ScienceDaily: Strange Science News |
- The molecule 'scanner': World's smallest terahertz detector invented
- Making a mini Mona Lisa: Nanotechnique creates image on surface less than a third the hair's width
- Questions answered with the pupils of your eyes
- 'Insect soup' holds DNA key for monitoring biodiversity
| The molecule 'scanner': World's smallest terahertz detector invented Posted: 05 Aug 2013 07:35 PM PDT Molecules could soon be "scanned" in a fashion similar to imaging screenings at airports, thanks to a new detector.  |
| Making a mini Mona Lisa: Nanotechnique creates image on surface less than a third the hair's width Posted: 05 Aug 2013 10:11 AM PDT Scientists have "painted" the Mona Lisa on a substrate surface approximately 30 microns in width -- or one-third the width of a human hair. The team's creation, the "Mini Lisa," demonstrates a technique that could potentially be used to achieve nanomanufacturing of devices because the team was able to vary the surface concentration of molecules on such short-length scales.  |
| Questions answered with the pupils of your eyes Posted: 05 Aug 2013 10:10 AM PDT Patients who are otherwise completely unable to communicate can answer yes or no questions within seconds with the help of a simple system -- consisting of just a laptop and camera -- that measures nothing but the size of their pupils. The tool takes advantage of changes in pupil size that naturally occur when people do mental arithmetic. It requires no specialized equipment or training at all.  |
| 'Insect soup' holds DNA key for monitoring biodiversity Posted: 05 Aug 2013 06:23 AM PDT Scientists have shown that sequencing the DNA of crushed up creepy crawlies can accelerate the monitoring and cataloguing of biodiversity around the world. New research shows that a process known as 'metabarcoding' is much faster than and just as reliable as standard biodiversity datasets assembled with traditional labor-intensive methods. The breakthrough means that changing environments and endangered species can be monitored more easily than ever before. It could help researchers find endangered tree kangaroos in Papua New Guinea, discover which moths will be wiped out by climate change, and restore nature to heathlands in the UK, rubber plantations in China, and oil-palm plantations in Sumatra.  |
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