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No Safety in Numbers from Mass Extinctions
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| Topic: Origin & Evolution of Life |
05/09/12 |
| Summary: By analyzing more than 46,000 fossils from 52 sites, scientists are revealing new information about the complex relationship between species abundance and extinction. |
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Did Dino Farts Warm the Earth?
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| Topic: Origin & Evolution of Life |
05/08/12 |
| Summary: Sauropod dinosaurs may have produced enough methane to warm the climate of Earth millions of years ago. |
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Some Dinosaurs Were Declining Before the Mass Extinction
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| Topic: Origin & Evolution of Life |
05/02/12 |
| Summary: A new study is helping scientists understand whether or not dinosaurs were already undergoing a long-term decline before an asteroid struck the planet Earth at the end of the Cretaceous period. |
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The End of Ammonoids
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| Topic: Origin & Evolution of Life |
04/24/12 |
| Summary: Over the course of 300 million years, Ammonoids survived three mass extinctions only to die out at the end of the Cretaceous. |
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Evidence for a Geologic Trigger of the Cambrian Explosion
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| Topic: Origin & Evolution of Life |
04/22/12 |
| Summary: A geological curiosity known as the 'Great Unconformity' may help scientists understand why life on Earth went through a dramatic period of diversification some 600 million years ago. |
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Is Water Essential to Life?
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| Topic: Origin & Evolution of Life |
04/18/12 |
| Summary: New research is challenging one of the key beliefs in chemistry: that proteins are dependent on water to survive and function. The results could have profound implications in the search for life in our solar system. |
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What Triggers a Mass Extinction?
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| Topic: Origin & Evolution of Life |
04/12/12 |
| Summary: Scientists have created a framework for weighing the factors that might have led to the second-largest mass extinction in Earth's history. The research reveals that the majority of extinctions on Earth were caused by habitat loss due to falling sea levels and cooling tropical oceans. |
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In the Beginning.. was the Beaker?
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| Topic: Origin & Evolution of Life |
04/04/12 |
| Summary: Researchers are moving closer to understanding how cells begin to duplicate their DNA, and ultimately replicate themselves. The study sheds new light on processes that underlie the origin and evolution of life as we know it. |
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