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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Sedimentos lacustres registran el legado del carbón de Carolina del Norte
Los lagos contaminados con cenizas de carbón se encuentran en áreas residenciales y recreativas, provocando preocupaciones por la salud de los residentes locales y los ecosistemas.
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Roughed-Up Hillsides Reveal Tree-Toppling Winds
Researchers are reading pockmarks in the forest floor to study the uprooting of trees in southern Indiana and estimate how fast winds howled through the forest in the past.
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Some Corals Are More Heat Resistant Than Thought
The vast genetic diversity of corals means there are some that may survive warming waters. Now scientists just need to find them.
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Centuries-Old Archive Reveals Far-Flung Impacts of Major Eruptions
Weather records preserved by staff and students at Williams College reveal cool spells in New England after volcanic blasts in Indonesia and South Asia.
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¿Estaban los maestros impresionistas retratando una realidad contaminada?
Análisis de imágenes sugiere que el estilo de los artistas evolucionó en sincronía con el incremento de la contaminación en el aire durante la Revolución Industrial.
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Seaports Could Lose $67 Billion Yearly from Natural Disasters
Small islands and low-income nations face the largest relative monetary losses to their ports and maritime trade.
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The Role of Insurance in Climate Adaption
New research tests the promise of insurance to harden the U.S. economy to tropical storms.
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“Hot Jupiter” Is in a Possible Death Spiral
Kepler’s first exoplanet is migrating toward its star, an evolved subgiant that is much bigger than first thought.
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Does This Mineral Indicate Oxygen on Mars?
Manganese oxides are thought to be a signature of atmospheric oxygen. But on the Red Planet, recent results suggest they might be more of a red herring.