Lost North American crops were productive; cattle traveled to Irish Iron Age feasts; ancient Maya palace in Yucatan; lightning strike inspired Neolithic stone circle in Scotland

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New research on lost North American crops proves them as productive as maize.

Analysis shows people from across Ireland brought their own cattle to huge Iron Age feasts. | Newsweek version | Original study

In eastern Mexico, archaeologists discover huge ancient Maya palace.

Magnetic anomaly reveals reason behind stone circle in Scotland.