The dome is replaced every 5 years, and researchers are studying how to make the gold more durable.
history
Posted inNews
Five Things Spy Satellites Have Taught Us About Earth
Long before we had satellites beaming terabytes of data back to Earth, we had covert spacecraft the size of school buses snapping photos on rolls of film 50 kilometers long.
Posted inNews
Humans Colonized Polynesia Much Earlier Than Previously Thought
Evidence from mud, charcoal, and feces suggests humans arrived in East Polynesia during the driest period in 2 millennia.
Posted inNews
El Sistema de Canales Preincaicos Usa Laderas Como Esponjas para Almacenar Agua
Así se preparan para un futuro más seco en la costa occidental de Perú, los investigadores están recurriendo a técnicas del pasado.
Posted inNews
Podcast: Exhuming a Buried Piece of American History
Scientists are using grave soil to reconstruct the lives of enslaved Africans in colonial New York.
Posted inNews
How the Cold Climate Shaped Scotland’s Political Climate
Tree rings reveal how severe cold and political isolation brought disaster to Scotland, inspired a colonization effort in Panama, and helped drive union with England.
Posted inNews
Pre-Inca Canal System Uses Hillsides as Sponges to Store Water
To prepare for a drier future on Peru’s western coast, researchers are turning to techniques of the past.
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Podcast: The Johnstown Flood—A Most Avoidable Tragedy
How a dam failure near a small town in Pennsylvania continues to cast a shadow over the region more than 100 years later.
Posted inNews
A Dirty Truth: Humans Began Accelerating Soil Erosion 4,000 Years Ago
Recent research combining analysis of carbon dating, sediment accumulation rates, and pollen records from 632 lake beds worldwide finds deforestation tied to increased soil erosion.
Posted inAGU News
Digging Into 100 Years of AGU Treasures
AGU staff members spent an afternoon exploring the organization’s archives and unearthing gems from the past.