ScienceDaily: Strange Science News |
- Light slowed to a crawl in liquid crystal matrix
- Cost of sustainable red light camera programs? Shortening yellow lights and increasing speed limits results in more crashes
- High-angle helix helps bacteria swim
- Decellularized mouse heart beats again after regenerating with human heart precursor cells
- A hypnotic suggestion can generate true and automatic hallucinations
| Light slowed to a crawl in liquid crystal matrix Posted: 13 Aug 2013 05:14 PM PDT Light traveling in a vacuum is the Universe's ultimate speed demon, racing along at approximately 300,000 kilometers/second. Now scientists have found an effective new way to put a speed bump in light's path. Researchers have embedded dye molecules in a liquid crystal matrix to throttle the group velocity of light back to less than one billionth of its top speed.  |
| Posted: 13 Aug 2013 05:14 PM PDT Scientists have analyzed traffic control measures intended to boost red light revenue -- such as shortening yellow light time or increasing the speed limit on a street -- to determine if they compromise safety.  |
| High-angle helix helps bacteria swim Posted: 13 Aug 2013 10:45 AM PDT It's counterintuitive but true: Some microorganisms that use flagella for locomotion are able to swim faster in gel-like fluids such as mucus. Research engineers have now figured out why. It's the angle of the coil that matters.  |
| Decellularized mouse heart beats again after regenerating with human heart precursor cells Posted: 13 Aug 2013 08:23 AM PDT For the first time, a mouse heart beat again after its own cells were stripped and replaced with human heart precursor cells. The findings show the promise that regenerating a functional organ by placing human induced pluripotent stem cells -- which could be personalized for the recipient -- in a three-dimensional scaffold could have for transplantation and understanding heart development.  |
| A hypnotic suggestion can generate true and automatic hallucinations Posted: 13 Aug 2013 07:10 AM PDT Scientists have found evidence that hypnotic suggestion can modify processing of a targeted stimulus before it reaches consciousness. The experiments show that it is possible to hypnotically modulate even highly automatic features of perception, such as color experience.  |
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