed, according to Hemmati-Brivanlou, the manner of presenting the publication was far from usual.