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One-tonne Iron Age iron cache points to Danube trade

A cache of more than a tonne of iron bars found in northern Austria is the largest reported and suggests substantial Iron Age transport along the Danube. The metal could have been enough to make roughly 500 swords.

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Lead in ink could help read sealed Herculaneum scrolls

Researchers used lead-containing ink, tomography and virtual unrolling to detect writing in carbonized scrolls without opening them. The laboratory demonstration could improve efforts to read fragile scrolls buried by the eruption of Vesuvius.