A new study reveals that the mass extinction event that wiped out dinosaurs did not prompt the rapid diversification of modern mammal species. Instead, these early mammals evolved and radiated around 10 million years after the dinosaurs' demise, driven by a sudden increase in global temperature.
A new study published in PLoS Medicine found that community-based peer education, free condom distribution, and clinic-based STI treatment services targeting high-risk individuals had no effect on HIV incidence in the wider community. However, these measures did reduce HIV-1 incidence among men who participated in the program.
Analyses of glacial sedimentary rocks in Oman have produced clear evidence of hot-cold cycles during the Cryogenian period, approximately 850-544 million years ago. These findings undermine hypotheses of an ice age so severe that Earth's oceans completely froze over.
A new study published in PLoS Biology found that bdelloid rotifers, microscopic aquatic animals without males, have evolved into distinct species after over 40 million years of asexual reproduction. Genetic and jaw-shape evidence revealed adaptation to environmental differences as the primary driver of speciation.
Researchers aim to identify defective point in insulin signalling pathway for PCOS treatment. Insulin resistance linked to PCOS symptoms, fertility problems, and type-2 diabetes risk.
The £12 million Grantham Institute will bring together leading researchers from Imperial College London to develop mitigation techniques and impact public and private policy. Current research areas include heatwave forecasting, airplane condensation trail reduction, and climate change modeling.
Researchers at Imperial College London have identified two key enzymes that help meningitis bacteria evade the body's immune system. The discovery could lead to novel treatments by disabling these enzymes and making the bacteria vulnerable to attack.
Researchers mapped genetic makeup of type-2 diabetes in unprecedented detail, identifying four loci that correspond to a 70% genetic background risk. The study also reveals a mutation in the zinc transporter SLC30A8, potentially leading to new treatments for insulin deficiency.
A novel drug sequence combining tamoxifen and exemestane has been shown to improve breast cancer survival rates in postmenopausal women by 17%, according to a new study. The treatment sequence was found to be safe and well-tolerated, offering hope for improved treatment options for patients worldwide.
A new study suggests that artificial stimulation of CD28 on memory T cells can cause severe organ damage. Researchers found that activated memory T cells migrate to organs where there is no infection, leading to significant tissue harm.
Researchers analyzed dust fragments from Comet Wild-2 to gain insights into the early Solar System's formation. The study found diverse mineral compositions in the comet dust, indicating extensive mixing before planet formation, and evidence of surprising variety in cometary composition.
The Hammersmith Hospitals NHS Trust and Imperial College London have been awarded Biomedical Research Center status, guaranteeing £19.5m annual funding for the next five years. This partnership aims to translate scientific research into benefits for patients, making West London a leading centre for UK biomedical research.
Scientists have developed a technique to accurately measure and control extremely short laser pulses, allowing them to track and manipulate electrons at the atomic level. The new method enables precise reconstruction of individual femtosecond pulses, opening up new possibilities for sub-atomic research.
Scientists have engineered a molecular complex that can split water into hydrogen and oxygen using solar energy, providing an alternative to traditional electrolysis methods. This breakthrough could pave the way for more environmentally friendly production of hydrogen gas for use as a clean fuel source.
Researchers have developed a novel simulator that can recreate quantum behavior in atoms and particles, enabling control over individual parts of a quantum system. This breakthrough is crucial for developing powerful quantum computers that can perform calculations billions of times faster than normal computers.
A comprehensive worldwide map of mammals, birds, and amphibians shows that endangered species from different groups don't inhabit the same areas, contradicting conservationists' assumptions. This discovery has significant implications for conservation planning and decision-making.
Researchers developed a treatment using mechanical Left Ventricular Assist Devices (LVADs) and certain drug therapies to shrink enlarged hearts and enable normal function. The therapy improved quality of life in 88% of patients who received the full combination, with nearly all recovering from heart disease five years later.
Research identifies receptor on host cells that triggers immune response to tuberculosis, which could enable novel vaccine development to boost immunity. The discovery also highlights the importance of targeting TB in HIV-infected patients, who are highly susceptible to the disease.
A new study by Imperial College London researchers reveals that parts of the cell nucleus are not arranged randomly, but follow a predictable pattern. The discovery provides valuable insights into how cells work and could eventually lead to a better understanding of cancer.
Research finds that commercial fishing causes significant variability in exploited fish populations, leaving them vulnerable to collapse. The study suggests that managing fish stocks must account for this increased variability to ensure their long-term sustainability.
Researchers found lower vitamin D levels in women with advanced breast cancer compared to those in early stages. The study supports the idea that vitamin D may play a role in preventing breast cancer progression.
A global health expert argues that up to seven neglected tropical diseases, including river blindness and trachoma, can be brought under control with increased coverage of existing programs. This could lead to the elimination of infections in some cases and improved health outcomes for millions of people in Africa.
A recent study published in the Journal of Proteome Research found that improving a rat's diet did not normalize their metabolic profile, even when subjected to stressful conditions. The researchers discovered that certain dietary interventions could improve health markers, but the effect was limited.
Scientists discover that desert varnish on rocks in arid environments can bind organic compounds and DNA, making it a potential indicator of life on Mars. The research suggests that Martian desert varnish could contain ancient microbial signatures or chemical signs of past life.
The study found that species with smaller range areas are at higher risk of extinction due to increased vulnerability to habitat changes. Larger range sizes, on the other hand, result in fewer but larger populations, making them less susceptible to population wipeouts.
Studies of lab-grown yeast populations show that cooperators can resist cheats due to toxin accumulation, enabling long-term coexistence. Researchers suggest ideal organism type could switch between selfish and efficient metabolism in response to environmental cues.
A Europe-wide study aims to identify the key factors contributing to asthma development, with a long-term goal of prevention. The GABRIEL project will analyze genetic and environmental interactions, including the role of urbanization and industrial agents, to better understand this complex disease.
A recent study published in the International Journal of Obesity discovered that oxyntomodulin, a hormone, can reduce food intake and increase energy expenditure in overweight volunteers. This finding holds promise for developing a new therapy to treat obesity, shifting focus from dieting alone to increasing spontaneous activity levels.
A combination of interventions could be highly effective at reducing transmission in a flu pandemic, potentially saving many lives. School closure combined with antiviral drugs can halve the number of people getting ill.
Researchers develop a new method to predict how individuals respond to drugs by analyzing their metabolite profiles, which can help diagnose diseases and tailor treatments for maximum efficacy and safety. The approach accounts for genetic and environmental factors influencing drug absorption and metabolism.
Researchers discovered a novel biological process that allows poxviruses to enter cells by disrupting their outer membrane. Polyionic compounds can be used to treat poxvirus infections, even days after infection has started, making antiviral antibodies more effective.
Telithromycin shows promise in treating acute asthma attacks, reducing symptoms and recovery time. The antibiotic's anti-inflammatory properties may also help alleviate severity of asthma attacks.
Researchers from Imperial College London found that quality of life increases between ages 50-84, particularly through volunteering and social connections. Factors such as long-standing illness and financial difficulties reduce quality of life, while trusting relationships and safe living environments boost it.
A new model by Imperial College London researchers suggests that anti-HIV drugs alone are unlikely to stop the spread of HIV and may even increase infection rates due to improved health and behavior, highlighting the importance of prevention initiatives.
A new study identifies areas with potential species extinction risk, highlighting the need for proactive conservation efforts. Researchers found that many species currently deemed safe could leapfrog into high threat categories, emphasizing the importance of protecting vulnerable species before they become endangered.
Researchers capture proton motion in molecules with unprecedented accuracy, allowing for better study and control of molecular behavior. The technique enables improved methods of molecular synthesis and nano-fabrication of new materials.
Researchers at Imperial College London suggest that photovoltaics could match and exceed current nuclear output by 2023, with potential to produce 12 gigawatts of electricity. The UK's decision to halt solar panel installations is attributed to a pro-nuclear bias in scientific and government establishments.
A recent study published in Anesthesiology found that xenon was administered safely to patients undergoing coronary artery bypass grafting, showing its potential as a neuroprotectant. The discovery could lead to new treatments for conditions such as strokes and brain injuries, where nerve damage is a major concern.
Researchers at Imperial College London have developed a new transparent material that can amplify light without the need for population inversion, a fundamental property of laser technology. This breakthrough has significant implications for secure information networks, allowing for undisturbed transmission of light signals.
A randomized controlled trial found that robot-assisted surgery improved the accuracy of knee replacement operations, with all robotically assisted cases lining up bones to within two degrees of planned position. The study also showed no additional side effects and quicker recovery times.
Researchers found a significant decline in HIV prevalence in some groups, with a 49% drop for women aged 15-24 and a 23% drop for men aged 17-29. Behavioral changes, including delayed sex and fewer casual partners, are believed to be the main reason for this decline.
Researchers argue that COX-2 inhibitors, including Vioxx, are as effective as traditional NSAIDs but carry fewer gastric side effects. They suggest these drugs may be the best option for some patients without cardiovascular risk factors who cannot tolerate traditional NSAIDs.
A new study by Imperial College London found that taking a taxi can expose individuals to high levels of ultrafine particles, even when sitting in the vehicle. The study used a visualisation system to measure exposure levels across different modes of transport, revealing that walking results in the lowest exposure.
Researchers at Imperial College London have made a significant breakthrough in protein crystal formation using a novel porous material called BioGlass. The team successfully induced the crystallization of the largest number of proteins ever achieved using a single nucleant, offering new hope for drug discovery.
Scientists have identified 570 genes associated with Parkinson's disease, which could lead to the development of new treatments. The study analyzed brains from 23 patients and found that limiting the activity of these genes may help control or even stop the progression of the disease.
Widespread badger culling may reduce TB incidence, but could also lead to increased movement and transmission. Culling's impact on TB rates is mixed, with some areas experiencing increases despite population reductions.
Scientists uncover evidence of massive soil erosion as primary cause of end-Permian extinction, which wiped out over two-thirds of reptile and amphibian families. The research reveals a unique set of molecules found in rocks from Italy provided crucial insights into the event.
The CD4 Initiative aims to create easy-to-use devices for measuring CD4+ T-lymphocytes in HIV+ patients, addressing the high cost and complexity of current technologies. The project will bring together industry know-how and scientific creativity to develop simple, rapid, and affordable tests.
Researchers at Imperial College London have directed embryonic stem cells to become cartilage cells, showing potential for growing new cartilage for transplantation. This breakthrough technique could also be used in cosmetic and reconstructive surgery, offering a new solution for joint replacements and other medical problems.
The lack of sexual reproduction in the asexual fungus Penicillium marneffei is limiting its ability to adapt to new environments, making it highly successful in its local area but stopping its spread to other areas. This inability to adapt may ultimately lead to extinction due to the importance of gene mixing for adaptation.