News tagged with pearls
Scientists are first to 'unlock' the mystery of creating cultured pearls from the queen conch
Nov 04, 2009 |
4.3 / 5 (3) |
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For more than 25 years, all attempts at culturing pearls from the queen conch (Strombus gigas) have been unsuccessful—until now. For the first time, novel and proprietary seeding techniques to produce beaded ...
Fraud with cultured pearls can be detected
Jul 15, 2008 |
3.8 / 5 (5) |
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Scientists at the Johannes Gutenberg University Mainz (Germany) advise buyers of cultured pearls to be more vigilant. "In Germany too, we are increasingly seeing Chinese sweet-water cultured pearls being marketed as Japanese, ...
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Are angry women more like men?
Medicine & Health / Psychology & Psychiatry
Dec 04, 2009 |
4.1 / 5 (13) |
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"Why is it that men can be bastards and women must wear pearls and smile?" wrote author Lynn Hecht Schafran. The answer, according to an article in the Journal of Vision, may lie in our interpretation of facial expressions.
Magnetic mixing creates quite a stir (w/ Video)
Oct 27, 2009 |
4.8 / 5 (6) |
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Sandia researchers have developed a process that can mix tiny volumes of liquid, even in complicated spaces.
Herschel views deep-space pearls on a cosmic string
Oct 02, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- Herschel has delivered spectacular vistas of cold gas clouds lying near the plane of the Milky Way, revealing intense, unexpected activity. The dark, cool region is dotted with stellar factories, ...
Evolutionarily preserved mechanism governs use of genes
Aug 18, 2009 |
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Researchers at Uppsala University have found that the protein coding parts of a gene are packed in special nucleosomes. The same type of packaging is found in the roundworm C elegans, which is a primeval relative of humans ...
Protein folding: Diverse methods yield clues
Aug 06, 2009 |
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(Aug. 6, 2009) -- Rice University physicists have written the next chapter in an innovative approach for studying the forces that shape proteins -- the biochemical workhorses of all living things.
Pushmi-pullyu of B-cell development discovered
Jun 25, 2009 |
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James Hagman, Ph.D., professor of immunology at National Jewish Health and his colleagues have identified two "molecular motors" that work in opposing directions to control the development of B cells in the immune system.
Big Bear Solar Observatory captures sun's magnetic field
Space & Earth / Space Exploration
May 19, 2009 |
4.7 / 5 (12) |
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NJIT's new 1.6-meter clear aperture solar telescope—the largest of its kind in the world—is now operational. The unveiling of this remarkable instrument—said to be the pathfinder for all future, large ground-based ...
When every photon counts
Apr 20, 2009 |
5 / 5 (2) |
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The eyes of nocturnal mammals contain particularly large numbers of the highly light-sensitive rods, the photoreceptor type used for night vision. This allows the detection of light levels millions of times ...
Bent tectonics: How Hawaii was bumped off
Space & Earth / Earth Sciences
Apr 03, 2009 |
3.8 / 5 (6) |
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More than 80 undersea volcanoes and a multitude of islands are dotted along the Hawaii-Emperor seamount chain like pearls on a necklace. A sharp bend in the middle is the only blemish. The long-standing explanation for this ...
Researchers develop nano-sized 'cargo ships' to target and destroy tumors
Nanotechnology / Bio & Medicine
Sep 12, 2008 |
4.9 / 5 (50) |
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Scientists have developed nanometer-sized 'cargo ships' that can sail throughout the body via the bloodstream without immediate detection from the body's immune radar system and ferry their cargo of anti-cancer ...
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