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Earliest victims of chemical warfare found

The skeletons of 19 Roman soldiers and a single Persian soldier who died during the siege of Dura may be the earliest victims yet found of chemical warfare. Almost 2,000 years ago, 19 Roman soldiers rushed into a cramped underground tunnel, prepared to defend the Roman-held Syrian city of Dura-Europos from

X-Rays reveal secrets of Mayan dyes

An x-ray study of Mayan pigments has helped scientists create a dye that will last for a millennia. "This pigment has been stable for centuries in the hostile conditions of the jungle," said Eric Dooryhee at the Brookhaven National Laboratory in Upton, N.Y. "We're trying to mimic it to

Prehistoric Italian artifacts discoloured by chemicals

Prehistoric Italian artifacts stored in a former military armoury have turned blue due to pollutants in the air. A mysterious blue sheen that is creeping over precious archaeological artefacts has sparked a political firestorm in Italy. Scientists are battling local authorities to save the damaged collection — and determine who

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