Mineral
hideA mineral is a naturally occurring solid formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties. A rock, by comparison, is an aggregate of minerals and/or mineraloids, and need not have a specific chemical composition. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms. The study of minerals is called mineralogy.
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News tagged with mineral
Rare Scottish mineral may indicate life on Mars
Space & Earth / Space Exploration
12 hours ago |
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(PhysOrg.com) -- A team of NASA (National Aeronautics and Space Administration) scientists is looking for clues about life on Mars in an earthy clay mineral found only in Aberdeenshire in Scotland.
Sticks and stones break bones, but new study may prevent it
Dec 09, 2009 |
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The best way to prevent a fracture is to stop bones from reaching the point where they are prone to breaking, but understanding the process of how bones form and mature has been challenging. Now researchers at the University ...
Microscopy reveals structure of calcite shells
Nov 30, 2009 |
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(PhysOrg.com) -- Lara Estroff and colleagues have taken a deep, detailed look at the way lab-created calcite crystals, similar to those found in nature, grow in tandem with proteins and other large molecules.
Flaxseed oil and osteoporosis
Nov 23, 2009 |
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Animal studies suggest that adding flaxseed oil to the diet could reduce the risk of osteoporosis in post-menopausal women and women with diabetes, according to a report to be published in the International Journal of Fo ...
Unique Uranium Source in Naturally Bioreduced Sediment
Nov 18, 2009 |
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(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding ...
Fighting climate change by turning CO2 to stone
Nov 17, 2009 |
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(PhysOrg.com) -- While politicians debate the best ways to cut global carbon dioxide emissions, researchers at Idaho National Laboratory's Center for Advanced Energy Studies are charging ahead on a strategy ...
Teriparatide outperforms alendronate in treating steroid-induced osteoporosis
Oct 29, 2009 |
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A recent study determined glucocorticoid-induced osteoporosis (OP) is now treatable with Teriparatide, a synthetic form of the human parathyroid hormone. Researchers found patients with glucocorticoid-induced OP who were ...
Gluten-free diet reduces bone problems in children with celiac disease
Oct 08, 2009 |
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Celiac disease (CD) is an inherited intestinal disorder characterized by life-long intolerance to the ingestion of gluten, a protein found in wheat, rye, and barley. Although CD can be diagnosed at any age, it commonly occurs ...
Wrist fracture patients less likely to be evaluated for osteoporosis
Oct 01, 2009 |
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A study published in the October 2009 issue of the Journal of Bone and Joint Surgery suggests a disconnect between the way wrist-fracture patients and those with a spine or hip fracture are managed and evaluated. The s ...
Open wide and say 'zap'
Aug 18, 2009 |
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A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express,, by measuring how the surface of a tooth respon ...
Magnetic microbe genome attracting attention for biotech research
Aug 11, 2009 |
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The smallest organisms to use a biological compass are magnetotactic bacteria, however mysteries remain about exactly how these bacteria create their cellular magnets. In a study published online in Genome Re ...
Metabolic bone disease in cirrhosis patients
Aug 10, 2009 |
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Long-standing liver disease has long been recognized to result in fragile bones with increased risk of fractures. In various international studies, the overall incidence has varied from 11% to 48%, with a fracture rate of ...
Japan to use deep-sea probes to search for minerals
Space & Earth / Earth Sciences
Aug 06, 2009 |
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Japan plans to deploy unmanned probes to scour the sea-floor around the resource-poor island nation for mineral deposits, a government-backed scientific organisation said Thursday.
Scientists closer to making implantable bone material
Jul 26, 2009 |
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(PhysOrg.com) -- Scientists are closer to understanding how to grow replacement bones with stem cell technology, thanks to research published today in the journal Nature Materials.
Alternative agricultural practices combine productivity and soil health
Jul 24, 2009 |
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The progressive degradation of useful soils for agriculture and farm animal husbandry is a growing environmental and social problem, given that it endangers the food safety of an increasing world population. This fact prompted ...
