Science: Ancient Impressions

In the 19th century, a British colonial administrator in India, Sir William Herschel, stumbled onto the technique of fingerprinting, which has since become an indispensable aid to police in hunting down criminals. Now a young Swedish professor at the University of Göteborg contends that fingerprinting offers a promising tool for his own particular pursuit: archaeology.

Something of a crime buff himself, Archaeologist Paul Aström made his unusual proposal at a recent colloquium in Athens. The assembled scholars were heatedly debating one of their favorite questions: When did the Indo-European people who became the classical Greeks invade the area and subdue the aboriginal...

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