ScienceDaily: Top Science News |
- Scientists visualize how cancer chromosome abnormalities form in living cells
- Investigational malaria vaccine found safe and protective
- Pass the salt: Common condiment could enable new high-tech industry -- silicon nanostructures
- Atomic clock can simulate quantum magnetism
- Ozone hole might slightly warm planet, computer model suggests
- Hubble finds source of Magellanic Stream: Astronomers explore origin of gas ribbon wrapped around our galaxy
- Maya pyramid decorated with rare polychrome-painted stucco frieze
| Scientists visualize how cancer chromosome abnormalities form in living cells Posted: 08 Aug 2013 02:00 PM PDT For the first time, scientists have directly observed events that lead to the formation of a chromosome abnormality that is often found in cancer cells. The abnormality, called a translocation, occurs when part of a chromosome breaks off and becomes attached to another chromosome. |
| Investigational malaria vaccine found safe and protective Posted: 08 Aug 2013 11:21 AM PDT An investigational malaria vaccine has been found to be safe, to generate an immune system response, and to offer protection against malaria infection in healthy adults, according to new results. |
| Pass the salt: Common condiment could enable new high-tech industry -- silicon nanostructures Posted: 08 Aug 2013 11:21 AM PDT Chemists have identified a compound that could significantly reduce the cost and potentially enable the mass commercial production of silicon nanostructures -- materials that have huge potential in everything from electronics to biomedicine and energy storage. This extraordinary compound is called table salt. |
| Atomic clock can simulate quantum magnetism Posted: 08 Aug 2013 11:21 AM PDT Researchers have for the first time used an atomic clock as a quantum simulator, mimicking the behavior of a different, more complex quantum system. All but the smallest, most trivial quantum systems are too complicated to simulate on classical computers, hence the interest in quantum simulators to understand the quantum mechanical behavior of exotic materials such as high-temperature superconductors. |
| Ozone hole might slightly warm planet, computer model suggests Posted: 08 Aug 2013 09:45 AM PDT A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average temperature. Scientists, on the other hand, have long attributed a small cooling effect to the ozone shortage in the hole. Now a new computer-modeling study suggests that the ozone hole might actually have a slight warming influence, but because of its effect on winds, not temperatures. The new research suggests that shifting wind patterns caused by the ozone hole push clouds farther toward the South Pole, reducing the amount of radiation the clouds reflect and possibly causing a bit of warming rather than cooling. |
| Posted: 08 Aug 2013 09:33 AM PDT Astronomers have solved a 40-year mystery on the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around our Milky Way galaxy. New Hubble observations reveal that most of this stream was stripped from the Small Magellanic Cloud some 2 billion years ago, with a smaller portion originating more recently from its larger neighbor. |
| Maya pyramid decorated with rare polychrome-painted stucco frieze Posted: 07 Aug 2013 08:36 PM PDT A Maya pyramid beautifully decorated with a rare polychrome-painted stucco frieze was unearthed in July 2013 at the site of Holmul, a Classic Maya city in northeastern Peten region of Guatemala. The find came as an archaeological team excavated in a tunnel left open by looters. The stucco relief stands along the exterior of a multi-roomed rectangular building, measuring 8m in length and 2m in height. Much of the building still remains encased under the rubble of a later 20m-high structure. The carving is painted in red, with details in blue, green and yellow. |
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