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Hot Topic
Origins
Origin & Evolution of Life
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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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Salmon May Use Magnetic Field to Navigate
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| Topic: Origin & Evolution of Life |
02/09/13 |
| A new study shows that salmon may use the geomagnetic field to navigate across thousands of miles of open ocean to locate their river of origin. |
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Dung Beetles of the Stars
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| Topic: Origin & Evolution of Life |
01/27/13 |
| Scientists have proven that dung beetles use the Milky Way for orientation. The insects use the gradient of light to dark in the night sky to guide them as they roll their balls in a straight line. |
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When Living Cells Meet Synthetic Proteins
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| Topic: Origin & Evolution of Life |
01/27/13 |
| A new paper describes the peculiar adaptations exhibited by the bacterium E. coli when cells are exposed to a synthetic protein. The study is helping scientists understand how synthetic biology could be beneficial in areas such as medicine. |
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'Quadruple Helix' DNA Discovered in Humans
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| Topic: Origin & Evolution of Life |
01/22/13 |
| Researchers have proved that four-stranded 'guadruple helix' DNA structures exist within the human genome. The finding could have implications in the treatment of cancer. |
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Tracking the Great Oxidation Event
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| Topic: Origin & Evolution of Life |
01/20/13 |
| A new study shows that multicellular cyanobacteria arose much earlier than previously believed. Multicellularity developed in cyanobacteria at almost the same time as the oxygenation of Earth's atmosphere, and around one billion years earlier than eukaryotes. |
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