Ancient humans possessed sophisticated knowledge of the properties of the stones they used to make tools.
history
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Roman Plagues Struck During Cool, Dry Periods
Marine sediments from the Gulf of Taranto offer a high-resolution look at climate during ancient disease outbreaks.
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Antarctic Ice Cores Capture Heavy Metal Pollution—And History
An ice core record stretching back more than 2 millennia hints at the mining and metallurgy that waxed and waned with events such as wars and epidemics.
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El despertar del Popocatépetl: Transformando la vulcanología en México
La erupción del “Don Goyo” de 1994 en México central aceleró el interés académico en la vulcanología.
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Bridging Gaps Between the Geosciences and National Security
The geoscience community and national security agencies need effective, two-way communication to exchange information.
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Popocatépetl’s Wake-Up Call: Transforming Volcanology in Mexico
The 1994 eruption of “Don Goyo” in central Mexico accelerated an academic interest in volcanology.
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Looking for Climate Clues in China’s Great Wall
Looking for Climate Clues in China’s Great Wall
In northwestern China, desert conditions have preserved the farthest reaches of the Great Wall. Scientists are now exploring 2,000-year-old building materials for signs of the region’s past climate.
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Climate Change Turns Up the Heat in Greek Museums
Museums and historic buildings use indoor microclimates to preserve artifacts, but rising temperatures could create a breeding ground for pests, mold, and deterioration.
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Ocean Warming Is Wiping Out Southern California’s Mussel Beds
Historic photographs reveal the dramatic retreat of mollusks as warmer waters take a toll on the health of the intertidal zone.
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Mammal Droppings Preserve Human and Climate History on the Tibetan Plateau
Geochemical signatures in sediment, which includes organic molecules from human and animal poop, help scientists track the rise and fall of the Tibetan Empire.