ScienceDaily: Top Technology News |
- Researchers discover superatoms with magnetic shells
- New 3-D tumor model: Step toward speeding cancer drug research
- 'Biological circuit' components developed; New microscope technique for measuring them
- Astronomers find a new class of stellar explosions
- Water's surface not all wet: Some water molecules split the difference between gas and liquid
- 'Catch and release' program could improve nanoparticle safety assessment
- Tuning 'metasurface' with fluid in new concept for sensing and chemistry
| Researchers discover superatoms with magnetic shells Posted: 08 Jun 2011 12:35 PM PDT A team of scientists has discovered a new class of 'superatoms' -- a stable cluster of atoms that can mimic different elements of the periodic table -- with unusual magnetic characteristics.  |
| New 3-D tumor model: Step toward speeding cancer drug research Posted: 08 Jun 2011 11:15 AM PDT A team of scientists has developed a way to coax tumor cells in the lab to grow into 3-D spheres. Their discovery takes advantage of an earlier technique of producing spherical cavities in a common polymer and promises more accurate tests of new cancer therapies.  |
| 'Biological circuit' components developed; New microscope technique for measuring them Posted: 08 Jun 2011 11:15 AM PDT Electrical engineers have long been toying with the idea of designing biological molecules that can be directly integrated into electronic circuits. Researchers have developed a way to form these structures so they can operate in open-air environments, and, more important, have developed a new microscope technique that can measure the electrical properties of these and similar devices.  |
| Astronomers find a new class of stellar explosions Posted: 08 Jun 2011 10:13 AM PDT They're bright and blue -- and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers. Among the most luminous in the cosmos, these new kinds of supernovae could help researchers better understand star formation, distant galaxies, and what the early universe might have been like.  |
| Water's surface not all wet: Some water molecules split the difference between gas and liquid Posted: 08 Jun 2011 10:13 AM PDT At any one time, one quarter of water molecules in the uppermost layer have one hydrogen atom in water and the other vibrating freely above. Such molecules straddle gas and liquid phases, according to a new study that bears on atmospheric chemistry and raises the question of how exactly to define the air-water boundary.  |
| 'Catch and release' program could improve nanoparticle safety assessment Posted: 08 Jun 2011 09:31 AM PDT Scientists have found a way to trap and release nanoparticles at will, a research technique useful for studying how the particles behave in biological systems.  |
| Tuning 'metasurface' with fluid in new concept for sensing and chemistry Posted: 08 Jun 2011 09:30 AM PDT Researchers have demonstrated a unique fluid-tuned "metasurface," a concept that may be useful in biomedical sensors and microwave-assisted chemistry.  |
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