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Coral Records Suggest El Nino Activity Rises Above Background
January 3, 2013 — By examining a set of fossil corals that are as much as 7,000 years old, scientists have dramatically expanded the amount of information available on the El Nino-Southern Oscillation, a Pacific Ocean ... > full story -
Fluctuating Environment May Have Driven Human Evolution
December 26, 2012 — A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers ... > full story -
Ups and Downs of Biodiversity After Mass Extinction
December 21, 2012 — The climate after the largest mass extinction so far 252 million years ago was cool, later very warm and then cool again. Thanks to the cooler temperatures, the diversity of marine fauna ballooned, ... > full story -
Crisis in Syria Has Mesopotamian Precedent, Experts Say
December 18, 2012 — New research has revealed intriguing parallels between modern day and Bronze-Age Syria as the Mesopotamian region underwent urban decline, government collapse, and ... > full story -
New Approach Allows Past Data to Be Used to Improve Future Climate Projections
November 29, 2012 — Climate scientists are still grappling with one of the main questions of modern times: how high will global temperatures rise if the atmospheric concentration of carbon dioxide doubles. Many ... > full story -
Skeletons in Cave Reveal Mediterranean Secrets
November 28, 2012 — Skeletal remains in an island cave in Favignana, Italy, reveal that modern humans first settled in Sicily around the time of the last ice age and despite living on Mediterranean islands, ate little ... > full story -
Ancient Microbes Found Living Beneath the Icy Surface of Antarctic Lake
November 26, 2012 — A pioneering study reveals, for the first time, a viable community of bacteria that survives and ekes out a living in a dark, salty and subfreezing environment beneath nearly 20 meters of ice in one ... > full storyMore: -
Using Biomarkers from Prehistoric Human Feces to Track Settlement and Agriculture
November 26, 2012 — Geoscientists have used a biomarker from human feces in a new way to establish the first human presence, the arrival of grazing animals and human population dynamics in a ... > full story -
Carbon Buried in the Soil Rises Again
November 5, 2012 — A team of researchers estimated that roughly half of the carbon buried in soil by erosion will be re-released into the atmosphere within about 500 years, and possibly faster due to climate ... > full story -
Climate Modeler Identifies Trigger for Earth's Last Big Freeze
November 5, 2012 — For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice Sheet, which ushered in the last major cold episode on Earth about 12,900 ... > full story
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