Search results for 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, ...
String of Fullerene Pearls
Nov 30, 2007 |
4.1 / 5 (18) |
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Under an atomic force microscope, the tiny structures look like fragments of nanoscopic pearl necklaces. In reality, the “pearls” are fullerene molecules that are linked together by means of a special fullerene-binding molecule. ...
Cassini Image Shows Saturn Draped in a String of Pearls
Oct 11, 2006 |
3.9 / 5 (38) |
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Saturn appears dressed to the nines, "wearing" a strand of "pearls" in a stunning infrared image from the Cassini spacecraft that showcases a meteorological phenomenon.
Herschel views deep-space pearls on a cosmic string
Oct 02, 2009 |
4.7 / 5 (6) |
5
(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, ...
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.
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 ...
New cements for vertebral lesions
Feb 07, 2008 |
4 / 5 (1) |
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A number of researchers at the Department of Polymer Science and Technology at the Chemistry Faculty from San Sebastian at the University of the Basque Country, led by Ms Isabel Goñi and Ms Marilo Gurrutxaga, are studying ...
Endangered mussels reproducing at hatchery
Oct 10, 2006 |
3.5 / 5 (4) |
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Endangered freshwater mussels appear to be doing well at a hatchery in Wales, sparking hopes that they have a future in the rivers of Britain.
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.
Uranium 'pearls' before slime
Biology /
Aug 08, 2006 |
4.9 / 5 (48) |
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Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do ...
NASA's micro-satellites complete mission
Space & Earth / Space Exploration
Jun 30, 2006 |
5 / 5 (3) |
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NASA says its three orbiting micro-satellites known as Space Technology 5 have completed their planned 90-day mission and will conclude operations.
Coming Soon: Protein Synthesis Without Amino Acids?
Jul 19, 2007 |
4.4 / 5 (21) |
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Usually, the synthesis of short protein chains (polypeptides) begins with the production of their components, the amino acids. But it can be done differently: In the journal Angewandte Chemie, Chinese researchers report a ...
Nanoparticles improve delivery of medicines and diagnostics
Nanotechnology / Bio & Medicine
Apr 10, 2007 |
4 / 5 (9) |
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Tiny, biodegradable particles filled with medicine may also contain answers to some of the biggest human health problems, including cancer and tuberculosis. The secret is the size of the package.
Janus particles offer new physics, new technology
Physics /
Mar 13, 2006 |
4.1 / 5 (13) |
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In Roman mythology, Janus was the god of change and transition, often portrayed with two faces gazing in opposite directions. At the University of Illinois at Urbana-Champaign, Janus particles are providing ...
