The São Tomé grosbeak is the world's largest canary, measuring 20 cm long and possessing a flat head and large beak. It is found only on the island of São Tomé in the West African Gulf of Guinea and is 50% larger than the runner-up species.
A study suggests that vitamin A plays an important role in the development and function of beta-cells, leading to improved insulin secretion. Researchers found that partially blocking the vitamin A receptor impaired cell survival and insulin secretion, highlighting its potential as a new target for diabetes treatment.
Researchers have developed silver nanoclusters with excellent optical properties, making them suitable for biosensing and imaging applications. The nanoclusters' ability to absorb light efficiently and withstand exposure to sunlight makes them a promising alternative to existing fluorescent tags.
Researchers at Lund University found that cholesterol impacts the molecular structure of the alveoli's surfactant film, influencing its mechanical properties and substance transport. The study provides new insights into the significance of cholesterol for lung surface properties.
A study at Lund University reveals individual neurons can learn precise timed intervals, expanding the brain's learning capabilities and potential applications in AI research. This breakthrough may also shed light on autism, ADHD, and language disorders in children.
Researchers developed a new perovskite material that overcomes water sensitivity, creating stable and efficient solar cells with a ten percent efficiency rate. The material's ability to self-organize in an edge-standing structure increases electron circulation, improving energy conversion.
Researchers found that non-migratory birds like zebra finches utilize a built-in magnetic compass to orient themselves using the Earth's magnetic field. The study suggests that this mechanism is more general and not specific to migration.
A recent study found that plant and animal stem cells exhibit similar interaction patterns, explaining why plant cells can reprogram more easily. Researchers developed mathematical equations to analyze protein interactions, revealing key differences in cellular flexibility.
A new study found that polyunsaturated fat caused epigenetic changes in participants' fat tissue, leading to differences in fat storage. The results suggest that polyunsaturated fat may have a more positive impact on health compared to saturated fat.
Scientists at Lund University have identified a novel defence mechanism that uses thrombin fragments to aggregate and neutralize bacteria and toxins in wounds. This discovery could provide an alternative approach to treating bacterial infections, potentially reducing the reliance on antibiotics.
A study by Lund University found that bold common roaches, known for their bravery, are twice as likely to be eaten by cormorants. Shyer individuals, on the other hand, survive to a greater extent in the wild. The researchers' focus on behavioral traits rather than morphology provides new insights into predator-prey interactions.
A new study found that mindfulness group therapy has an equally positive effect as individual CBT for a range of psychiatric symptoms in patients with depression, anxiety, and stress-related disorders. The study showed significant improvements in symptoms such as depression, general anxiety, stress, and somatization.
Scientists at Lund University produced nanotubes from a single building block using molecular self-recognition, enabling controlled transport of substances like acetylcholine. The discovery could lead to new treatments for Alzheimer's disease.
Scientists at Lund University have developed a new understanding of how human blood cells form during embryonic development, showing that endothelial cells undergo dramatic changes to become blood cells. The research provides critical insights into the origins of blood and its regulation in development.
Researchers developed a new method to measure brain health by analyzing neural networks' responses to artificial touch experiences provided by a finger prosthesis. The technique offers precise insights into the cooperation between neurons and can reflect the entire brain's health, providing potential breakthroughs in neurological disea...
A team of scientists from Lund University has successfully created an iron-based molecule capable of emitting light. The breakthrough could lead to the development of sustainable and environmentally friendly materials for solar cells, lighting, and displays.
Researchers at Lund University developed a method to control extreme UV light using strong laser pulses, allowing for precise manipulation of electron dynamics and light properties. This technique has the potential to revolutionize our understanding of light/electron interactions.
Researchers from Lund University reviewed 120 articles on climate change between 1997 and 2013, finding no omission of results that could challenge the theory. However, they did find widespread selective reporting of large statistically significant results.
Researchers at Lund University have produced images that predate beta-amyloid plaque formation, contradicting the 'popcorn plaques' theory. The discovery reveals structural changes in the brain and suggests stabilizing beta-amyloid could slow disease progression.
Researchers are exploring parallels between military counter-insurgency tactics and cancer treatment, focusing on targeted therapies that harness the patient's own resources. By adopting an intelligence-led approach, clinicians can adapt treatment strategies to tackle evolving tumour genetic codes.
Early Mesolithic humans practiced selective hunting to conserve certain species, such as red deer, and hunted wild boars independently of age. A fish fermentation facility at the settlement revealed a more settled community than previously believed
Researchers discovered frogs can distinguish color in extreme darkness, making it crucial for finding escape routes. Frogs use their color vision to select food in low-light conditions, unlike humans.
Researchers at Lund University successfully reprogrammed old blood stem cells to function like those of younger individuals, revealing a potential new approach to treating age-related diseases. This breakthrough suggests that epigenetic changes, rather than DNA mutations, underlie the decline in blood cell function with age.
A new study reveals that obesity reprograms muscle stem cells through DNA methylation changes, impairing insulin sensitivity and metabolism in fully developed muscle cells. The research, conducted by doctoral student Cajsa Davegårdh at Lund University, found that pro-inflammatory genes like IL-32 play a crucial role in this process.
A new study from Lund University and international researchers reveals that cooperative breeding of offspring is key to successful colonization in harsh environments. By sharing genes, helpers and offspring benefit from monogamous breeding females, enabling species to invade previously inaccessible areas.
A study from Lund University found that intestinal bacteria can accelerate the development of Alzheimer's disease in mice. The researchers discovered a direct causal link between gut bacteria and the disease, suggesting that modulating the gut microbiota through diet and probiotics could prevent or delay its onset.
Researchers at Lund University discovered that malaria mosquitos are sensitive to horseradish, similar to the effects of heat on vertebrates. This finding suggests a shared molecular mechanism underlying temperature sensing in insects and animals.
A recent study found that oxygen levels in the air began to rise around 2.4 billion years ago, coinciding with global glaciation and a single supercontinent called Kenorland. The research suggests that volcanic activity on this massive landmass may have contributed to the unstable climate leading to fluctuations in oxygen levels.
Scientists have mapped the entire methylome in pancreatic islets, revealing correlations between DNA methylation and impaired insulin function. The study found altered methylation in 25,820 genome regions, including changes in the PDX1 gene linked to type 2 diabetes.
Research at Lund University found that both neural pathways in the striatum, called direct and indirect pathway, work together to control movements, not independently. This discovery may lead to new treatments for movement disorders like Parkinson's disease by targeting both pathways.
A recent study by Lund University researcher Mattias Möller has identified 1000 new genetic variants in blood group genes, which could have negative effects during blood transfusions. The discovery was made possible by developing a new computer program to process the genomes of 2504 people, providing insights into human genetic variation.
Researchers discovered minerals from 43 ancient meteorites, including rare and unknown types. This finding suggests a dramatically different solar system history, requiring a revision of current understanding. The study's results confirm a hypothesis presented last summer and show that the solar system is not stable over time.
Researchers have mapped how plant cells determine size and adjust growth to achieve homogeneous cell sizes over time. This breakthrough overturns previous theories in the field, providing insights into factors determining plant size and fruit production.
Researchers at Lund University successfully incorporated transplanted neurons into a stroke-injured rat brain, showing they formed normal connections with the host brain. The study used human skin cells reprogrammed to become healthy neurons and demonstrated functionality in response to touch.
Researchers studied how solvents affect skin molecules, revealing changes in fluid state and interactions with added components. The findings improve understanding of molecular mechanisms, enabling more efficient regulation of skin properties.
A study by Lund University researchers reveals that retroviruses in the human genome can affect gene expression, potentially contributing to brain development and neurological diseases. The viruses, known as endogenous retroviruses, can act as docking platforms for proteins like TRIM28, influencing protein production.
A new study from Lund University found that women with a high expression of the ER-beta estrogen receptor in their tumours had better outcomes after undergoing chemotherapy. The research could lead to more frequent check-ups and additional treatment for high-risk patients.
A new biomarker associated with an overactive stress system has been found in suicidal individuals, according to a study published in Translational Psychiatry. The biomarker, linked to higher cortisol levels, was discovered in cell-free blood plasma of patients who had attempted suicide.
Researchers used CRISPR/Cas9 to remove an enzyme that regulates the diabetes-associated TXNIP gene, leading to reduced cell death and increased insulin production in genetically modified pancreatic beta cells. The study also found that histone acetyltransferases play a crucial role in regulating the TXNIP gene.
Researchers at Lund University have mapped out an exceptionally well-preserved Stone Age site in southern Sweden, shedding light on the lives of Mesolithic humans. The discovery includes a 9,000-year-old pick axe made from elk antlers, indicating mass fishing and a semi-permanent settlement.
Research suggests that skin bacteria Propionibacterium acnes produces a protective protein called RoxP, which shields against UV radiation-induced oxidative stress and potentially various skin diseases.
A study from Lund University found that consuming high amounts of added sucrose increases the risk of myocardial infarction by about a third. The researchers analyzed data from over 26,000 participants and found no correlation between sugar intake and cardiovascular disease for those following general dietary recommendations.
Researchers at Lund University have made a significant breakthrough in producing high-quality dopamine neurons using stem cells. The study has identified key markers that correlate with successful transplantation and graft function, enabling a more accurate methods for producing dopamine cells for clinical use.
Researchers at Lund University found that common swifts spend 10 months in the air, migrating and hibernating without landing. The birds' physiology is still not fully understood, but the discovery provides new insights into animal behavior.
A Lund University research team identified high levels of reactive oxygen species in newly generated blood stem cells from pluripotent stem cells, damaging their function. The researchers developed a cocktail to reduce oxidative damage, resulting in over twenty times more blood stem cells that could grow.
Research from Lund University finds that ENSO leads to increased shortages of food and animal feed in rural areas of eastern and southern Africa. The study calculates the impact of carbon dioxide absorption by vegetation on food production and predicts a worsening situation as weather phenomena become more frequent.
A recent study by Lund University reveals that small-scale farmers in Indonesia are leading to biodiversity decline and ecosystem disruption. The researchers found that the adoption of monoculture farming practices results in short-term financial gains but long-term environmental costs.
A new study by psychologist Tomas Jungert found that warm student-teacher relationships are linked to intrinsic motivation, which drives students to defend victims of bullying. In contrast, conflicted teacher-student relationships are associated with extrinsic motivation, leading students to remain bystanders or side with bullies.
A study by Lund University researcher Pontus Nordenfelt reveals how cells move using integrins, actin, and an adaptor protein. The technique enables measuring mechanical force acting on integrins, which could lead to targeted drugs to strengthen the immune system against infections.
A review of the current knowledge on the causes of type 2 diabetes and obesity reveals a complex interplay between genetic and environmental factors. The study highlights the importance of epigenomic changes, such as DNA methylation and histone modifications, in modulating gene expression and disease risk.