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- Experiment opens the door to multi-party quantum communication
- Electric 'thinking cap' controls learning speed
- Engineers design 'living materials': Hybrid materials combine bacterial cells with nonliving elements that emit light
- 3-D model links facial features and DNA
- Vast gene-expression map yields neurological, environmental stress insights
| Experiment opens the door to multi-party quantum communication Posted: 23 Mar 2014 03:44 PM PDT In the world of quantum science, Alice and Bob have been talking to one another for years. Charlie joined the conversation a few years ago, but now with spacelike separation, scientists have measured that their communication occurs faster than the speed of light. For the first time, physicists have demonstrated the distribution of three entangled photons at three different locations (Alice, Bob and Charlie) several hundreds of meters apart, proving quantum nonlocality for more than two entangled photons. |
| Electric 'thinking cap' controls learning speed Posted: 23 Mar 2014 02:19 PM PDT Caffeine-fueled cram sessions are routine occurrences on any college campus. But what if there was a better, safer way to learn new or difficult material more quickly? What if "thinking caps" were real? Scientists have now shown that it is possible to selectively manipulate our ability to learn through the application of a mild electrical current to the brain, and that this effect can be enhanced or depressed depending on the direction of the current. |
| Posted: 23 Mar 2014 12:21 PM PDT Inspired by natural materials such as bone -- a matrix of minerals and other substances, including living cells -- engineers have coaxed bacterial cells to produce biofilms that can incorporate nonliving materials, such as gold nanoparticles and quantum dots. These "living materials" combine the advantages of live cells, which respond to their environment, produce complex biological molecules, and span multiple length scales, with the benefits of nonliving materials, which add functions such as conducting electricity or emitting light. |
| 3-D model links facial features and DNA Posted: 20 Mar 2014 02:33 PM PDT DNA can already tell us the sex and ancestry of unknown individuals, but now an international team of researchers is beginning to connect genetics with facial features, degrees of femininity and racial admixture. The researchers looked at both actual physical face shape and genetic markers of face shape. |
| Vast gene-expression map yields neurological, environmental stress insights Posted: 18 Mar 2014 06:40 AM PDT The largest survey yet of how information encoded in an animal genome is processed in different organs, stages of development, and environmental conditions has been conducted, leading to findings that paint a new picture of how genes function in the nervous system and in response to environmental stress. |
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