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Low Extinction Rates Made California a Refuge for Diverse Plant Species
January 9, 2013 The remarkable diversity of California's plant life is largely the result of low extinction rates over the past 45 million years, according to a new study. Although many new species have evolved in ... > full story -
Jurassic Ecosystems Were Similar to Modern: Animals Flourish Among Lush Plants
January 8, 2013 In modern ecosystems, animals flourish amid lush vegetation. That was true 150 million years ago too, says a new study by paleontologists. They applied ecological principles to geochemical data from ... > full story -
Who Deforested Central Africa: Humans or Climate?
January 7, 2013 It is a much debated question: why did Central African forests become partially fragmented between 2,500 and 2,000 years ago, leaving room for more open forest landscapes and savannah? Recently, ... > full story -
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:
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