News tagged with biology
Researchers uncover chemical basis for extra 'quality control' in protein production
17 hours ago |
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December 9, 2009 -Even small errors made by cells during protein production can have profound disease effects, and nature has developed ways to uncover these mistakes and correct them. Though in the case of one essential ...
Newly discovered mechanism allows cells to change state
21 hours ago |
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Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.
Researchers Identify the Most Promiscuous Birds in the World
Dec 09, 2009 |
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(PhysOrg.com) -- UConn ornithologist Chris Elphick and his colleagues carried out DNA tests to discover the paternity of Saltmarsh Sparrow nestlings.
One Can Act Without Group Support; Even in the Bacterial World
Dec 08, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- A single bacterium can act alone, performing the same kinds of actions that a group normally does. The behavior of that bacterium can be manipulated at the cellular level. That’s the intriguing ...
'Shoot-'em-up' video game increases teenagers' science knowledge
Dec 08, 2009 |
4.2 / 5 (6) |
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While navigating the microscopic world of immune system proteins and cells to save a patient suffering from a raging bacterial infection, young teenage players of the "Immune Attack" video game measurably improved their understanding ...
Scientists show that female fruit flies can be 'too attractive' to males
Dec 08, 2009 |
4.7 / 5 (3) |
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Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive ...
Precision breeding creates super potato
Dec 08, 2009 |
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The skin is light brown, the meat luscious and yellow: from the outside alone, this new potato looks like any other. But on the inside, it is different. Its cells produce pure amylopectin, a starch used in ...
Researchers demonstrate nanoscale X-ray imaging of bacterial cells
Dec 07, 2009 |
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An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...
Study shows gene positions may aid cancer diagnosis
Dec 07, 2009 |
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Certain genes switch their nuclear position in tumor cells, offering a potential new method of diagnosing cancer, say researchers from the National Cancer Institute. The study by Meaburn et al. will be published ...
