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Ancient Empires Produced Significant Greenhouse Gasses
An analysis of Greenland ice core samples indicates significant global methane emissions per capita during the Roman Empire and...
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Neighboring Black Holes Defy Predictions of Violent Interactions
Around the cosmos, black holes aren’t known for being the nicest neighbors. They tend to make their presence felt...
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Case of Missing Quasar Gas Clouds Now Solved
The case of the missing quasar gas clouds has been solved by a worldwide research team led by Penn...
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Remains of Fanged, Tiny Veggie Dinosaur Found
A “punk-sized” dinosaur with porcupine-like bristles featured some flashy stabbing self-sharpening fangs – although it likely only had a...
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With Limited Budgets, Pursuing Science Smartly
President Obama and his challenger, Mitt Romney, each responded at length to a question posed by ScienceDebate 2012 about...
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Switching Cause and Effect in the Quantum World
One of the most deeply rooted concepts in science and in our everyday life is causality; the idea that...
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The $1 Billion Journey to the Mantle of the Earth
In an unprecedented $1 billion mission to reach the Earth’s mantle, geologists are set to start drilling 3.7 miles...
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Tree Rings Reveal Amazon’s Rainfall History
Samples from eight cedar trees in Bolivia have helped shed light on the seasonal rainfall in the Amazon basin...
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Why We Need a Supercomputer on the Moon
Should we build a supercomputer on the moon? It would be a mammoth technical undertaking, but a University of...
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Study Finds A New Look at Genetic Factors in Intelligence Needed
A new study finds that most of the specific genes long thought to be linked to intelligence probably have...