Researchers studied paleoclimate data to understand historical patterns of aridity in Eastern Africa, revealing a clear pattern of dry and wet periods. Climate model simulations showed that sea surface temperatures in the Indian Ocean drive rainfall variations in East Africa.
The Interface Region Imaging Spectrograph (IRIS) will study the lower levels of the sun's atmosphere, including the chromosphere and transition region. The mission aims to unravel how matter, light, and energy move from the surface to the corona, with implications for solar flares and coronal mass ejections.
DARPA's Adaptive Vehicle Make (AVM) program aims to reduce costs and lead times in developing new military vehicles by transforming the design and manufacturing process. Vanderbilt University's Institute for Software Integrated Systems is leading the development of engineering software, including META-X tool CyPhy.
Researchers from Lund University have made a significant breakthrough in solar cell technology, demonstrating the potential for nanowires to produce 13.8% efficient energy. The nanowire solar cells can absorb sunlight more efficiently than traditional silicon cells, offering higher efficiency at a lower cost.
A study by Michigan State University researcher Angie Kennedy found that severe abuse within families is strongly associated with dating violence among young female high school students. The research highlights the need for discussions about family abuse and its impact on individuals, particularly those exposed to violence in their homes.
Researchers found that baited black pyramid traps are more effective at capturing stink bugs than other traps, with higher yields of adults and nymphs. The study also discovered that stink bugs can produce two generations per year in the Mid-Atlantic region.
Researchers have discovered that some of the tectonic processes driving volcanic activity were occurring as early as 3.8 billion years ago. The study found compositions comparable to modern oceanic islands in ancient rocks, strengthening arguments for subduction-related tectonics.
A new UC Berkeley study suggests that women's domestic power reduces their desire for career advancement. Women who control household decisions reported lower life goals than those who shared decision-making with their spouses. This effect is specific to women and not observed in men.
A new study found that women become less interested in pursuing workplace power when they view themselves as being in control of decisions at home. This shift affects career choices without women even realizing it. Additionally, women experience conflict managing their identities as a parent and worker, which is more pronounced than men.
Researchers have found that melt ponds on young, thin Arctic sea ice absorb 50% more solar radiation, causing the ice to melt faster. This changes the light transmission beneath the ice, affecting photosynthesis and potentially impacting ecosystems.
A long-term mesocosm experiment off Sweden investigates the effects of ocean acidification on plankton communities, shedding light on their ability to adapt to new conditions. The study also explores the impact of ocean acidification on the development of fish at the base of the food web.
The University of Georgia scientists have fabricated the world's first LED that emits a warm white light using a single phosphor with a single emitting center. The new material achieves a warm color temperature while maintaining accurate color rendition, ideal for indoor lighting.
A Norwegian study found that emphysema severity is a strong predictor of all-cause and cardiovascular mortality in ever-smokers with or without COPD. The study also showed that airway wall thickness is associated with respiratory mortality in patients with severe emphysema.
A new survey of stroke survivors found that those with post-traumatic stress disorder (PTSD) are less likely to adhere to treatment regimens that reduce the risk of a future stroke. Approximately one in three patients with PTSD had concerns about their medications, leading to increased ambivalence and nonadherence.
Researchers at UC Berkeley discovered that those in authority positions are quicker to recover from mild rejection and seek out social bonding opportunities. The study found that subordinates report lower self-esteem when rejected by their bosses compared to supervisors.
Researchers from UCR and other top universities will develop technologies for spin-based computing and memory systems. The Center for Spintronic Materials, Interfaces, and Novel Architectures aims to support the US semiconductor industry with more efficient electronics.
A new review by the International Osteoporosis Foundation's Nutrition Working Group highlights the importance of protein intake (1.0-1.2 g/kg body weight) and vitamin D supplementation for maintaining muscle mass and strength in seniors. The review also suggests avoiding dietary acid loads and incorporating more fruits and vegetables i...
A new study by the University of Utah found that military personnel who experienced physical or sexual assault are at higher risk of suicidal thoughts and actions. In contrast, undergraduate students who experienced unwanted sexual experiences as children or adults face increased risk of suicidal thoughts and ideation.
The Helmholtz Energy Alliance aims to ensure a reliable electric power supply through the development of grid management and storage systems. Key findings include the need for new technologies to manage hybrid transmission grids and innovative methods to ensure grid stability.
A study by University of Pennsylvania researchers found that psychiatrists exposed to COI policies during residency are less likely to prescribe brand-name antidepressants after graduation. The results suggest that COI policies can lower rates of prescribing heavily promoted antidepressants, potentially reducing cost growth.
A new study by UCSF neurosurgeon Christopher Ames and orthopedic surgeon Vedat Deviren found that complex spinal surgeries with two attending physicians were significantly shorter, averaging five hours instead of eight, and resulted in less blood loss, fewer major complications, and shorter hospital stays.
The LaMEVE database offers rapid searchability of information on large volcanic events with a quantitative data quality score. It focuses on magnitude 4 or greater eruptions, which are typically responsible for the most loss of life in historical periods.
Researchers found that different particles create smooth or rough deposition profiles at the drop edge depending on their shape. They tested Poisson and KPZ processes, two classes of interfacial growth processes, and discovered elongated particles produced a KPZ class of growth.
Researchers discovered that some single-celled algae cheat on producing toxins to gain an advantage, contradicting the theory that cooperation should break down in such circumstances. The cheaters can survive and multiply while their 'honest' peers produce toxins, allowing them to invest energy into making more offspring.
The UK's rapid increase in surrogate births over the past six years poses a risk of exploitation, particularly in informal arrangements lacking professional back-up. Overseas surrogacy arrangements are also a concern due to potential financial, physical and emotional risks to adults and children involved.
Researchers have identified mitochondrial CYP2D6 as a potential target for mitigating Parkinson's disease. The study found that mitochondrial CYP2D6 can effectively metabolize MPTP, a compound causing brain cell damage in Parkinson's, and that inhibiting its activity reduces neuronal degeneration.
A recent study conducted in south-east Spain found a significant decline in sperm quality among young men between 18 and 23 years old. The average concentration of spermatozoids dropped from 72 million/ml to 52 million/ml over the decade, with 40% of participants showing alterations in at least one semen parameter.
Researchers developed a tool that combines age, gender, and common blood tests to predict mortality among trauma patients. The Intermountain Risk Score identifies high-risk patients with increased likelihood of death within a year.
Researchers discovered a novel charge zipper principle used by membrane proteins to form functional units, allowing them to be immersed into hydrophobic cell membranes. The mechanism involves the assembly of amino acids with positive or negative charges, forming an uncharged ring that lines the TatA pore.
Researchers have developed a new technique to study cell division without a cell membrane, allowing them to uncover physical forces and constraints involved in the process. By using this method, they discovered that squeezing the 'cell' into tighter quarters does not lead to smaller spindles, contradicting previous assumptions.