ScienceDaily: Strange Science News |
- Evolution of birds is result of a drastic change in how dinosaurs developed
- The special scent of age: Body odor gives away age
- Could sarcastic computers be in our future? New math model can help computers understand inference
- Nanodevice manufacturing strategy using DNA 'Building blocks'
- Why Earth is not an ice ball: Possible explanation for faint young sun paradox
- Pollution deadening contruction: Nanoparticle coating interacts with sunlight to eliminate contaminants
- Hear to see: New method for the treatment of visual field defects
- Cellular computers? Scientists train cells to perform boolean functions
- Short movies stored in an atomic vapor
| Evolution of birds is result of a drastic change in how dinosaurs developed Posted: 30 May 2012 06:21 PM PDT Researchers have found evidence that the evolution of birds is the result of a drastic change in how dinosaurs developed. Scientists have long understood that modern birds descended from dinosaurs. Rather than take years to reach sexual maturity, as many dinosaurs did, birds sped up the clock -- some species take as little as 12 weeks to mature -- allowing them to retain the physical characteristics of baby dinosaurs.  |
| The special scent of age: Body odor gives away age Posted: 30 May 2012 02:24 PM PDT Humans can identify the age of other humans based on differences in body odor. Much of this ability is based on the capacity to identify odors of elderly individuals, and contrary to popular supposition, the so-called "old-person smell" is rated as less intense and less unpleasant than body odors of middle-aged and young individuals.  |
| Could sarcastic computers be in our future? New math model can help computers understand inference Posted: 30 May 2012 12:23 PM PDT Researchers have created a mathematical model that helps predict pragmatic reasoning and may eventually lead to the manufacture of machines that can better understand inference, context and social rules.  |
| Nanodevice manufacturing strategy using DNA 'Building blocks' Posted: 30 May 2012 12:22 PM PDT Researchers have developed a method for building complex nanostructures out of interlocking DNA "building blocks" that can be programmed to assemble themselves into precisely designed shapes. With further development, the technology could one day enable the creation of new nanoscale devices that deliver drugs directly to disease sites.  |
| Why Earth is not an ice ball: Possible explanation for faint young sun paradox Posted: 30 May 2012 12:20 PM PDT More than 2 billion years ago, a much fainter sun should have left the Earth as an orbiting ice ball. Why we avoided the deep freeze is a question that has puzzled scientists, but one astronomer might have an answer.  |
| Posted: 30 May 2012 07:04 AM PDT Researchers have developed a type of coating for construction materials. It is based on nanoparticles that interact with sunlight and trigger a chemical reaction that eliminates certain air pollutants. It is reckoned that the reduction in atmospheric pollution could be 90% of nitrogen oxides, 80% of hydrocarbons, and 75% of carbon monoxides emitted.  |
| Hear to see: New method for the treatment of visual field defects Posted: 30 May 2012 07:02 AM PDT Patients who are blind in one side of their visual field benefit from presentation of sounds on the affected side. After passively hearing sounds for an hour, their visual detection of light stimuli in the blind half of their visual field improved significantly. Neural pathways that simultaneously process information from different senses are responsible for this effect.  |
| Cellular computers? Scientists train cells to perform boolean functions Posted: 30 May 2012 07:00 AM PDT Scientists have engineered cells that behave like AND and OR Boolean logic gates, producing an output based on one or more unique inputs. This feat could eventually help researchers create computers that use cells as tiny circuits.  |
| Short movies stored in an atomic vapor Posted: 29 May 2012 11:44 AM PDT A two-frame "movie" has been stored for the first time in a vapor of room-temperature rubidium atoms.  |
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