Sumerian Cylinder Seals: Pocket-Sized Tools for Securing Ancient Records
Sumerian cylinder seals combined image, identity and security. Their impressions closed containers, marked records and carried a person’s authority across ancient Mesopotamia.
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Sumerian cylinder seals combined image, identity and security. Their impressions closed containers, marked records and carried a person’s authority across ancient Mesopotamia.
A larch beam from Por-Bazhyn preserves a radiocarbon marker that dates the start of construction to summer 777. The island complex was built under the Uyghur Khaganate, but its intended use remains uncertain.

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Researchers are using high-definition X-ray CT and virtual unwrapping to read cuneiform letters that remain sealed inside their ancient clay envelopes.