Researchers devise dinosaur classification method
...as hardy identifiers People like teeth. The same mineral that helps us chaw our way to Thanksgiving bliss allows paleontologists like Smith to study a time period so far removed from our own that traces of bones and enamel are among the only clues to the past. Mesozoic-aged dinosaurs, living between 225 a...UW study shows deer in CWD zone stick to home
...e hypothesis is that areas where deer congregate - mineral licks, for example - may become hotspots for the disease. In those areas deer frequently lick the soil. They leave behind saliva that may also contain prions. Whether that behavior and the consumption of contaminated soil is at all associated with tr...'Acid rain' and forest mass: Another perspective
...aves, twigs, fruit, and so on), the first 25 cm of mineral soil and green foliage were taken and analysed chemically, according to standard protocols. The location of parcels was carried out as a function of their distance from different foci of emission of contaminants. A flow equilibrium model for the cano...Geologists use biotools to understand geosystems
... the soil, are those bacteria going to attach to a mineral surface or are they going to reach your well? Vir...ver in an atomic force microscope, lowered it to a mineral surface in water, and measured the exceptionally small approach and adhesion forces present. She use...EPA-led group finds same protein that attracts nutrient iron protects lung from particles
...nal supplements and parents tout the need for such mineral elements as calcium, zinc, phosphorus, iron and others. Iron, for example, is a nutritional prerequisite to power life itself. When blood doesn't get enough iron from the gut, we become anemic. One of the body's coping mechanisms is to produce more ...Protein structure key for AIDS, cell function
...t discoveries about how cells release calcium -- a mineral used in almost every cellular process. The findings also may offer insights into mechanisms involved in certain diseases, ranging from leukemia to diabetes and HIV-AIDS. Levels of the protein climb, for reasons unknown, when people fall ill, making...Killer microbe may be a lifesaver after all
...essing the question of how this microbe adsorbs to mineral surfaces and what the mechanism is for the uptake and reduction of heavy metals. This has signifi cant implications for bioremediation applications ifthese metals are radioactive and are reduced to insoluble form to prevent further spreading of the c...Taking a break from fractures: A closer look at vitamin D
... done to prevent them. Osteoporosis (reduced bone mineral density) is most common in older adults, particularly women. It is a major risk factor for bone fractures, which can cause significant suffering while carrying high economic costs. While vitamin D has been shown to reduce the risk of fracture in the ...Fundamental discovery -- bone fracture
...that the mechanical properties of bone depended on mineral particles and on collagen fibrils," said Hansma. "...nsisted of these collagen fibrils coated with tiny mineral crystals only a few atoms thick. What we found is that there is a glue in bone that holds these mine...Walk slowly for weight loss, according to University of Colorado study
...ner to measure fat mass, lean tissue mass and bone mineral content of the total body. They also measured the oxygen consumption and carbon dioxide production of the test subjects to determine the energy and calories expended while walking. As part of the ongoing research, the research team is using a uniq...Super predators and mass extinctions; extreme NMR; and the world's smallest solenoids
...Earth's magnetic field, or test the composition of mineral oils in wells. The key to the advance is developing an NMR system that makes use of the relatively weak magnetic field of the Earth, rather than fields from manmade magnets. NMR spectroscopy is an analytical technique that relies on the fact that the...Marine sponge yields nanoscale secrets
...ng as a template to guide the shape of the growing mineral (glass) that it produces. These discoveries are significant because they represent a low temperature, biotechnological, catalytic route to the nanostructural fabrication of valuable materials. Nature produces silica on a scale of gigatons thousands ...Rock on! Indiana limestone: NIST's first and latest SRM
...ts earliest Standard Reference Materials (SRMs), a mineral sample first distributed in 1910. Issue "d" of SRM 1 consists of a 70-gram sample of argillaceous ("containing clay") limestone quarried in Putnam County, Ind. NIST certifies each sample for concentrations of 12 major chemical constituents and offers...Polymer expert writes text about better, inexpensive ways to create plastic
...comprehensive and up-to-date overview of the major mineral and organic fillers for plastics may interest anyo... text details how inexpensive natural fillers from mineral resources (clays, mica or talc) can be upgraded by coating them with chemicals to make them more com...Scientists team up for multiyear studies of microbial mysteries
...cteria interact with and transfer electrons to the mineral surfaces on which they live. More than two dozen researchers from 16 institutions will participate in the three- to- five-year studies, with a PNNL investment of $2 million a year for each grand challenge, or around $10 million for the life of the p...Highlights of the May 2005 Journal of the American Dietetic Association
... questionnaires about their children's vitamin and mineral supplement intake beginning at six weeks of age up to 2 years. Results of the study included: Use of supplements by children during their first two years was "common behavior," even though the study also showed most of the children were obtaining a...Protective effect of calcium in reducing colon cancer polyps lasts for years
... the results at AACR. Calcium is the most abundant mineral in the body and is essential for the formation and...tients who had been randomized to daily use of the mineral during the trial had a significant reduction (36 percent) in the development of new adenoma polyps d...JCI table of contents May 1, 2005
...ignaling contributes to calcification and vascular mineral deposition. This work provides a better understanding of how vascular calcification arises in response to diabetes and a high fat diet. TITLE: Msx2 promotes cardiovascular calcification by activating paracrine Wnt signals AUTHOR CONTACT: Dwight To...Zinc supplementation improved mental performance of 7th-grade boys and girls
...ckages, and other uses. Zinc is a common essential mineral found in foods, particularly red meats, fish and grains. Previous studies have shown that zinc is needed for growth and immune function and may be important for eye-hand coordination and reasoning in very young children and in memory, muscle strength...'Mandela's Paradox' may show that osteoporosis propensity starts in pre-teen years
...and 10-year-olds compared for exercise level, bone mineral content Since it's accepted that physical activit...p between physical activity, or exercise, and bone mineral content (BMC) levels in black and white South African children was compared across the ages of 9 and...