Yucca Mountain is high and dry, say USGS scientists
Yucca Mountain's long-term hydrologic stability makes it a potential site for storing nuclear waste. Calcite and opal deposits indicate minimal water flow into the mountain's cavities.
Search results for “Minerals”
1,000+ results for "Minerals"
American Heart Association media advisory: long-term intake of dietary fiber and decreased risk of coronary heart disease among women
Eating a diet high in cereal fiber can help reduce a woman's risk of heart attack, with the highest fiber consumers having a 23% reduced risk of heart disease. The study also found that smoking less, exercising more and eating foods high in vitamins and minerals were associated with higher fiber intake.
Marine Life In South Pacific Region Found To Be Impervious To Oceans' Highest Arsenic Levels
Researchers discover that iron minerals in sediment protect marine organisms from extreme arsenic levels. The study suggests that natural processes can be harnessed to develop new methods for treating arsenic-tainted waste.
Food Fight Among Student Product Developers To Be Resolved At IFT Annual Meeting In July
Six university teams will showcase their innovative food products, including Sweet Spots, Jammm Singles, and Tater Stuffs. The teams will compete for top honors based on product originality, feasibility, innovativeness, and market potential.
Fortified Drink For Pregnant, Lactating Women
A two-year study of 350 pregnant women in Tanzania is being conducted to evaluate the effectiveness of a simple fortified drink in improving iron and general nutritional status. The drink, made with 11 vitamins and minerals, has shown promising results in improving anemia and other nutritional deficiencies in Tanzanian children.
Zinc Reduces Child Mortality By More Than 34%
A randomized controlled trial found that zinc supplementation significantly reduced mortality in low-birth weight Indian children. Zinc also reduced diarrheal prevalence and pneumonia incidence in international studies.
Mixing Radiation, Minerals, Toxic Waste Could Be Cleanup Boon -- Or Kaboom
Researchers found that common soil minerals can work with ionizing radiation to break down toxic chlorinated chemicals into simpler compounds. However, this process may produce volatile gases, posing a risk of explosion at storage tanks like Hanford's.
Can We Prevent Hearing Loss In Elderly Women?
A recent study found that women with impaired hearing had lower blood levels of vitamin B-12 and folate compared to those with normal hearing. The researchers suggest that dietary recommendations aimed at influencing the course of age-related hearing loss may be possible, but more advanced studies are needed.
SourceAmerican Society for Clinical Nutrition/American Society for Nutritional Sciences·JournalAmerican Journal of Clinical Nutrition·DateMar 30, 1999
News About Osteoporosis: Fruits And Vegetables Prevent Bone Decay
A new study published in the American Journal of Clinical Nutrition suggests that lifelong dietary intakes of potassium, magnesium and fruit and vegetables are determinants of bone mineral density in elderly men and women. Eating fruits and vegetables can help prevent osteoporosis by neutralizing acidity and maintaining bone health.
SourceAmerican Society for Clinical Nutrition/American Society for Nutritional Sciences·JournalAmerican Journal of Clinical Nutrition·DateMar 30, 1999
USGS Scientists To Speak On Rare Plants And Invasive Species At Santa Barbara Symposium
USGS scientists will present research on rare plants, including soft-leaved Indian paintbrush and island jepsonia, and the effects of invasive species like feral pigs. The symposium aims to inform conservation strategies for California Channel Islands National Park.
NASA Exhibit, Experts In San Diego To Focus On Space Research To Improve Earth-Based Industries
Scientists experiment with materials in space to study structure, properties and processing methods. These experiments have led to new understanding of semi-conductors, metallic-electronic crystals and improved X-ray and infrared sensors.
Chelation Therapy May Alter Immune System
A Cornell University study suggests that chelation therapy used to treat lead poisoning in children may have adverse effects on the developing immune system. The therapy, DMSA, was found to impair immune function in offspring of pregnant rats who received the treatment during pregnancy.
Rapid Rock Changes Deep Under Fault Lines Can Trigger Repeated Earthquakes
Yale researchers develop a hypothesis linking rock metamorphism and earthquake generation. They show that rapid release of water from rocks within fault zones can lead to high internal fluid pressures, decreased rock strength, and induced rock failure, potentially triggering repeated earthquakes.
Geologic “X-Rays” Pinpoint Weak Spots On Volcano Surface
Volcanologists at the University at Buffalo have developed a method to analyze satellite data and identify weak spots on a volcano's surface. By interpreting the data, they can determine properties such as water or iron-bearing minerals that contribute to weakening of the volcanic structure.
Possible Human Ancestors In Spain 780,000 Years Ago
Paleomagnetic dating indicates that humans or their ancestors lived in Spain over 780,000 years ago. The technique, pioneered by Josep Pares, measures magnetic minerals in rocks to determine the age of human fossils and tools. This discovery sheds new light on early human evolution in Africa and Asia.
"Optimist" Predicts World Oil Demand Will Outstrip Production In 2020
Renewable energy sources, such as solar and nuclear power, are crucial to fill the gap between energy demand and supply. John D. Edwards predicts that world crude oil production will peak in 2020 at 90 million barrels per day, emphasizing the importance of transitioning to cleaner energy options.
How To Find Landmines Without Setting Foot On The Ground
Researchers in Missouri have designed a bullet that emits a powerful radar pulse as it grinds to a halt, allowing for the detection of landmines without stepping on them. This technology can help geologists survey for oil, minerals, and other buried natural resources, and may be used to locate mines in remote areas.
Rock-Eating Microbes Could Signify Life On Mars
Scientists at Oregon State University have found evidence of rock-eating microbes living nearly a mile beneath the ocean floor, which could suggest similar life on Mars or other planets. The discovery suggests that conditions similar to those on Mars exist beneath the ocean floor and could support life.
Undersea Research Center To Look For Sunken Whaling Ships
A joint research project is underway to locate and evaluate the condition of sunken whaling vessels lost off Alaska's north coast in 1871. The expedition, led by the West Coast and Polar Regions Undersea Research Center, utilizes side-scan sonar and a remotely operated vehicle (ROV) provided by NASA.
Life In Antarctic Ice May Compare To Mars
Researchers discovered bacterial colonies thriving in Antarctic ice, surviving on minimal light and water. The findings suggest similar life forms may exist on Mars or Europa, and could provide insights for searching for life beyond our solar system.
Fortified Drink Improves Third World Nutrition
A fortified orange-flavored drink significantly improved nutritional deficiencies in Tanzanian children, leading to increased weight gain and height. The drink supplied essential vitamins and minerals, improving iron status and reducing anemia in many cases.
Seafloor Study Produces A Copper Bonanza
A zone of high-grade copper ore has been found on the Pacific floor, a discovery that could lead to similar valuable deposits on land. The finding is attributed to a deep-sea exploration project led by UC Davis geologist Robert Zierenberg.
How Did Life Begin? Biochemical Evolution On Chemical Surfaces
A new theory suggests that small organic molecules may assemble into self-replicating biomolecules on the surfaces of silica-rich minerals, providing a potential mechanism for life's origin. Geophysicist Joseph V. Smith proposes that organophilic zeolites could have concentrated and protected these organic compounds from destruction.
SourceUniversity of Chicago Medical Center·JournalProceedings of the National Academy of Sciences·DateMar 31, 1998
Vitamin D Deficiency Appears Common In Hospital Patients
A study of 290 hospital patients found that nearly 60% had vitamin D deficiency, with severe cases common among those without known risk factors. The researchers highlight the importance of screening and treating low vitamin D levels to prevent bone-related issues and fractures.
New Dating Technique May Revise Geologic Time Scale
A new method developed at U of T directly dates individual grains of glaucony minerals, yielding ages scattered over millions of years. The study reveals variable sea levels and provides a way to follow their fluctuations, with applications in oil exploration industry.
Study Of Microbes May Hone Predictions Of Mining Impact
Researchers found Leptospirillum ferrooxidans is a more important contributor to mine pollution than previously thought. The study could provide the mining industry with a new predictive technology to estimate acid mine drainage from a given site.
Studies Underscore Link Between Nutrition And Nonmelanoma Skin Cancers
Research highlights the link between nutrition and nonmelanoma skin cancers, with dietary fat and antioxidant vitamins identified as key factors. Studies have shown that reducing fat intake and increasing consumption of Vitamin C, beta-carotene, and selenium may help lower cancer risk.
Max-Planck Scientists Use Polymers To Structure Inorganic Ceramic-Type Materials On The Mesoscopic Scale
Scientists at the Max Planck Institute for Polymer Research have discovered that polymeric species can be used as structure directing agents for the synthesis of mesostructured ceramic-type materials. This breakthrough opens up a way to create new and interesting materials with fascinating structures.
Pathfinder Photos Show Role Of Water On Mars
Scientists confirm evidence of past water on Mars, including minerals and sedimentation patterns. Theories about the disappearing water include evaporation, seepage, or storage at Martian poles.
Cornell Rover To Land On Mars In 2001
The Mars 2001 Lander mission aims to investigate the geological record of ancient Martian waterways and possible biology. Cornell's Athena rover will use its integrated scientific instruments to collect data on the planet's surface, including an imager, infrared spectrometer, and Alpha-Proton-X-Ray spectrometer.
Fiber In Diet Not Enough; American Heart Association Calling For Higher Intake To Fight Heart Disease
The American Heart Association recommends a daily fiber intake of 25-30 grams from whole grains, legumes, vegetables, and fruits to lower blood cholesterol and reduce the risk of heart disease. A diet rich in these foods can also aid in weight control and improve overall nutritional health.
Purdue-Made Soil Benefits The Environment
Researchers at Purdue University have developed a process to make topsoil from coal ash, yard waste and industrial byproducts. The resulting soil is nutrient-rich and outperforms local topsoil in terms of yield.
Fruits And Vegetables Contain Plant Chemicals That Lower Cholesterol, Says American Heart Association
The American Heart Association recommends consuming a variety of fruits, vegetables, and whole-grain products to lower cholesterol. Phytochemicals like sterols, flavonoids, and sulfur-containing compounds inhibit cholesterol absorption.
Environmental News: Soil-Chemistry Studies At UD Suggest New Pathways For Immobilizing Metal Contaminants
Researchers have identified a mechanism to trap key industrial metals such as nickel, copper and zinc in soils, reducing their mobility. This discovery could lead to more effective cleanup techniques using traditional methods.
Major Changes In Mineral Chemistry And Properties At High Pressure Seen
Researchers predict significant changes in mineral behavior and crystal structures under high pressure, affecting the Earth's magnetic field. The study investigates the properties of materials containing iron, manganese, cobalt, and nickel at extreme conditions.
Weizmann Institute Groundwater Sampler Helps Assess Pollution Spread
The Weizmann Institute groundwater sampler, MLS, tracks microscopic particles to assess pollution spread and identify contaminated layers. It has been used to study the saltiness of the Sea of Galilee and help pinpoint areas where bacteria can clean up pollutants.
Lab Results And Real World Out Of Sync
Researchers at Penn State found that laboratory experiments on soil mineral weathering do not match natural processes, with molecules dissolving in groundwater forming coatings or wearing away. The team is monitoring conditions in the field to better understand the mechanisms underway in the soil and develop more accurate models.
Ancient Ashes Throw New Light On Prehistoric Lifestyles
Researchers have found a way to identify ancient ash using chemical transformations, providing new insights into prehistoric lifestyles. The discovery could help explain how early humans used fire for cooking, warmth, and protection.
Signs Of Past Life on Mars?
Researchers have discovered complex organic molecules and mineralogical evidence of past life in the Martian meteorite ALH84001. The study suggests that these findings could be indicative of primitive life on early Mars.
UH Professor's Study May Help Scientists Predict Earthquakes
Researchers have developed a new technique to predict earthquake magnitude based on rock structure, providing more accurate assessments of seismic risk. By analyzing data from 37,000 earthquakes in southern California, the team created 3D images of subsurface rock formations that reveal varying maximum depths along and across faults.