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Where We Split From Sharks
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| Topic: Origin & Evolution of Life |
06/16/12 |
| Summary: The common ancestor of all jawed vertebrates on Earth may have resembled a shark. |
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Expanding the Genetic Alphabet
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| Topic: Origin & Evolution of Life |
06/07/12 |
| Summary: A new study suggests that the replication process for DNA is more open to unnatural base pairs than previously thought. An expanded 'DNA alphabet' could carry more information than natural DNA. |
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Channeling our Ion Past
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| Topic: Origin & Evolution of Life |
06/07/12 |
| Summary: To understand how the first cells transported ions across their membranes, researchers are studying simple channels used by fungi to kill off bacteria. |
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Iron's Role in Early Life
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| Topic: Origin & Evolution of Life |
06/06/12 |
| Summary: A new study shows that when life began on Earth, iron may have helped RNA assume the molecular shapes necessary for biology. Today, this role is played by magnesium. |
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Time to Shift from Dinosaurs to Birds
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| Topic: Origin & Evolution of Life |
05/30/12 |
| Summary: A new study has shown that birds are essentially living dinosaurs, with skulls that are similar to those of their juvenile ancestors. |
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A Challenge to Find Life's Origin
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| Topic: Origin & Evolution of Life |
05/25/12 |
| Summary: A private philanthropist will shortly announce the winner(s) of his Origin of Life $50K Challenge. The prize is awarded to the "best proposal detailing 'first life.'" |
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A Turtle the Size of a Smart Car
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| Topic: Origin & Evolution of Life |
05/20/12 |
| Summary: Researchers have described a new extinct giant turtle species from the same location in which the giant snake 'Titanoboa' was discovered. The extinct turtle could shed new light on the links between the ancient climate and biosphere of Earth. |
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How Handedness Arises
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| Topic: Origin & Evolution of Life |
05/13/12 |
| Summary: A new study is helping scientists understand how chirality, or 'handedness,' occurs in the majority of proteins and functional molecules in living organisms on Earth. |
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