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RNA’s Hidden Abilities on Ancient Earth
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| Topic: Origin & Evolution of Life |
05/22/13 |
| Summary: A new study shows that RNA may have a more varied role in the cells of ancient organisms on the early Earth. |
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The Smell of Ancient Earth
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| Topic: Origin & Evolution of Life |
05/03/13 |
| Summary: Scientists have discovered tiny fossils in rocks around Lake Superior, Canada, that provide the first evidence of organisms eating each other. The study provides insight into Earth's ancient biosphere, and might indicate what our planet used to smell like. |
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What Happened to the Dinosaur's Predecessors?
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| Topic: Origin & Evolution of Life |
05/01/13 |
| Summary: Newly discovered fossils from 10 million years after Earth's largest mass extinction show that the ancestors of dinosaurs may have appeared much earlier than previously thought. |
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Ocean Ice Tubes Provide Clues to Life's Origin
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| Topic: Origin & Evolution of Life |
04/27/13 |
| Summary: A new study indicates that brinicles, sometimes called "sea stalactites," could have played a role in the origin of life. The findings might have implications in understanding life's potential on icy moons in our solar system. |
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Star- and Planet-Forming Regions May Hold Key to Life's Chirality
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| Topic: Origin & Evolution of Life |
04/24/13 |
| Summary: New research may help explain why life on Earth is made of left-handed amino acids. The study indicates that circular polarization in star- and planet-forming regions could affect the formation of organic material, such as amino acids. |
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New Study Points to Proteins and Salt for Life's Origin
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| Topic: Origin & Evolution of Life |
04/12/13 |
| Summary: A new study indicates that 10 amino acids believed to exist on the early Earth were capable of forming foldable proteins. The research suggests that these proteins could have been used in biological reactions in the first living cells. |
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Decoding the DNA of One of Earth's Great Survivors
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| Topic: Origin & Evolution of Life |
04/08/13 |
| Summary: Scientists have decoded the genome of one of Earth's most abundant turtle species. The findings can teach us a lot about evolution and the unique survival strategies of turtles. |
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The Power Behind the Primordial Soup
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| Topic: Origin & Evolution of Life |
04/07/13 |
| Summary: A new study shows that molecules similar to those used in generating energy in modern cells may have been formed on the early Earth when meteorites containing phosphorus crashed in the pools of hot, acidic liquid near around volcanoes. |
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Tadpole Shrimp Challenge Idea of "Living Fossils"
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| Topic: Origin & Evolution of Life |
04/04/13 |
| Summary: A new study on tadpole shrimps calls into question the use of the term 'living fossil.' Tadpole shrimp resemble ancient fossils, but the study shows that they are much younger in terms of their evolutionary history. |
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Bacteria with Electrical Wiring
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| Topic: Origin & Evolution of Life |
03/31/13 |
| Summary: A new study has revealed a bacterium that conducts electricity along metallic-like "microbial nanowires." |
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