Signatures of a long-ago solar storm, recorded in tree rings, helped researchers date a 7,400-year-old settlement in northern Greece.
archaeology
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Stone Age Humans Chose Their Rocks with Care
Ancient humans possessed sophisticated knowledge of the properties of the stones they used to make tools.
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Stone Chemistry Records Pacific Migration
Scientists used the chemistry of stone artifacts to trace human migration in the Pacific, revealing evidence of long voyages and cultural exchange.
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Tree Rings Hint at the Fall of the Hittite Empire
The Bronze Age civilization adapted to changes in climate but suffered during a prolonged crisis.
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El papel central de la agricultura en el calendario de horizonte azteca
Los calendarios de horizonte fueron clave para medir el tiempo para las culturas pre-hispánicas de la cuenca del Valle de México. Un nuevo estudio sugiere que los calendarios se usaron para gestionar los ciclos agrícolas.
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Large Geomagnetic Field Changes Recorded by Archeomagnetism
A rare case of absolute paleointensity data in sub-centennial resolution from an archeological site provide much higher values than predicted by existing magnetic field models.
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Agriculture at the Center of the Aztec Horizon Calendar
Horizon calendars were a key part of time measurement for pre-Hispanic cultures in the Basin of Mexico. A new study suggests that calendars were used to manage the agricultural cycle.
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Grabado en piedra: edificios incas guardan el registro de terremotos antiguos
Daños a los edificios incas en Cusco revelan una historia de terremotos olvidada que podría ayudar a científicos a entender riesgos sísmicos modernos.
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Written in Stone: Inca Buildings Remember Ancient Earthquakes
Damage to the Inca buildings of Cusco reveals a forgotten earthquake history that could help scientists understand modern seismic hazards.
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Vehículos robóticos exploran campos de batalla de la Segunda Guerra Mundial en el océano
El Proyecto Recover usa vehículos autónomos submarinos para identificar, acceder, y captar imágenes de sitios difíciles de alcanzar con restos de la Segunda Guerra Mundial, cerca de las Islas Marianas del Norte.