Researchers found evidence of a massive volcanic eruption on Scotland's Isle of Skye that contributed to the Paleocene-Eocene Thermal Maximum, a 5-8°C temperature increase around 56 million years ago. The study uses isotope geochemistry and pitchstone analysis to confirm the Red Hills as the likely vent area for the eruption.
A recent study from Uppsala University found that genetic factors play a significant role in determining where fat is stored in the body. The researchers identified nearly 100 genes that affect distribution of adipose tissue to different compartments, with women showing stronger associations than men.
Researchers propose a new structural concept for the Universe, including dark energy, which rides on an expanding bubble in an additional dimension. This model may solve the enigma of dark energy and provide insight into the creation and future fate of the Universe.
Historical genomes of eastern gorillas show significant decline in genetic diversity and increase in harmful mutations. This decline may make them less able to adapt to disease outbreaks and environmental changes.
Scientists from Uppsala University have devised a simple method to rescue stressed liver cells by temporarily reducing cellular stress. This approach allows suboptimal human hepatocytes to be revived with restored functionality, increasing the availability of high-quality cells for laboratory experiments.
New research suggests sex-specific dominance reversal for fitness is a strong and common phenomenon throughout the genome. This mechanism helps maintain genetic variation that has led to life's spectacular diversity.
A 29-year study found that only 12% of men with advanced prostate cancer were saved from dying by surgery, while 80% had died after 29 years. Surgery did extend life expectancy by 2.9 years, but also came with significant side effects.
Researchers at Uppsala University discovered a new species of gigantic dicynodont, Lisowicia bojani, in Poland. The species is estimated to be around 4.5 meters long, 2.6 meters high, and weigh 9 tons, making it the largest non-dinosaurian terrestrial tetrapod from the Triassic period.
A new study reveals that dams and reservoirs can have unintended consequences, including exacerbating droughts and water shortages. The research team found that increasing storage capacity can lead to a vicious cycle of higher demand and decreased sustainability.
A research team has captured high-resolution images of the photosystem II protein complex, revealing its structure and mechanism for splitting water. This breakthrough could lead to the development of cheap and efficient solar fuel devices.
Norse World is a new digital resource providing an index of foreign place names in Swedish and Danish literature from the Middle Ages. The tool enables researchers to study perceptions of the surrounding world in Medieval Scandinavian literature, exploring concepts of spatiality and gender.
The study found that the selfish genes were unrelated to each other and use different mechanisms to kill sibling spores, suggesting they may be more common than previously thought. The discovery provides new insights into the genetics of fungal fratricide and has implications for understanding evolutionary patterns.
Researchers from Uppsala University have identified previously unknown retroviral insertions in European rabbits, shedding light on how ERVs spread in host populations. The study reveals substantial variation across ERV insertions in different rabbit populations, providing a genomic record of retrovirus-host associations.
Artificial enzymes convert solar energy into hydrogen gas using a new method developed by researchers at Uppsala University. The technique utilizes photosynthetic microorganisms with genetically inserted enzymes combined with synthetic compounds, enabling efficient production of renewable hydrogen gas from solar energy.
Researchers argue that observed patterns in evolution arise from statistical fluctuations rather than underlying causes. This 'push of the past' bias affects many areas of life and can lead to misleading conclusions if not recognized.
Researchers at Uppsala University developed a new computer algorithm that simulates polymer dynamics hundreds of times faster than traditional methods. This breakthrough has the potential to revolutionize fields such as inkjet printing and materials science.
A new study reveals that OLM cells in the hippocampus play a key role in controlling anxiety and risk-taking behavior. The manipulation of these cells can modulate anxiety and may lead to breakthroughs in treating pathological anxiety.
A new study from Uppsala University found that one night of sleep loss can cause tissue-specific changes in gene expression and metabolism, leading to increased fat accumulation and muscle loss. This may explain why shift work and chronic sleep loss increase the risk of obesity and type 2 diabetes.
A recent study by researchers at Uppsala University reveals that catastrophic flood events can lead to decreased human proximity to rivers, particularly in areas with low structural flood protection. This shift may help reduce exposure to future flooding events.
A study by Uppsala University found that sperm quality varies depending on a male's characteristics, such as attractiveness and age. For less dominant males, longer sperm is beneficial for fertilization success, while more attractive males benefit from smaller sperm.
Physicists have revealed new behavior involving magnetic antiparticles in ferromagnetic materials, which could lead to innovative data storage and processing methods. The researchers found that opposite topological charges can behave differently, resulting in the creation of skyrmion-antiskyrmion pairs.
A study found that the end-Cretaceous mass extinction event led to the shift in dominance from lamniform to carcharhiniform sharks. Carcharhiniforms, including Tiger and Hammerhead sharks, proliferated in the post-extinction world.
Researchers have discovered a specific brain neuron with a central role in learning and improving memory formation. The study found that activating this brain cell improved memory function, while overactivating it led to impaired learning and memory.
A study using high-resolution MRI found that domesticated rabbits have reduced amygdala size and enlarged medial prefrontal cortex compared to wild rabbits. This led to a diminished flight response and slower reaction time, as the brain's white matter structure was also compromised.
A new study by researchers at Uppsala University found that the pesticide linuron impairs male frogs' fertility and causes a female-biased sex ratio. The study used the West African clawed frog as a model organism to investigate the effects of pesticides on amphibian reproduction.
Researchers from Uppsala University have discovered evidence of large-scale whaling in north Scandinavia dating back to the mid-6th century CE. The production of whalebone gaming pieces reveals a regular supply of whalebone was needed, indicating extensive whaling practices.
A new study from Uppsala University reveals that a wide range of anti-citrullinated protein antibodies (ACPA) in immune complexes from the joints can cause local inflammation and drive joint damage in rheumatoid arthritis. This finding supports the suspicion that ACPAs are pathogenic by forming immune complexes in the joints.
The ViEWS system assesses the risk of three forms of political violence and makes predictions for countries and actors. The forecasts are compared to actual events and models are revised to optimize predictions, with a focus on transparency and open-source data.
A recent study found the Alkhurma hemorrhagic fever virus in ticks collected from migrating birds in the Mediterranean basin. The discovery suggests that birds may contribute to the spread of the virus to new geographical areas. Continuing surveillance is essential to understand the ecology of the virus and prevent its potential spread.
Researchers discovered that bacteriophages can transfer genes to E. coli bacteria, enabling them to break down a crucial cell component and reset their metabolism for new survival functions. This study highlights the importance of investigating hidden potential in bacterial cells to understand antibiotic resistance and pathogenicity.
Infants who develop autism react more strongly to sudden changes in light at 9-10 months old, according to a new study. The findings support the role of sensory processing in autism development and provide insights into early detection.
Researchers identify new position of mitochondria by analyzing environmental sequencing data and reconstructed genomes of alphaproteobacteria. The findings suggest that mitochondria evolved from an ancestor that later gave rise to all recognized Alphaproteobacteria groups, contradicting previous theories.
New research shows that low concentrations of antibiotics can lead to high antibiotic resistance in bacteria, with mutations occurring mainly in genes previously not regarded as typical resistance genes. This highlights the need to prevent further development of resistance.
Scientists have identified the most primitive kangaroo ancestor, Palaeopotorous priscus, which lived around 24 million years ago and was similar to living rat-kangaroos. The discovery sheds light on the evolution of modern kangaroos and their adaptations for hopping gaits.
Researchers from Uppsala University identified over 1,000 genes involved in rebuilding Stentor cells after damage, with the mouth part requiring roughly ten times as many genes to regenerate as the tail.
GABA is crucial for maintaining and potentially generating new beta cells, as well as regulating insulin secretion in type 2 diabetes. The anti-inflammatory effect of GABA also shields pancreatic islets from toxic white blood cells, protecting beta cells.
Scientists at Uppsala University have discovered that multiple viruses, including adenovirus, influenza virus, HIV, and herpes simplex virus, rely on the host protein ZC3H11A for efficient growth. The protein is involved in a previously unknown mechanism for handling stress in cells.
Researchers at Uppsala University discovered a peptide toxin in the bootlace worm that can paralyze and kill crustaceans and cockroaches, with potential applications in agricultural insecticides. The toxin affects sodium channels, causing electric signalling in nerves and muscles, leading to paralysis.
A recent study published in PNAS reveals that Iberian populations have a unique genetic makeup, tracing most of their ancestry to the first Neolithic migrants. The research also found that early farming practices had a homogenous diet, with little genetic influx from hunter-gatherer groups over time.
Research from Uppsala University suggests that digital gaming has no impact on social connections among teens. Teenagers who identify as gamers tend to form close relationships with peers sharing similar interests.
A study from Uppsala University reveals a link between ice volume, sea level changes and desertification in Eurasia. The research found that as ice volume decreased and sea levels rose, summer monsoon rainfalls intensified, while sandy deserts retreated.
A new study published in the British Journal of Cancer found that self-sampling followed by HPV testing can identify twice as many women at risk of cervical cancer. This method also reaches women who have previously chosen not to participate, while reducing costs and increasing effectiveness.
Researchers from Uppsala University and collaborating institutions developed a new method to measure magnetism at the atomic level, enabling detailed analysis of magnetic nanostructures. This advancement is crucial for the development of next-generation spintronic components that require functional units only a few nanometers large.
A study by Uppsala University researchers reveals that a vesicle attachment defect is the root cause of insulin secretion problems in type-2 diabetes. The defect leads to slowed arrival of new insulin-containing vesicles at the cell membrane, resulting in insufficient insulin release.
The technology involves delivering a human chemokine on site in wounds, increasing immune cell recruitment and specialization to accelerate healing. In preclinical studies, the treatment demonstrated potent effects on acceleration of wound healing in mice and models of diabetes and peripheral ischemia.
A recent study from Uppsala University found that sleep loss affects women's working memory differently than men's. Women who pulled an all-nighter performed worse on a working memory task, remembering fewer digits after sleep deprivation.
A comparative study of 1,227 individuals from three groups and seven cultures found that perceived threats to culture, traditions, and values predict outgroup hostility and violence. The research suggests that a 'Clash of Cultures' mentality underlies some Muslim-Western conflicts.
A new study suggests that infants who pay little attention to synchronous sights and sounds may be at elevated risk for developing autism spectrum disorder (ASD). The researchers found significant group differences in the infants' gaze patterns, with those with ASD showing no preference for audiovisual synchrony.
Researchers at Uppsala University have discovered a new strategy to shut down specific enzymes that can help fight cancer. By studying the native structures and mechanisms of dehydroorotate dehydrogenase, they found that lipids play a crucial role in binding drugs to this enzyme.
A new study published in PLoS Biology suggests two main migrations into Scandinavia after the last glacial maximum: one from the south and another from the north-east. The research team analyzed genomic data from seven individuals, revealing a surprisingly large number of genetic variants in Scandinavian hunter-gatherers.