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Hot Topic
Origins
Origin & Evolution of Life
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Enzymes Simplify DNA Code
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| Topic: Origin & Evolution of Life |
03/25/13 |
| A new study shows that DNA molecules can be transcribed into a molecule known as TNA, and then reverse transcribed back to DNA with the aid of commercially available enzymes. |
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Working at the Extreme Edge of Cosmic Ice
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| Topic: Origin & Evolution of Life |
03/10/13 |
| Scientists are creating ice in the laboratory under extreme cold and low temperatures. The study is helping astrobiologists study the chemistry of ice below the surface of planets and moons as well as ice in space. |
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New Insights into the Origin of Life
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| Topic: Origin & Evolution of Life |
03/08/13 |
| Researchers have uncovered important genetic clues about the history of archaea and the origins of life itself. The new study may indicate that the ability to make DNA formed late in life's evolution on Earth. |
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How Did Primordial Cells Evolve?
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| Topic: Origin & Evolution of Life |
03/05/13 |
| New research examines how primitive cells could have evolved without structures like protein machinery or cell walls. The study could shed light on how the earliest forms of cellular life on Earth may have replicated. |
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Icy Start for Amino Acid and DNA Ingredients
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| Topic: Origin & Evolution of Life |
03/02/13 |
| Researchers have discovered an important pair of prebiotic molecules in interstellar space, indicating that some basic chemicals that are key to the origin of life may have formed on dusty ice grains floating between the stars. |
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Ancient Sea Creatures Yield Oldest Fossil Biomolecules
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| Topic: Origin & Evolution of Life |
02/21/13 |
| Scientists have found 350-million-year-old fossils that contain intact organic molecules sealed in their pores. Prior to this discovery, it was thought that complex organic molecules couldn't survive fossilization. |
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Stay Cool, Live Longer?
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| Topic: Origin & Evolution of Life |
02/16/13 |
| A new study could suggest that exposure to cold air may promote longevity in mammals. |
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Self-Assembling Molecules May Point to Life's Origin
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| Topic: Origin & Evolution of Life |
02/14/13 |
| Scientists have reported that a pair of RNA-like molecules can spontaneously assemble into gene-length chains. A similar process may have led to the evolution of RNA and life itself billions of years ago. |
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