Text size:    • Small   • Normal   • Large A box of DNA samples
at the Dubai Cord Blood & Research Centre in Dubai.  DNA: a
perfect match ... almost  Breakthrough research by an English
geneticist 25 years ago revolutionised the investigation of
crimes and the prosecution of the perpetrators, but DNA
profiling is not foolproof.  Breakthrough research by an English
geneticist 25 years ago revolutionised the investigation of
crimes and the prosecution of the perpetrators, but DNA
profiling is not foolproof. No one knows if Archimedes really
did run down the street of his hometown shrieking "eureka" -
Greek for "I have found it" - after discovering his celebrated
law of buoyancy. What is certain is that in science, such
moments are rare indeed. Most of the time, the frontiers of
knowledge advance at a glacial pace, with researchers finding
that - in the words of the American Nobel-Prize-winning
physicist Murray Gell-Mann - their most valuable tool is the
wastebasket.  Small wonder, then, that scientists are this