Scientists at Brown University have found evidence of water molecules on the moon's surface, with up to 1,000 parts-per-million in lunar soil. This discovery could provide a mechanism for water to reach permanently shadowed craters, opening new avenues for lunar research.
Scientists can now drill to the Earth's mantle with reduced environmental impact. The technology allows for investigation of subseafloor areas in great depths, where oceanic crust may be thinner.
A recent study found that flood conditions can decrease soil aggregation stability by up to 20%, impacting crop production. The research suggests that reducing conditions contribute to the degradation of soil structure.
A new methodology developed by Pedro Álvarez Lloret found that exposure to organochlorate pollutants and lead causes bone weakening and fracture in wild birds. The study also reveals that polychloro-biphenyl (PCB) increases bone maturity, making them more fragile.
Researchers investigated ancient soils in Big Bend National Park, Texas, and found increased chemical weathering during the initial Eocene thermal maximum. The study suggests that increased humidity and CO2 levels led to hydrolysis reactions, potentially serving as a negative feedback to reduce atmospheric CO2.
Research reveals cosmic dust originates from Koronis asteroids, with analysis matching mineralogy and chemistry to chondrite meteorite samples. The study provides new insights into the earliest history of our solar system.
Researchers have developed a ceramic material that heats up in the microwave without causing damage, allowing for faster cooking times. The material, made from petalite and magnetite, can retain heat for up to 15 minutes, enabling innovative food preparation methods.
Researchers found evidence of a water-rich environment in ancient southern highlands of Mars, with phyllosilicate deposits indicating low-temperature mineral formation. The team's discovery suggests a benign, habitable environment during the Noachian period.
The 2nd EuroMinScI conference brought together young researchers to present their latest findings on mineralogy, Earth sciences, and the physics-based simulation techniques. Notable awards were given to Olga Narygina and Verity Borthwick for their outstanding work in experimental and theoretical modeling.
The new monograph Methods of Soil Analysis. Part 5. Mineralogical Methods presents valuable methodologies for analyzing soil minerals, including atomic force microscopy and X-ray absorption spectroscopy. These methods have applications in soil classification, environmental remediation, and nutrient cycling.
Researchers have developed new methods to block salt crystallization, a major cause of damage to historic buildings. These techniques have been tested on sodium nitrate and have shown effectiveness in reducing damage to ornamental porous materials.
Scientists are discovering that aquatic nanoparticles influence natural and engineered water chemistry differently than similar materials of a larger size. The review considers nanoparticles formed by natural processes in water and as unintended consequences of human activity, such as mining or water treatment.
A University of Granada research group found that climate change, not modern humans, contributed to the Neanderthal extinction in the Iberian Peninsula. Climate reconstructions revealed fluctuations related to climate changes before Homo Sapiens arrived, making cold and arid conditions the least favorable for Neanderthals.
Researchers at Arizona State University are studying two French clays that have been shown to heal Buruli ulcer, a flesh-eating bacterial disease found primarily in central and western Africa. The study aims to understand the mechanisms behind the antibacterial properties of the clays and explore their potential as a new treatment option.
A new lunar meteorite, MIL 05035, has been discovered in Antarctica, providing a rare opportunity to study a part of the Moon's surface not visited by the US Apollo program. The meteorite exhibits unusual mineralogy and texture, offering clues about the Moon's formation and evolution.
Researchers discover that bacteria prefer larger nanoparticles to smaller ones for efficient metal reduction. The study reveals a 10-fold difference in bioreduction rates among particles of similar shape but different sizes, with larger particles being reduced faster than smaller ones.
Monazite crystals contain thorium and can be used to date rocks altered by high-temperature fluids. In a new study, researchers found that monazite dissolves readily in hydrothermal fluids, resetting its clock and allowing for accurate dating of affected areas.
Scientists at the University of Illinois have developed a theoretical model explaining how hot spring water deposits calcium-carbonate minerals, forming travertine and shaping landscapes. The model reveals that rocks grow at a rate of 1 millimeter per day, contradicting common assumptions about erosion.
Asteroid Itokawa's surface composition was determined by Brown University researcher Takahiro Hiroi, who linked it to LL chondrites, a common class of stony meteorites. The team also described the asteroid's diverse terrain, suggesting it may be an earlier stage of asteroid evolution and formation.
Data from Mars Express confirms the presence of hydrated minerals, implying long-term liquid water on Mars during the Noachian era. Phyllosilicates and sulphates were detected in various regions, suggesting two distinct climatic episodes: a moist environment for phyllosilicates and an acid environment for sulphates.
Researchers are creating a chemical guidebook to identify signs of microbial life in Martian rocks. The team, supported by a $900,000 grant, will use advanced mass spectrometer technology and fuzzy logic computer program to analyze spectral images and make decisions about sample selection.
A new study by the University of Chicago reveals that Greenland's ancient rocks are sedimentary and not igneous, providing evidence for biological activity 3.85 billion years ago. The findings support the search for early life on Earth and open up new possibilities for research.
Indiana University geologists David Bish and Juergen Schieber will join NASA's Mars Science Laboratory, a rover mission set to launch in 2009. The rover will explore a local region as a potential habitat for past or present life, shedding light on the Martian surface's composition.
Researchers find that ancient corals built skeletons mostly of calcite, contrary to the long-held belief that this mineral is fixed over time. The study also reveals that corals in ancient seawater grew more slowly than those in modern water.
Dr. Paul Ribbe will be honored with a symposium for his significant advances in the crystallography of feldspars, which led to the creation of definitive work on mineralogy. The symposium features keynote addresses from internationally recognized scientists and explores the 'micro to macro' approach pioneered by Ribbe.
Researchers found that different magnesium sulfate salts contain varying amounts of water, which could provide insight into Mars' history. The proportion and distribution of these salts may hold clues about past climate changes and water presence on the planet.
Researchers uncover a new Martian meteorite, MIL 03346, found in Antarctica's Miller Range Icefield, bearing witness to significant segments of Mars' volcanic and environmental history. The specimen is the seventh recognized member of the nakhlites group, offering a critical 'reality check' for interpreting Mars data.
Scientists use Raman spectrometer to analyze minerals, gases and liquids on the sea floor, tracking carbon dioxide levels and distinguishing between gas and liquid forms. The device could potentially trap carbon dioxide in clathrate hydrates, a promising method for climate change mitigation.
Researchers found widespread zeolites across Yucca Mountain, abundant at a depth considered ideal for waste storage. A combination of man-made safeguards and natural features is necessary to prevent waste migration.
Scientists at Penn State University have created a novel method for synthesizing cage-like silica structures by combining different templates and heating them in a microwave oven. This innovative approach produces larger particles with improved stability and reduced synthesis time compared to previous methods.
Scientists discover Lost City, the tallest hydrothermal vent system ever seen, which can persist for hundreds of thousands to millions of years. This discovery increases the chances of finding early life on the seafloor, with potential implications for life beyond Earth.
Tiger's eye was previously thought to be an example of pseudomorphism, but researchers have found that the stone's shimmering appearance is actually caused by the presence of crocidolite fibers. The discovery challenges a long-held theory on the formation of tiger's eye and provides new insights into its structure.
Researchers used refined techniques to study minerals from meteorites, revealing a 20-million-year estimate for the Earth's formation. The new figure is based on careful separation of minerals and isolation of radioactive forms of niobium and zirconium.
Astronomers discover that asteroid 1929 Kollaa was once part of the larger asteroid 4 Vesta, which is believed to be the source of meteorites found on Earth. This finding helps scientists build a geologic map of the asteroid belt and understand forces that have acted on asteroids in the past.
Hochella will analyze samples from acid-mine drainage sites in Germany and the US using advanced equipment to develop better models of metal transport. This work aims to improve understanding of toxic-metal-bearing phases and their distribution in drainage systems.
Researchers at the Savannah River Ecology Laboratory have successfully developed a compound that aids in the extraction of certain underground contaminants, including lead. The new chemical compound targets specific reactive fractions of the soil and can be used in pump-and-treat extraction methods to enhance removal efficiency.
Researchers at University of Illinois used polymerase chain reaction to detect microbes in water, rock, and air samples from hot springs. They found evidence of life in new springs, suggesting microbes may have been transported by wind-borne steam or existing waters.
Researchers have found that the Earth's inner core consists of two distinct parts: a lower area surrounded by an uneven upper layer with different material properties. This discovery is likely to affect the current model of how the Earth and its magnetic field came into being.
A new Martian meteorite was discovered in the hot desert climate of the Sahara, increasing the total number of Martian meteorites to 13. The meteorite's inert gas inventory and elemental ratios confirm its Martian origin, providing valuable insights into Mars' geochemical processes and evolution.