Researchers at Scripps Research Institute reveal new insights into nicotinamide nucleotide transhydrogenase (TH), a metabolic enzyme found in most forms of life, shedding light on its structure and function. The discovery sheds light on TH's dynamic structure and how it alternates functions to maintain cell health.
New research highlights the growing threat of smoldering peat fires, which can produce large amounts of carbon and worsen air quality. As temperatures rise, peat-rich regions worldwide become increasingly susceptible to drying and burning.
Scientists confirm that face-processing areas in macaque brains respond selectively to facial motion, while reacting less to other types of motion. A new 'middle dorsal patch' is also identified, appearing reliably in response to moving faces, suggesting a potential equivalent in humans.
A team at UMass Amherst has developed an approach to make reversibly self-folding origami structures on small length scales. They use ultraviolet photolithographic patterning of photo-crosslinkable polymers to create complex structures that can be folded and redeployed.
Researchers found that distinct motor memories can be learned with unique follow-throughs, allowing for faster learning of multiple skills. Practising consistent follow-through enables tasks to be learned quickly, while variable follow-through activates multiple motor memories.
A new BIDMC study suggests that physicians are increasingly ordering advanced imaging and referring specialists for routine headaches, rather than counseling patients on lifestyle changes. This trend has significant consequences, including unnecessary patient anxiety and follow-up testing.
Complex 3D micro/nanostructures are crucial in biology, and researchers have created a simple route to form these structures by exploiting mechanics principles. The process involves using a pre-strained elastomer substrate to induce buckling processes that transform planar materials into well-defined, 3D frameworks.
Researchers discovered that charophytes, a lineage of green algae closest to land plants, can detect ethylene gas and adapt to environmental conditions. The study found nearly identical molecular machinery in both algae and land plants, with implications for understanding plant stress response and evolution.
Researchers found that exposure to cold temperatures increases levels of the protein Zfp516, which activates UCP1 in brown fat. Mice with boosted Zfp516 protein gained 30% less weight on a high-fat diet, suggesting a potential target for obesity and diabetes treatment.
Researchers developed a simple new fabrication technique that mimics the action of a children's pop-up book to create beautiful and complex 3-D micro- and nanostructures. The technique trumps 3-D printing with advantages in speed, cost, and material integration.
Researcher Mary Grossmann used an underwater observatory to study plankton during typhoons, finding consistent migratory habits despite turbulent waters. The study reveals surprising patterns, including some species avoiding high-turbidity waters and others continuing to feed at night.
Researchers found that insulin nasal spray improved short-term verbal and visual information retention in adults with mild cognitive impairment and Alzheimer's. The study also showed significant benefits for those carrying the APOE-e4 gene, a risk factor for Alzheimer's.
A large-scale survey of impurities in North American snow found regional patterns of soot and dirt, with agricultural practices playing a significant role. The study suggests that land use and farming practices may matter as much as diesel emissions in many parts of the Great Plains.
Researchers used x-rays to visualize the formation of a highly conductive silver matrix in lithium-based batteries, revealing its link to the battery's rate of discharge. The study suggests new design approaches and optimization techniques for improving battery performance.
The All-Sky Automated Survey for Supernovae (ASAS-SN) has successfully detected 89 bright supernovae and is expanding its scope to study other local sky events. The project uses six 6-inch telescopes in Hawaii and Chile, as well as amateur telescopes worldwide, to capture hundreds of bright objects in the nearby universe.
Researchers found that endothelial cells, the cells lining blood vessels, play a more active role in tumor growth than previously thought. A combination therapy involving anti-Angiopoietin-2 and metronomic chemotherapy showed promising results in reducing metastatic growth and improving survival rates in mice.
Researchers tested a new, eco-friendly toilet system that uses breathable fabric technology to filter human waste. The project aims to improve sanitation in developing nations, where millions lack access to basic facilities.
Researchers from Inserm confirm triheptanoin's efficacy in treating Huntington's disease by restoring normal brain energy metabolism. A pilot clinical trial with ten patients showed significant improvements, paving the way for a larger-scale trial.
A large international study has shown that statin treatment reduces the risk of cardiovascular disease in women, with benefits similar to those seen in men. Statins have been proven to be effective in preventing heart attacks and strokes in both sexes, especially for high-risk individuals.
Chikungunya's Asian tiger mosquito relies on road networks to disperse, posing a challenge for disease control efforts. The study suggests fumigating vehicles at checkpoints could prevent the spread of the vector and reduce its impact on human populations.
University of Pittsburgh researchers Matthew Koski and Tia-Lynn Ashman proved that Gloger's rule exists among flowers, where larger bull's-eye centers are associated with higher levels of ultraviolet light near the equator. This finding expands our understanding of biological responses to global climate change.
A study found that deworming medications reduced individual deaths from bovine tuberculosis but increased the potential for disease spread to other animals. The research suggests that treatments that aid an individual could come at the expense of a wider spread of disease in the larger community.
Researchers at Georgia Tech are investigating information leaks from laptops and smartphones, which can be used by hackers to spy on users even when not connected to the internet. They have developed a metric to measure the strength of these 'side-channel signals' and are studying where they originate to develop countermeasures.
Researchers discuss the role of Malassezia yeasts as pathogens, highlighting common skin diseases such as dandruff and atopic eczema. The study also explores the potential link between Malassezia and skin cancer, as well as bloodstream infections in vulnerable populations.
The study provides comprehensive tracking of maize origin in the Southwest, showing it entered via highland route around 4,100 years ago and later via coastal route about 2,000 years ago. Researchers also identified genes responsible for adaptation to drought and changes in starch composition.
Researchers at UCSB's Reich Group have developed a method for spatially and temporally controlling the release of proteins inside cells using near-infrared laser-activated nanocarriers. This technology allows for targeted protein delivery, enabling new avenues for basic research and therapeutic applications.
Research from the University of Missouri found that cell phone separation can lead to increased heart rates, blood pressure levels, and anxiety in iPhone users. Participants experienced a negative physiological state when separated from their iPhones, impacting puzzle performance.
Research reveals that competing for the same host plant, different pathogen strains change disease dynamics, leading to more severe epidemics. The study highlights the importance of accounting for coinfection when designing disease prevention efforts.
A Northwestern University study found that pediatric patients who listened to their chosen music or audiobooks had a significant reduction in post-surgical pain. The therapy was effective regardless of the patient's initial pain score and can be used as an alternative to opioid analgesics.
Plant scientists have discovered a new self-incompatibility system in petunias that recognizes and rejects its own pollen, preventing genetic defects. The system involves 18 male proteins recognizing 40 female proteins, which are toxic to the plant's own pollen.
A Tel Aviv University study found that fear of terrorism can lead to anxiety-related insomnia, depleting vital resources and paving the way for occupational burnout. Workplace colleagues' emotional and technical support played a crucial role in reversing insomnia and job burnout.
A new study found that consuming just one cup of blueberries per day can significantly lower blood pressure and arterial stiffness in postmenopausal women with pre- and stage 1 hypertension. The findings suggest that blueberries may mitigate the negative cardiovascular effects of menopause, reducing the risk of cardiovascular disease.
Researchers found daily blueberry consumption resulted in significant reductions of both systolic and diastolic blood pressure in postmenopausal women with pre- and stage 1-HTN. The study suggests that blueberries may prevent the progression to full-blown hypertension, potentially through enhanced nitric oxide-mediated vasodilation.
Researchers at Northeastern University have discovered a novel antibiotic called teixobactin that eliminates pathogens without developing detectable resistance. This breakthrough presents a promising new opportunity to treat chronic infections caused by staphylococcus aureus and tuberculosis, two highly resistant bacterial strains.
A meta-analysis of 12 studies found that women using Depo-Provera had a moderate 40% increased risk of acquiring HIV compared to non-hormonal methods. The study's findings have significant implications for women worldwide who use hormonal contraception.
The OPTIMISTIC program uses specially trained RNs to review hospital transfers and identify areas for quality improvement, aiming to reduce preventable hospitalizations by up to 50% in nursing home residents.
A study by researchers at McGill University and the Douglas Mental Health University Institute found that a good night's sleep is linked to better performance in math and languages, subjects critical for later learning and academic success. Higher sleep efficiency was associated with higher grades in these subjects.
Researchers tracked the motion of a binary pulsar to measure the space-time warp caused by its two highly compact stars. The study provided new information on the effects of extreme gravity on neutron stars and binary systems.
A survey of Boston teachers found that while many provided classroom-based support after the 2013 Boston Marathon attack, others lacked clear policies and training to help students cope with trauma. The study suggests that teachers play a crucial role in supporting student mental health following crises like terrorist attacks.
A large-scale survey of venom variation in two snake species reveals no local co-adaptations in eastern coral snakes, challenging traditional views on venom evolution. The consistent venom mix across Florida will aid antivenom development and inform conservation efforts for the declining eastern diamondback rattlesnake.
A new study from Harvard University compares the design of fuel systems for soft robots, assessing various types of pneumatic energy sources and their benefits for specific applications. The study provides a framework for configuring fuel systems in soft robotics.
Fossil corals on Seychelles islands suggest rapid Antarctic ice sheet retreat led to sea-level rise around 125,000 years ago. The study suggests the Antarctic ice sheet may partially collapse again due to warming temperatures.
Researchers have discovered that hydrogen binding energy is the most important factor predicting the rate of the fuel-cell reaction, enabling the design of new catalyst materials. Alkaline polymers are being explored as a potential solution to create less expensive electrocatalysts that work well in an alkaline environment.
New research shows HPV infection screening alone is more accurate than Pap testing for detecting cervical cancer. The study suggests that HPV primary screening can be used as an alternative to current methods, with recommended 3-year intervals for testing.
A new multi-institution study shows that cyanobacteria can set up positive feedback loops in lakes, amplifying the effects of pollutants and climate change to create ideal conditions for blooms. This finding sheds light on what makes cyanobacteria successful and may lead to new methods of prevention and control.
Researchers discovered that hunting bats rely on echolocation calls from fellow bats to pinpoint insect patches. By aggregating and sharing this information, bats can improve their chances of finding prey despite the challenges posed by sparse distribution and long flight distances.
Researchers found that prompting people to consider their long-term impact can motivate them to take action on climate change, leading to increased environmental concern and behavior. Participants who wrote about their legacy pledged more money to a pro-environmental nonprofit.
Research identifies strong genetic association between apolipoprotein L1 variants and FSGS in African Americans, highlighting the need for targeted therapies. Patients with these variants respond to immunosuppressant treatments but tend to progress more rapidly to kidney failure than others.
Researchers have discovered GraphExeter, a graphene-based material that withstands extreme conditions, including high temperatures and humidity. This breakthrough could revolutionize the electronics industry by replacing indium tin oxide (ITO) with a more durable alternative.
Researchers found that 'normal' metabolizers had better quit rates with varenicline versus the nicotine patch, while slow metabolizers benefited from the nicotine patch. The study suggests treating normal metabolizers with varenicline and slow metabolizers with the nicotine patch could improve quit rates.
A team of researchers studied the red devil cichlid, a species with two color variants, and found that the darker individuals can alter their brightness to match their environment, while the gold-colored fish cannot. This ability may play a crucial role in maintaining color frequencies in the wild.
Researchers have found hazardous levels of mercury hundreds of miles downstream from Peruvian gold mines, contaminating local soil, sediment, and water resources. The study highlights the widespread impact of artisanal small-scale gold mining on human health and the environment.
The ISS-RapidScat instrument measured high wind speeds off the Atlantic Ocean near the northeastern and Mid-Atlantic states. Wind chills were reported near zero in several cities, posing a risk of frostbite, with temperatures 20-25 degrees below average.
Research by András Tilcsik at the University of Toronto's Rotman School of Management shows that employees who experience similar economic environments in their early and later work lives perform better. Companies can help avoid 'curse of extremes' by diversifying new employees' experiences.
The new guidance provides a six-step process for progressive activity after mild traumatic brain injury (mTBI), with specific recommendations for rest and activity. Patients can only progress to the next stage if they are symptom-free, with worsening symptoms requiring return to previous stages.
Researchers at Huntsman Cancer Institute have developed a new tool to estimate prostate cancer risk based on family history, which can help clinicians decide whether a PSA test is appropriate. The study found that two-thirds of Utah men have some increased risk of developing prostate cancer due to their family history.
A study by the University of Geneva reveals how mice avoid their sick peers through the detection of specific olfactory signals by the vomeronasal system. This neural mechanism allows rodents to recognize and avoid diseased individuals, providing a new understanding of social behavior and innate defense strategies.
Researchers at the University of Alberta have solved heads-up limit Texas hold'em poker, a challenge problem for artificial intelligence going back over 40 years. The breakthrough is attributed to general algorithmic advances that make game-theoretic reasoning more tractable.
A new publication provides standardized descriptors for the African baobab tree, enabling accelerated research into its nutritional value and potential to increase local incomes. The descriptors will aid in domestication and cultivation, supporting sustainable development of baobab value chains.
A meta-analysis of 12 studies involving over 39,500 women found a moderate increase in HIV risk associated with DMPA use, with no increased risk for oral contraceptive pills or other hormonal methods. The study highlights the need for further research on high-risk groups
A study of Andromeda's stellar disk reveals a more disordered population than the Milky Way's, suggesting recent mergers with smaller galaxies. The researchers found that younger stars have relatively ordered rotational motion, while older stars display much more disordered motion.
Research suggests that circumcised boys are more likely to develop autism spectrum disorder (ASD) before the age of 10. The study found a higher risk of infantile autism and hyperactivity disorder among circumcised boys in non-Muslim families.
Researchers found a brownbanded bamboo shark pup born after nearly four years of isolation from males, marking the longest documented case of sperm storage in any shark species. The discovery highlights the sharks' ability to store sperm for long periods, promoting genetic diversity and potentially helping wild populations.
A team of physicists at Australian National University has improved storage time by a factor of over 100, achieving a record six-hour storage time. This breakthrough is expected to revolutionize the transmission of quantum information and enable the creation of a secure worldwide data encryption network.
A new study by researchers at Children's Hospital Los Angeles has shown that tissue-engineered small intestine grown from human cells replicates key aspects of a functioning human intestine. The tissue-engineered small intestine offers a promising treatment for short bowel syndrome, a major cause of intestinal failure.
Resistin, an immune protein found in human serum, instigates an inappropriate inflammatory response to worm infections, impairing clearance. Targeting this pathway with drugs or antibodies could lead to new therapeutic strategies for worm infections and associated pathology.
A study analyzing online comments found that men are more likely to respond negatively to articles on gender bias in STEM, while women are more likely to express gratitude and call for social change. Men also make up a disproportionate share of sexist remarks against both themselves and others.
Scientists discovered that Tregs need continuous contact with their environment to function correctly and require the T cell receptor for protection. The study showed that Tregs without the receptor lose their special ability to suppress excessive immune reactions.
A CU Denver study reveals that experiencing racial discrimination during pregnancy can significantly impact a woman's physical health and pass these effects on to her infant. The research found an association between maternal ethnic discrimination and increased levels of stress hormones in pregnant women and their infants.
A new RAND Corporation study found that eliminating government subsidies for low- and moderate-income individuals purchasing coverage through federally run health insurance marketplaces would cause a 70% drop in enrollment among those buying compliant policies. Unsubsidized premiums would rise by 47%, resulting in a $1,610 annual incre...
A new use of an existing antibody cocktail has been confirmed to provide key information about tumor recurrence in head and neck cancer patients. The ProExC cocktail allows pathologists to differentiate between true pre-neoplasia and reactive biopsies, enabling surgeons to make informed decisions about therapeutic interventions.
A 12-year study found that genetic variants, combined with lifestyle factors like smoking and drinking, can lead to chronic pancreatitis. Researchers identified a specific gene variant that may fail to protect pancreatic cells from injury, increasing the risk of inflammation and scarring.
A recent mouse study from Johns Hopkins Medicine found that modifying fat cells' metabolism does not result in obesity. The research team discovered that even when fat cells cannot burn fat, mice do not become overweight.
A study of African buffalo found that de-worming drastically improves an animal's chances of surviving bovine tuberculosis. However, this treatment allows infected animals to continue spreading TB within the herd, leading to unexpected negative consequences for the population as a whole.
The new SHELXT program solves the phase problem for single-crystal reflection data using a novel dual-space algorithm, extending resolution and accommodating missing data. With high success rates, it has already solved thousands of structures.
A new study published in the Journal of the American Heart Association found that a moderate fat diet incorporating one fresh avocado daily improved certain blood lipid markers, including total cholesterol to HDL and LDL-cholesterol ratios. The avocado diet achieved greater reductions in bad cholesterol levels compared to low-fat diets.
Monkeys can be taught to recognize themselves in a mirror through visual-somatosensory training, demonstrating the neural basis of self-awareness. The study's findings have hopeful implications for people with brain disorders affecting self-recognition.
A University at Buffalo psychologist's study shows that parents who communicate the risks of alcohol use with their young children are more likely to have kids who think critically about drinking. The research suggests maintaining those discussions as children grow older can help prevent underage drinking. The study found a correlation...
Researchers create e-Dura implant to reduce inflammation and rejection, allowing long-term application on spinal cord. The flexible device closely mimics living tissue, enabling simultaneous electrical stimulation and pharmacological delivery.
Researchers developed a culturally-based program that increased fruit and vegetable intake among Latina breast cancer survivors, leading to improved clinical outcomes and weight loss. The program's success has implications for other cancer survivors and larger populations.