The Special Sensor Ultraviolet Limb Imager (SSULI) will provide accurate measurements of the upper atmosphere and ionosphere, useful for warfighter applications. The launch improves space weather forecasting, enabling better prediction of signals transmitted or reflected, influencing radar and communication systems.
Researchers develop transgenic flies expressing anti-amyloid antibodies, which reduce neuronal loss and improve eye morphology. A second treatment involving secreted Heat shock protein 70 also shows protective effects, suggesting a new approach to targeting amyloids.
A NOAA-led study shows that crude oil from the Deepwater Horizon disaster disrupts heart development in bluefin and yellowfin tunas. The study found that exposure to crude oil slows heartbeat or causes an uncoordinated rhythm, leading to heart failure in these fish.
Researchers found that developing sperm cells lacking p73 detached prematurely and died, while Sertoli cells lost their characteristic morphology. The study demonstrates the critical role of p73 in regulating cell adhesions for male fertility.
Researchers have successfully reprogrammed rat astrocytes into neurons using Mash1, a transcription factor. This method avoids malignant transformation and offers a promising therapeutic strategy for neural regeneration.
The extinct California porpoise, Semirostrum ceruttii, had a distinctive underbite with an extended lower jaw and innervated jaws, likely used for probing prey. The species' anatomy suggests adaptations to its environment, including poor eyesight and sensitive lower jaw used for echolocation and feeding.
Researchers found that feeding plant extracts to weanling pigs challenged with PRRS and E. coli reduced the frequency of diarrhea, improved feed efficiency, and altered gut morphology. The study suggests that these extracts may be used to alleviate disease symptoms in pigs.
Researchers found that waterbirds using different foraging strategies have evolved distinct tail shapes. Underwater foragers, such as cormorants and penguins, developed elongated tails with specialized vertebrae structures, while aerial birds had shorter, deflected tails.
Research reveals stick insects have developed a way to generate massive friction when walking upright through a hierarchy of grip with the slightest pressure, allowing them to grip but not stick. The insect's hairy friction pads employ three main tricks to increase contact area under pressure, creating a scale or hierarchy of grip.
Researchers discovered that slimmer, more traditionally attractive men tend to have fewer potentially pathogenic species of bacteria in their noses compared to heavier men. This link between body mass index (BMI) and bacterial colonization has significant implications for reproductive health.
Researchers at NIST have developed a way to measure and classify the shapes cells take in different environments. By analyzing these shapes, they can compare and differentiate various scaffolds used in tissue engineering, enabling more effective cell growth and development into viable tissues.
A recent study by Mainz biologists has identified novel genes that determine the division of labor in ants, showing how gene expression differs between castes. The research found that queens express more known genes related to solitary insects, while workers have unique, modified or novel genes.
Articles in GSA Bulletin explore the impact of geological processes on rivers and coastlines. Researchers examined river morphology in Oregon, coastal responses to sea-level changes in Brazil, and aditification differentiation in NE Iran, providing insights into the effects of tectonics and environmental changes.
Researchers propose that fins and limbs develop from the area surrounding the belly due to the interaction of ectodermal tissues with mesoderm layers. This model, published in Evolution & Development, suggests that epigenetic factors play a crucial role in shaping embryonic development and ultimately giving rise to paired appendages.
A 300,000-year-old hearth discovered in the Qesem Cave provides conclusive evidence of repeated fire building over time, hinting at advanced social structure and intellectual capacity. The find suggests that early humans had a sophisticated understanding of space organization and social order.
A new study by Matthew Ravosa and colleagues at the University of Notre Dame reveals that dietary influences play a crucial role in shaping the human skull. Contrary to long-held assumptions about hard object feeding, the research suggests that early human ancestors, such as Australopithecus, relied on tough foods year-round.
Chromosomes' characteristic shape is explained by self-organizing supramolecular structures formed by stacked layers of chromatin. The symmetry breaking due to different surface energies in telomeres and lateral surfaces justifies the elongated structure.
Scientists have estimated that sauropod body temperature was around 28 degrees Celsius, contradicting the idea that their size was limited by overheating. The research also explores the reproductive biology of sauropods and the potential for convergent evolution in their bone structure.
Researchers found that ants modify their thoracic segments to match the tasks they perform as adults, with worker ants having enlarged neck muscles for strength and maneuverability. Queens have distinct thorax shapes associated with strategies used to found new colonies.
A team of researchers from North Carolina State University and the Chinese Academy of Sciences has found an easy way to modify a commonly used polymer in solar cells to increase efficiency. The modification resulted in a significant boost in energy harvesting, with some solar cells showing a 36% improvement over similar polymers.
Researchers developed a scoring system to assess nerve root morphology and functional alteration. Diffusion tensor magnetic resonance imaging-based tractography can quantify nerve root function according to fiber bundle area and morphology.
Three new lizards from Peru have been identified as distinct species using a combination of molecular, ecological, and morphological analyses. The study demonstrates the feasibility of discovering new species with limited resources, highlighting the importance of stable scientific names for biodiversity conservation.
Researchers found pregnant women adapt to changing spatial awareness through practice and movement. Their judgments of possible doorways are comparable to non-pregnant adults.
A new species of butterfly-orchid, Platanthera azorica, has been discovered in the Azores, and is believed to be Europe's rarest orchid. The species was previously known from a 19th-century illustration and was thought to be extinct.
A study by Jiang et al. found that baicalin inhibited colistin sulfate-induced neuronal apoptosis in PC12 cells by suppressing free radical injury, reducing caspase-3 activity and lactate dehydrogenase activity. Cell viability increased, and cell morphology improved.
A team of researchers from Australia has discovered a high-altitude species of sedge in Tasmania, Lepidosperma monticola, which is unique to alpine vegetation and the smallest known species of the genus. The new species grows on mountains at elevations above 700m and can be distinguished by its fruit morphology.
A new PLOS Collection delves into the complex evolutionary cascade theory that made sauropod dinosaurs' gigantism possible. Researchers investigate factors contributing to their unique body size, including mobility, posture, and nutrition.
Researchers found that Danhong injection enhances the expression of transforming growth factor-beta 1 and GM130, maintaining neuronal Golgi morphology and structure after cerebral ischemia-reperfusion injury. This study suggests a potential neuroprotective effect of Danhong injection in treating cerebral ischemia-reperfusion injury.
Researchers at Berkeley Lab identified thousands of enhancer sequences involved in craniofacial development, which regulate genes to fine-tune facial morphology. The study provides insights into the genetic drivers of normal craniofacial variation and may lead to better diagnostic and therapeutic approaches for birth defects.
A recent study using dental fossils suggests that the common ancestor of Neanderthals and modern humans diverged nearly 1 million years ago, contradicting previous molecular evidence. The researchers found no known hominin species matches the expected dental morphology of the last common ancestor.
Alpine plants show genetic differences in appearance and features due to Ice Age climate changes, highlighting their adaptability to environmental conditions. The study discovered variations within species are partly driven by natural selection, with plants adapting to shorter growing seasons.
Researchers have discovered that graphene remains its conductive properties even when coated with silicon, a breakthrough for transparent solar cells. The study shows that the embedded graphene layer has a carrier mobility roughly 30 times greater than conventional zinc oxide-based contact layers.
Scientists at UNIST have identified a common mechanism in Fragile X and Down syndrome that regulates dendritic spine morphogenesis and synaptic efficacy. This discovery provides an important stepping stone in understanding the multiple roles of DSCR1 in neurons and identifying potential therapeutic targets for intellectual disabilities.
Researchers analyzed Neogene plant fossils to understand how plants respond to climate change. The study found that stomatal density increased during the present epoch and decreased during the late Pliocene, indicating an inverse relationship with atmospheric CO2 concentrations.
Scientists have discovered that protein translation in dendrites is complex and dictates by translational hotspots, not solely when RNA is present. This finding may inform neurological and psychiatric illness therapeutics.
Researchers develop mouse models of hereditary spastic paraplegia and distal renal tubular acidosis to understand the molecular mechanisms underlying these diseases. The studies reveal key roles for REEP1 in ER shaping and β-intercalated cells in maintaining fluid and electrolyte balance.
Researchers develop mouse model of hereditary spastic paraplegia linked to changes in endoplasmic reticulum structure associated with REEP1 mutations, which impair ER function. The new model provides insight into how ER morphology affects axon loss in HSP.
Researchers from the University of Washington have discovered differences in dried filters from filter-feeding rays that allow them to be identified as either giant mantas or devil rays. The study provides valuable insights into the conservation of these gentle-natured rays, which are often hunted for their supposed health benefits. Th...
The Okanagana viridis cicada is a newly studied species found in the temperate deciduous forests of Arkansas, Louisiana, Mississippi, Tennessee, and Texas. Its distinct song features irregular doublet or triplet pulses, lasting for 30 seconds.
Researchers found that basic fibroblast growth factor and heparin promote differentiation of MSCs into motor neurons, increasing acetylcholine levels. This technology may prevent and treat muscular atrophy caused by peripheral nerve injury.
Research reveals how ancient crocodiles evolved and survived alongside dinosaurs, with notable variations in jaw shapes and biomechanics. The study, published in Proceedings of the Royal Society B, provides new insights into the evolution and adaptation of ancient crocodiles during the Mesozoic Era.
Researchers found platelet Golgi apparatus undergoes changes after acute cerebral infarction, influencing CD40L expression and platelet function. This discovery may lead to new therapeutic targets for treating cerebral infarctions.
Researchers found that excessive noise activates certain cells in the ear, causing them to detach and damage the blood barrier. A new compound, PEDF, shows promise in preventing this type of damage, offering hope for treating tinnitus and sound hypersensitivity.
A recent study using DNA barcodes identified two distinct species of diamondback moths in Australia, one of which is the well-known pest and the other a newly discovered species named Plutella australiana. The discovery highlights the complexity of this global pest and its ability to evolve resistance to control methods.
Astronomers use Hubble to study distant galaxies 11 billion years ago, confirming the Hubble Sequence holds true as far back as 8 billion years. The study finds that all galaxies fit into different classifications of the sequence, with blue star-forming galaxies and massive red galaxies dominating at these early times.
Researchers have found that mature-looking galaxies existed 11.5 billion years ago, pushing back the timeline of galaxy formation by 2.5 billion years. This discovery confirms the Hubble Sequence, a classification system used to describe galaxy morphology, even at early stages of the universe's history.
A study found that heart failure patients with left bundle-branch block (LBBB) and longer QRS duration had lower risks of death, cardiovascular events, and readmission after pacemaker implantation. These findings suggest using QRS morphology and duration to identify patients who will benefit most from the procedure.
Researchers developed a 3D digital visualization model of healthy human cervical nerves, overcoming milling limitations and providing realistic 3D images. The model reveals the morphology, distribution, and spatial relations of major nerves in the neck, aiding anatomical teaching and regeneration research.
Researchers found that a specific pattern in tumor pathology is strongly associated with cancer recurrence. Patients with this pattern are more likely to benefit from lobectomy and have a 75% lower risk of recurrence. The study may lead to new technology to precisely identify tumors with this pattern before surgery.
Researchers at NYU-Poly used bio-inspired robots to study fear responses in zebrafish, finding that alcohol can modulate these reactions. The findings may lead to new methodologies for understanding anxiety and developing substances that alter emotions.
A new series of articles in the American Journal of Botany explores how plants respond to climate change, providing insights into plant biology, ecology, and evolution. The studies reveal complex relationships between plants and wide-scale biological changes.
A new coral reef species, Echinophyllia tarae, has been discovered in the Gambier Islands of French Polynesia. The species is a zooxanthellate coral that grows on dead coral fragments and contributes to coral reef formation.
A research team found Radix Achyranthis Bidentatae inhibits advanced glycation end product formation, reducing levels in the frontal cortex and improving learning and memory capabilities in ovariectomized rats. The plant's antioxidative effect may contribute to its neuroprotective properties.
A team of researchers at ETH Zurich used high-resolution microelectrode arrays to measure axonal signal speed, finding significant variations within the same neuron. The study challenges the long-held assumption that axonal signal conduction is purely digital.
Researchers at EPFL have developed a new solid-state dye-sensitized solar cell (DSSC) design that increases efficiency to a record 15% without sacrificing stability. This breakthrough overcomes the inherent voltage loss of traditional DSSCs and opens a new era for DSSC development.
Measurements from the 2011 Las Conchas fire show that 'tar ball' effect significantly degrades air quality and contributes to global warming. The team found spherical carbonaceous particles called tar balls dominate emissions, which can increase climate warming by increased light absorption.
Researchers discovered that fruitbats can store energy in their triceps tendons, enabling a power boost during take-off and flight. This unique ability allows bats to control joint movement with precision.
Researchers found that starfish with intact eyes move towards the reef, while those without eyes walk randomly. The study suggests that starfish nervous system can process visual information, pointing to an underestimation of echinoderms' capacity.
Researchers have identified genetic markers associated with salamander tail regeneration and found that the width of the tail influences regrowth pace. The study suggests local factors at the site of injury regulate regenerative outgrowth, contributing to differences in regeneration among animals.
A new study developed a robust model for predicting corn yields using easily obtained measurements, such as plant morphology and precipitation. The model was tested across multiple environments and found accurate results, providing valuable insights for farmers and biofuel industries.