ScienceDaily: Top Science News |
- Cooling semiconductors by laser light
- Vaccines to boost immunity where it counts, not just near shot site
- Gene critical to sense of smell in fruit fly identified
| Cooling semiconductors by laser light Posted: 22 Jan 2012 12:25 PM PST Researchers have combined two fields -- quantum physics and nano physics -- and this has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors are vital components in many electronics, and the efficient cooling of components is important for future quantum computers and ultrasensitive sensors. The new cooling method works quite paradoxically by heating the material. Using lasers, researchers cooled membrane fluctuations to minus 269 degrees C.  |
| Vaccines to boost immunity where it counts, not just near shot site Posted: 22 Jan 2012 12:25 PM PST Researchers have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses.  |
| Gene critical to sense of smell in fruit fly identified Posted: 19 Jan 2012 10:04 PM PST Fruit flies don't have noses, but a huge part of their brains is dedicated to processing smells. Flies probably rely on the sense of smell more than any other sense for essential activities such as finding mates and avoiding danger. Researchers have discovered that a gene called distal-less is critical to the fly's ability to receive, process and respond to smells.  |
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