ScienceDaily: Top Science News |
- Full color images at 100,000 dots-per-inch resolution, using metal-laced nano-structures
- Rat and ant rescues 'don't show empathy'
- How stress and depression can shrink the brain
| Full color images at 100,000 dots-per-inch resolution, using metal-laced nano-structures Posted: 12 Aug 2012 07:39 PM PDT Inspired by colorful stained-glass windows, researchers from Singapore have demonstrated an innovative method for producing sharp, full-spectrum color images at 100,000 dpi which can be applicable in reflective color displays, anti-counterfeiting, and high-density optical data recording. |
| Rat and ant rescues 'don't show empathy' Posted: 12 Aug 2012 01:08 PM PDT Studies of how rats and ants rescue other members of their species do not prove that animals other than humans have empathy, according to biologists. |
| How stress and depression can shrink the brain Posted: 12 Aug 2012 12:16 PM PDT Major depression or chronic stress can cause the loss of brain volume, a condition that contributes to both emotional and cognitive impairment. Now scientists have discovered one reason why this occurs -- a single genetic switch that triggers loss of brain connections in humans and depression in animal models. |
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