A recent study found that programs for children of divorce can have a positive impact on their long-term adjustment. The research, which followed 240 families over six years, showed that adolescents whose mothers attended parenting classes had fewer behavioral problems and reported fewer mental health issues.
Researchers are studying 200 families in Baltimore to understand how children aged 9-14 are impacted when a parent loses their job. The study aims to identify coping mechanisms that can help prevent negative behavior and emotional problems, and will inform prevention programs to reduce stress.
Researchers at Arizona State University have developed a technique called photocapillarity that uses light beams to pull water up tiny tubes, overcoming challenges in building nano-scale pumps and valves. This technology may one day be used for targeted distribution of medicine in the body.
A study of 15 community parks found that bird diversity and abundance are linked to neighborhood income, not park size or vegetation. However, the correlation between trees and bird populations is weak, suggesting other factors, such as cat populations or urban planning, may be at play.
Researchers will study 400 families from public schools in Phoenix and Southern California to examine the role of fathers in protecting their children from adolescence's perils. The study aims to identify culturally-universal concepts of fatherhood and its impact on child development.
Adding crumb rubber to fresh concrete improves strength and durability, reducing thermal expansion, drying shrinkage, and brittleness. This technology can be used in sidewalks, parking lots, and concrete floors, potentially recycling millions of scrap tires annually.
The ASU School of Social Work has received a $1.6 million grant from the National Institutes of Health (NIH) to strengthen and expand social work research on drug use. The consortium, led by Flavio Francisco Marsiglia, will focus on historical cultures of the Southwest and community-based needs assessments.
Paleoanthropologist Geoffrey Clark questions the clear evidence for human 'replacement', suggesting that archaeological findings reveal a more complex mosaic pattern. He proposes an alternative cause for cultural and technological changes, linking them to population density and critical selection pressures.
A team from Arizona State University has questioned the evidence for bacterial life in a Martian meteorite, citing limitations in microscope technology and data selection. The researchers argue that the shapes of magnetite crystals found in the meteorite are not uniquely identifiable with bacteria.
Researchers found evidence of advanced stone tool technology and symbolic thinking in Africa, challenging the long-held assumption that modern human behavior emerged later. The discovery of 28 bone tools at Blombos Cave suggests that 'behavioral modernity' first evolved in Africa around 35,000 years ago.
A multidisciplinary team has successfully created through-bond electrical contacts with single molecules and achieved reproducible measurements of their conductivity. The breakthrough resolves a decades-long problem in understanding the electrical properties of small numbers of molecules.
Researchers found that bacteria in desert soil migrate towards water, not just light, and return to subsurface after drying out. This discovery has significant implications for understanding underground microbial ecology and potentially locating life on Mars.
Researchers discovered that adding crumb rubber to PCC improves durability and reduces thermal expansion, cracking, and brittleness. The technology has the potential to recycle all 5 million scrap tires produced annually in Arizona.
A team of researchers analyzed a rare, well-preserved meteorite found in Canada, revealing organic compounds with similarities to other known carbonaceous chondrites. The study suggests that the Tagish Lake Meteorite may represent an early stage in the evolution of complex carbon compounds in space.
Scientists have observed a sudden shift in Mars' atmosphere, with temperatures increasing by about 30 degrees Centigrade, due to a massive dust storm. This phenomenon is similar to Earth's global warming, but much more extreme and potentially leading to a significant cooling of the planet.
By analyzing seismic waves, scientists have mapped the physical properties of the earth below, identifying regions with seismically fast mantle that produce gem-quality diamonds. This discovery could aid in locating new diamond mines by targeting areas with similar characteristics.
A study published in Nature found that plant-eating insects have diets so poor in nutrients they impair growth, unlike aquatic animals which thrive on nutrient-rich foods. The researchers analyzed the chemical composition of plants and animals to determine how different environments affect food webs.
Ralph V. Chamberlin has successfully extended the mean-field theory of ferromagnetism to describe the behavior of ferromagnetic materials at lower temperatures, eliminating the need for an alternative theory. This breakthrough allows for the accurate description of ferromagnets in a wider range of temperatures.
A recent analysis of a 1.2 billion-year-old Martian meteorite has shown the presence of water-soluble ions that resemble those found in Earth's oceans. The study suggests that ancient Martian oceans had a chemical composition similar to Earth's, with elements like sodium and chloride present in high concentrations.
Researchers from Arizona State University, IBM Almaden Research Labs, and Lawrence Berkeley Laboratory have confirmed the alignment between electron spins in ferromagnets and anti-ferromagnets is colinear. This finding improves understanding of exchange bias, a phenomenon useful for controlling magnetization in magnetic disk storage.
The Mars Global Surveyor's Thermal Emission Spectrometer has mapped the mineral composition of Mars' surface, revealing a primarily volcanic surface with distinct differences between southern and northern hemispheres. The survey provides valuable insights into Martian geology and may help explain changes in the planet's interior.
Researchers at Arizona State University have identified a viral infection as the likely cause of mass salamander deaths in various regions. The iridovirus, typically found in insects, was detected in infected salamanders across North America and Australia.
Scientists studying amphibian decline are exploring the role of pathogens like iridovirus and chytrid fungus in causing mass extinctions. The project, funded by a $3 million grant, aims to develop an integrative approach combining expertise from various fields.
Researchers at Arizona State University have designed and synthesized the first stable example of a new class of materials that can handle large molecules. The material, formed from zinc oxide and terephthalic acid, is a porous framework with large box-like spaces, allowing it to isolate and modify larger molecules.
Researchers confirm hazard posed by intraslab earthquakes in Pacific Northwest, which can cause significant damage and loss of life. A magnitude 7-7.5 intraslab earthquake could strike the region, posing a greater risk than larger offshore earthquakes.
The discovery of a new tomb at Teotihuacan's Pyramid of the Moon has provided critical evidence for reconstructing the city's 2,000-year-old history. The tomb contains human skeletons, animal bones, and offerings that differ from previous discoveries, suggesting a significant cultural shift between two phases of pyramid construction.
A team of biophysicists introduces a new method in atomic force microscopy that maps not only topographic features but also the specifics of biochemistry on biological molecules. The technique, which attaches antibodies to microscope tips, allows for precise location of proteins and has extensive applications in biotechnology.
Researchers at Arizona State University have achieved clear images of electron orbitals in Cu2O, verifying the hypothesis that both ionic and covalent bonding occurs in the material. The images show complex formations resembling a dumbbell shape, indicating the presence of metal-to-metal bonds.
New Hubble images show gas shells produced by novae that may revolutionize our understanding of galactic evolution. The findings imply that novae play a significant role in the distribution of heavier elements and planetary system development, contradicting previous predictions.
A systematic bird survey of the Phoenix metropolitan area has been ongoing since 1998, with over 150 species sighted. The database is a valuable resource for scientists studying urban landscape structure and its impact on avian populations.
A recent Arizona State University study found that comet gas tails contain high concentrations of ionized carbon monoxide, contrary to previous assumptions that they were composed mostly of water. The team's discovery explains why carbon monoxide molecules are more resilient than water molecules when exposed to sunlight.
The ASU geology team is collecting and analyzing data from the Galileo spacecraft, which shows strong evidence of a liquid ocean under Europa's surface. The images transmitted by the spacecraft reveal terrain types similar to an iceberg found on Earth near Europa's surface.
A recent excavation at the Pyramid of the Moon in Teotihuacan has uncovered a skeleton and 150 surrounding artifacts dating back to approximately 100 A.D. The burial is suspected to have belonged to one of the city's rulers, providing critical information that could revolutionize modern understanding of Teotihuacan's culture and history.
The editorial emphasizes the need for improved scientific literacy, citing a 'dangerous ambiguity' in definitions of the issue. The authors argue that promoting scientific literacy requires a new way of teaching, stressing long-term process over short-term results.
A study published in The Journal of Biological Chemistry found that aspirin can short-circuit the
Researchers at Arizona State University have found a large deposit of mineral hematite on Mars, suggesting the presence of hydrothermal activity and potentially water in the past. The find makes a strong case for future NASA missions to explore this area near the Martian equator.
Researchers at Arizona State University have created a cell-like machine that captures light energy and converts it into a usable form, duplicating biological photosynthesis. This breakthrough technology has the potential to power artificial biological systems and could lead to innovations in computing, drug development, and other fields.
The ASU-Led Project uses the scanning probe microscope to enable students in schools far from campus to operate the instrument remotely over the World Wide Web. Students can design their own experiments and manipulate the microscope with a mouse, getting results that are not yet available to most laboratories in the country.
A group of ASU undergraduates present research on scientific literacy, finding common ground among differing viewpoints but also identifying unresolved issues. They highlight five key points agreed upon by science organizations, including the importance of critical thinking skills and social issues.