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Hot Topic
Origins
Origin & Evolution of Life
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The P-T Extinction was a Slow Death
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| Topic: Origin & Evolution of Life |
02/05/12 |
| New research shows that mass extinctions need not be sudden events. The deadliest extinction known in Earth's history may have killed in stages. |
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A New Pathway to Life's Origin
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| Topic: Origin & Evolution of Life |
02/04/12 |
| Scientists have shown that sugars essential for life to begin can be produced by a previously unknown pathway. For decades, chemists thought that the formose reaction was the only route for sugar production, but the new study may push research in pre-life chemistry past this hurdle. |
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A New Clue into the Origin of Life
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| Topic: Origin & Evolution of Life |
01/27/12 |
| A new study is helping to establish the origin of the carbohydrates that form the building blocks of life. |
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Avalanche of Reactions at the Origin of Life
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| Topic: Origin & Evolution of Life |
01/20/12 |
| Scientists have discovered that two mechanisms crucial to life could have arisen in the hostile environment of volcanic-hydrothermal flow channels. |
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A Salt-Free Primordial Soup?
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| Topic: Origin & Evolution of Life |
01/19/12 |
| Most scientists who study the origin of life assume that it occurred in the ocean. But a minority view is that ions in seawater may interfere with prebiotic chemistry, making a freshwater environment more likely. |
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Yeast Indictate Origins of Multi-Cellularity
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| Topic: Origin & Evolution of Life |
01/18/12 |
| Biologists have long wondered how sing-celled organisms on the Earth began forming multicellular clusters some 500 million years ago. Now, scientists have replicated this key step in the evolution of life. |
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Why Did Life Begin to Produce Oxygen?
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| Topic: Origin & Evolution of Life |
01/17/12 |
| By analyzing protein folds from organisms representing every domain of life, a team of scientists has assembled a timeline of 'protein history' that could explain why life began to produce oxygen on Earth. |
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