Researchers have discovered that modern Africans carry Neanderthal DNA, contradicting previous assumptions about the geographic isolation of Neanderthals and ancestral African populations. The study also sheds light on the origin of Neanderthal sequences in Africans, revealing a history of human migration and gene flow.
A new study suggests that state-purchased insurance plans are improving HIV outcomes for people living with the disease. The research found that increased enrollment in these programs is associated with better viral suppression rates, which can lead to a reduction in new HIV transmissions and healthcare costs.
The guideline provides a framework for diagnosing and treating complex ADHD in children and adolescents, emphasizing the importance of psychosocial interventions to improve function. Key action statements include comprehensive assessment, behavioral and educational interventions, and monitoring throughout life.
A new study confirms Lense-Thirring precession - a phenomenon of relativistic frame-dragging - in a distant binary star system. The research observes a long-term drift in the orbital parameters due to the rapidly rotating white dwarf companion, confirming Einstein's general theory of relativity.
Researchers found that giving progesterone to women with early pregnancy bleeding and a history of miscarriage can increase their chances of having a baby. The treatment is estimated to cost £204 per pregnancy and could lead to an additional 8,450 live births per year.
A new study finds that the CATCH My Breath program significantly reduces the likelihood of e-cigarette use among middle school students who complete the curriculum. The program has been shown to be effective in educating students about the dangers of vaping and helping them resist nicotine addiction.
A team of UPenn researchers is developing a new CAR T-cell gene therapy treatment for advanced metastatic prostate cancer, with the goal of overcoming resistance to current treatments. The ACGT-funded study aims to re-engineer T-cells to induce safe, long-term remission in patients.
A new MRI tool has been developed and shown to be 90% accurate in distinguishing between malignant and benign ovarian cysts. This could lead to earlier treatment and improved outcomes for women with ovarian cancer, reducing the need for invasive surgery.
Using a combination of pluripotent stem cells and machine learning, researchers have improved how they generate lung cells. This technique enables the growth of lung cells in a laboratory for over a year, allowing for better modeling of lung diseases and potential personalized treatments.
A recent study published in PLOS ONE has shown that the human brain's ability to recall simple movements is significantly affected by previous actions. The research found that actual physical movement had a greater influence on success than mere observation, suggesting that consistent lead-in movements are crucial for optimal recall. T...
A research team has discovered a possible target for new sleeping sickness drugs using an X-ray laser. The scientists decoded the structure of a key enzyme in the parasite Trypanosoma brucei, which could lead to a specific drug that kills the parasite.
Researchers at Tokyo University of Science discovered a novel anti-cancer strategy targeting tumor-associated macrophages (TAMs) by regulating FROUNT protein. Disulfiram, an alcoholism treatment, was found to inhibit cancer cell growth and suppress TAM movement in animal experiments.
A study found that people's desired personality changes did not align with actual changes, even when participants expressed strong desires for change. College students showed some changes, but often in unintended directions. The findings suggest that changing personality traits may require external assistance.
Scientists develop genetically engineered bacteria to target Varroa mites and deformed wing virus, increasing survival rates by up to 70%. The approach could one day scale up for agricultural use, improving bee health and food production.
A new intervention program developed by Boston College researchers in partnership with Bhutanese and Somali communities reports high rates of satisfaction and engagement from refugee families. The study found improved child mental health and family functioning outcomes, including reduced traumatic stress reactions and depression symptoms.
The study, conducted at FiraTàrrega market in Tàrrega, Spain, found that women are more likely to cooperate and have a better understanding of their partner's intentions. Men, on the other hand, tend to be more impulsive and less cooperative when interacting with someone of the same gender.
Angela Wandinger-Ness, a distinguished pathologist, has been honored with the AAAS Lifetime Mentor Award for her dedication to increasing diversity in STEM fields. Through her research and mentorship, she has mentored approximately 270 scientists from underrepresented communities.
A role-playing game called Citizenship Quest helped students build trust and empathize with immigrants from China, India, and Mexico. The exercise increased understanding among students who had little direct contact with immigrants.
An international team of astrophysicists has found evidence for 'frame-dragging', a phenomenon where the spinning of a celestial body twists space and time. The discovery confirms Einstein's theory of General Relativity and provides new insights into the behavior of white dwarfs and neutron stars.
Research reveals physical connectivity between southern Red Sea and Indian Ocean, highlighting need for regional marine conservation approach. Genetic patterns suggest clearer separation between northern and southern parts of sea.
Researchers at Rice University have developed a theoretical model explaining how RNA polymerase enzymes trigger bursts of RNA production in cells. The model suggests that DNA supercoils, like springs, are involved in the process, with RNA polymerases compressing and releasing tension to regulate protein production.
The American Institute of Aeronautics and Astronautics (AIAA) has announced the 2020 International Student Conference winners, recognizing outstanding research in aerospace engineering. The top three winners are from Ohio State University, the University of Texas at San Antonio, and Georgia Institute of Technology.
Researchers at KAIST discovered a computational and neural mechanism for human meta reinforcement learning, enabling the porting of key human intelligence elements into AI algorithms. The study highlights how humans adapt to complexity and uncertainty in decision-making.
A new study found that low-intensity exercise activates brain networks involved in cognitive control and attention processing, while high-intensity exercise primarily affects emotion processing. The results suggest a potential therapeutic strategy for neurological and psychiatric disorders.
A new injection technique has been developed to deliver neural precursor cells to spinal cord injuries, reducing further trauma and promoting reparative cell propagation. This method may have utility for multiple neurodegenerative conditions such as spinal traumatic injury, amyotrophic lateral sclerosis, and multiple sclerosis.
A study found that people who quit smoking have more genetically healthy lung cells than current smokers, with a lower risk of developing into cancer. These 'protective cells' can help protect against lung cancer and may even allow new, healthy cells to actively replenish the lining of airways.
A severely infected patient revealed a rare genetic variation in immune deficiency, linked to CMV control. Researchers sequenced the man's genes and found a mutation in NOS2, a critical component of macrophages that kill microbes.
The UTokyo team revealed a protein called Zucchini processes piRNA from an immature form into a functional form, while another protein called Trimmer matures the intermediate piRNA. The researchers discovered that the signal for cutting RNA strands is more complex than previously thought.
A recent study found that leading smart device conversational agents, such as Siri and Alexa, are unable to provide meaningful help for quitting substances like opioids, alcohol, and tobacco. However, researchers suggest that updating these devices to promote resources like helplines could prove highly effective in addressing the natio...
Research finds that low levels of infection can cause chronic bladder dysfunction and magnify sensations felt by patients with urinary tract infections. Understanding how nerves transmit different sensations to the brain could help limit bladder dysfunction in overactive bladder patients.
A new paper in the Journal of Marketing examines the changing role and management of brands in a hyperconnected world. Brands are blurring boundaries, becoming more than just products or symbols, but ideas, persons, and places.
At-home genetic ancestry tests may decrease beliefs in racial essentialism among those with higher genetic knowledge, but increase them among those with lower genetic knowledge. The study suggests that people's understanding of genetics influences the impact of ancestry testing and polarizes test-takers' views on racial essentialism.
Research from the University of Göttingen reveals that graphene's electrical resistance varies considerably depending on its proximity to the underlying crystal. At low temperatures, variations in local resistance were found to be up to 270 percent.
A Canadian observational study found strong associations between a poor work environment and care aides' self-reported rushed or missed tasks. The study highlights the need for better staffing, culture, and leadership to improve care quality in nursing homes.
Chronic exposure to interleukin-1-beta promotes lung cancer metastasis by altering gene expression, enabling cancer cells to adopt a phenotype that facilitates distance organ colonization. The study provides new insights into the role of chronic inflammation in tumor progression and metastasis.
The University of Illinois at Urbana-Champaign has developed a game-based virtual archaeology field school to make the archaeological experience accessible to more students. Students learn archaeological techniques, dig in virtual caves, and conduct laboratory analyses using realistic tools and simulations.
A study by the National Institute of Standards and Technology found that used cigarette butts emit toxic chemicals, including nicotine and triacetin, into the air. These emissions can persist for several days, posing health risks to people in close proximity.
Xu is being honored for her efforts to recruit women, underrepresented minorities, and first-generation college students to the fields of chemistry, biochemistry, and biomedical sciences and engineering. She has led a laboratory pursuing research at the interface of chemistry, biology, engineering, and medicine.
Engineers at Caltech and Stanford have created a microelectronic controller that enables jellyfish to swim three times faster than usual without stressing the animals. The prosthetic uses electrical impulses to regulate and speed up the pulsing motion, making the jellyfish over 1,000 times more efficient than swimming robots.
A new study from the University of Vermont suggests that ecological systems exhibit high levels of randomness, making it difficult to determine the effectiveness of management strategies. The research found that intermediate levels of management effort can lead to higher variability in outcomes.
Research found that highly stressed pregnant women experience similar brain development alterations as those with prenatal detected heart defects, regardless of their socioeconomic status. The study suggests high maternal stress and depression levels can affect fetal brain structure and function.
A new mutation in the mt-Cyb gene of a mouse model for GRACILE syndrome drastically speeds up disease progression. The discovery provides a valuable tool for studying mitochondrial diseases and their function.
Research published in PNAS reveals that brain networks 'come online' during adolescence, allowing teenagers to develop complex adult social skills. However, this process may also increase the risk of mental illness.
A study found that increased LOXL2 protein levels in alveolar rhabdomyosarcoma cells promote metastasis. The protein's role in regulating metastatic function remains unclear, but it interacts with vimentin, a cytoskeletal protein involved in cell migration.
The new all-optical encryption innovation uses standard optical equipment to render fiber-optic light transmission invisible, spreading the transmission across multiple colors in the optical spectrum bandwidth. This method creates multiple weaker data streams that are hidden under noise and elude detection.
Researchers found that upper-ocean stratification is increasing in about 40% of the world's oceans, which could have a negative impact on the marine food chain. The study suggests that global warming may be driving this trend.
University of Illinois researchers develop a new tire design that prioritizes puncture-free strength while maintaining elasticity for a shock-free ride. The study uses computer optimization to create unique structural patterns in the shear layer, ensuring the material can withstand pressure without failing.
The Society for Industrial and Organizational Psychology (SIOP) and SHRM announced Walmart and Wendy's as winners of the 2019-2020 Human Resource Management (HRM) Impact Award. The award recognizes organizations with outstanding evidence-based HR management practices, such as Walmart's Retail Associate Assessment (RAA) project and Wend...
Chronic lymphocytic leukemia (CLL) patients respond differently to ibrutinib treatment due to individual genetic and epigenetic profiles. The study reveals a shared genetic program in CLL cells responding to ibrutinib, but with patient-specific execution, leading to varying disease progression rates.
A Rutgers University-led study using robotic kayaks found layers of concentrated meltwater in the ocean, revealing significant ambient melting rates near glaciers. This challenges current frameworks for analyzing ocean-glacier interactions and has implications for sea-level rise.
A study published in The Journal of Nutrition found that most American adults consume meals of poor nutritional quality when dining out, with disparities affecting certain groups. The researchers recommend improving the nutritional quality of restaurant meals and reducing health disparities to promote healthier eating.
A new study found that highly active adults engage in a greater variety of physical activities, with walking being the most common type of exercise. The research suggests that mixing up your workouts can be beneficial for meeting exercise guidelines.
Researchers identified mutant tumor protein 53 (mtp53) and poly-ADP-Polymerase (PARP) proteins as key drivers of growth in triple negative breast cancer cells. Suppressing these proteins with combined PARP-inhibiting therapies may offer a targeted treatment for this aggressive form of the disease.
Researchers have discovered a way to modify molecules to remove toxic radioactive elements from spent nuclear fuel, making the process safer and more efficient. This breakthrough could lead to improved design of new molecules for spent fuel reprocessing, enabling better management of long-term radioactive waste.
Researchers found that genetic makeup of mice can influence transfer of antibiotic-resistant plasmids, suggesting new ways to stop resistance. The study analyzed how plasmids spread in genetically different groups of mice, leading to discovery of potential host factors triggering or reducing plasmid transfer.
Researchers analyzed genes expressed in bat cochleae to understand the origin and evolution of high-frequency hearing. They identified 34 genes involved in hearing or auditory perception with evidence for positive selection in echolocating species.
UVphotonics presents novel UV LED developments with customizable wavelengths and compact size ideal for water purification, disinfection, medical diagnostics, and more. The company's product portfolio has been expanded to include integrated driver circuits and fully packaged UVC LEDs.
Jesse Chan, a computational and applied mathematician at Rice University, has received a five-year NSF CAREER Award to develop new technologies for reliable simulations of fluid flow. The grant will support his research on developing stable numerical methods for high-fidelity simulations.
Researchers have identified 10 compounds with insecticidal activity produced by symbiotic microbes in a traditional Chinese medicinal plant, potentially leading to new natural pesticides. The substances were strongly toxic to aphids and moderately toxic to spider mites.
A Yale-NUS research team discovered a connection between the Great Barrier Reef and the Australian continental landmass via airborne microbes. This finding underscores the interconnectedness of ecosystems, necessitating holistic conservation efforts.