A recent study by Dartmouth researchers reveals that the retrosplenial cortex plays a critical role in forming contextual memories, which enable us to recall events along with their associated physical locations. This breakthrough finding has significant implications for understanding memory-related illnesses such as Alzheimer's disease.
A new study from Dartmouth College suggests that climate warming can affect the success of invasive species in different ways. The research found that warmer temperatures can favor non-native crustacean zooplankton by increasing their growth rate and making them less vulnerable to predators.
A nationwide study involving over 5,000 teenagers found that playing mature-rated video games associated with increased deviant behaviors, including alcohol use and smoking cigarettes. The researchers suggest changes in personality, attitudes, and values contribute to the findings.
Researchers at Dartmouth College have developed a breakthrough laser that uses an artificial atom to produce light, enabling the potential development of more powerful quantum computers. The new laser relies on superconducting electron pairs and has the ability to transmit information between quantum devices.
A Dartmouth study tested brain waves and found that automatic word processing skills do not develop until after fifth grade, contrary to the fourth-grade reading shift theory. This suggests that teachers at all levels of elementary school should think of themselves as reading instructors.
A Dartmouth College study found that infant toenails are a reliable way to estimate arsenic exposure before birth. The researchers used plasma mass spectrometry to analyze infant toenails and found a significant correlation between maternal and infant toenail arsenic concentrations.
Research reveals that nearly 70% of females ages 15-19 live away from their native villages, leading to a significant outmigration of young people from the highlands. This trend threatens to create graying ghost towns at the top of the world, with population decline predicted to reach 50-60% in the next five decades.
A new study published in Frontiers in Psychology shows that brief bouts of exercise can significantly improve attention and reading comprehension in low-income adolescents. This finding has important implications for schools serving low-income populations, suggesting they should incorporate physical activity into their daily schedules.
A Dartmouth-led study reveals that climate change and Northern Hemisphere forest fires combined to drive large-scale surface melting of the Greenland ice sheet in 1889 and 2012. The research suggests nearly annual widespread melting of the ice sheet's surface by 2100, with a positive feedback mechanism set in motion.
A recent study found a significant correlation between US foreclosure crisis and rising suicide rates, especially among middle-aged adults. Foreclosures were found to affect not only individuals but also entire communities, exacerbating feelings of loss, shame, or regret.
Recent 'rock snot' blooms are caused by native Didymosphenia geminata responding to changing conditions, not human introductions or new genetic strain. Climate change and environmental factors trigger the blooms.
A Dartmouth-led study suggests that turtles share a more recent common ancestor with birds and crocodilians than with lizards and snakes. The research resolves a long-standing evolutionary debate, providing new insights into the relationships among reptile groups.
A Dartmouth-Cornell study found that anti-smoking TV ads using anger are more effective in increasing anti-smoking attitudes and intentions. The research, which manipulated the actor's expressed emotions, showed that the anger-framed ad increased perceived dominance of the speaker.
A Dartmouth-led study found that air temperature drove the expansion and contraction of glaciers in Africa's Rwenzori Mountains at the height of the last ice age. The research suggests that tropical glaciers are rapidly shrinking due to warming climate, not declining snowfall or other factors.
A Dartmouth-led study finds that temperature, not snowfall, is driving the fluctuating size of Peru's Quelccaya Ice Cap, a symbol for global climate change. The research uses field mapping and ice core analysis to determine that temperature was the primary driver of glacial expansion and retreat.
A Dartmouth-University of Connecticut study reveals that methylmercury concentrations in estuary waters, not sediment, accurately predict mercury contamination in the marine food chain. The findings suggest a shift in mercury cleanup practices to focus on measuring methylmercury in water column particles.
A Dartmouth study finds that communal acequias in the US Southwest are struggling due to reduced snowmelt and socio-economic pressures. The decline reflects changes worldwide where isolated communities integrate into larger economies, altering traditional water management systems.
A Dartmouth-Australian study provides the first global evidence that foreign aid programs can improve donor countries' public image. The research suggests that targeted and sustained foreign aid can serve a crucial geostrategic goal for those countries providing it, while also improving humanitarian outcomes.
A Dartmouth-led team has received an $8 million grant to study the effects of arsenic exposure on children's health, including allergies, infections, growth, and neurobehavioral development. The research aims to deepen understanding of environmental contaminants' impact on early life exposure and their long-term health consequences.
Researchers at Dartmouth College have developed a new fluorescent compound to detect and measure cardiolipin, a unique lipid in cell membranes. The new dye, TTAPE-Me, improves upon existing methods for detecting cardiolipin, which is linked to various diseases including heart conditions, neurodegenerative disorders, and cancers.
A Dartmouth College study suggests that more frequent logging or deforestation may better serve the planet and pocketbooks in high-latitude areas where snowfall is common. The research found that including the value of albedo, or surface reflection of incoming solar energy, can shorten optimal forest rotation periods significantly.
A Dartmouth-led study reveals that arsenic exposure can be significant through dietary means, especially from consuming alcohol and Brussels sprouts. Researchers found a strong correlation between toenail clippings and arsenic levels, particularly in those who drank more alcohol and ate more dark meat fish.
A study found that college students intended to have children about one year earlier after reading a brief online brochure about age-related fertility decline. The brochure increased their knowledge of fertility decline and in-vitro fertilization success rates, prompting them to accelerate their planned timelines.
A Dartmouth-led team has developed a more accurate method to date boulders deposited by tropical glaciers, yielding older ages and changing previous research on climate's impact. The new production rate suggests glaciers expanded during cooler and drier times in the tropics.
A new Dartmouth study suggests that chronic dieters overeat when their brain regions that balance impulsive behavior and self-control are disrupted. This depletion reduces a person's ability to engage in self-control by reducing connectivity between brain regions involved in cognitive control and rewards.
A new study by Dartmouth researchers eliminates a controversial theory that the universe's accelerating expansion is an illusion. They used Big Bang afterglow to show that Earth has no special place in the expanding universe, eliminating the possibility of a cosmic center.
A Dartmouth study sheds new light on the Wari civilization's expansion, suggesting they focused on colonization practices rather than centralized control. The researchers found that Wari power was limited to specific regions and did not emanate continuously outward from a key administrative center.
A comprehensive review of climate change's impacts on forest pests, diseases, and ecosystems reveals complex consequences. Warmer temperatures alter pest distribution, biodiversity, and ecosystem resilience, while also boosting forest health and acreage in some areas.
A Dartmouth study reveals that rural low-income children score lower on visual working memory tests, while urban counterparts perform slightly better. The research highlights a gap between verbal and visual working memories of children living in rural poverty.
Researchers conclude that indigenous peoples' ecological knowledge is crucial for developing scientific solutions to climate change. By rethinking colonialism and embracing tribal expertise, the US can harness effective adaptation strategies.
Researchers found that warmer waters increase killifish's metabolic rate, leading to higher methylmercury levels in their tissues. This suggests a global warming impact on mercury bioaccumulation in marine life, posing health risks to people who eat seafood.
A new Dartmouth-Finnish study found that high-latitude moth populations are less susceptible to temperature changes, suggesting they may be partly buffered from the effects of rapid climate warming. The findings are important because moths are a key food source for birds and other predators.
A new Dartmouth study reveals toxic metals from an open-pit mine in Maine's Goose Pond estuary are spreading into nearby sediment, water, and fish, affecting the regional marine food web. Elevated levels of copper, zinc, cadmium, and lead were found, posing a potential health risk to humans who consume seafood from these areas.
Researchers found a widespread neural network responsible for human imagery manipulations, resembling the 'mental workspace' theorized to facilitate creative thinking and problem-solving. The discovery may help advance artificial intelligence by understanding how humans create new ideas and think flexibly.
A Dartmouth-led team reveals that an asteroid impact in Quebec led to a global climate shift 12,900 years ago, causing the extinction of large mammals and prompting humans to adopt a hunter-gatherer diet. The study provides conclusive evidence linking extraterrestrial activity to environmental transformation.
Dartmouth researchers have developed a pH-activated molecular switch that controls the assembly of a commercially available liquid crystal, changing its readout color from purple to green. This technology may help detect harmful gases, pathogens, and explosives.
A new Dartmouth study finds that many people fear low amounts of chemicals in their food, despite being inherently harmless and often beneficial. The study argues that regulators should focus on pathogens and bacteria rather than pesticides and synthetic chemicals.
A team of researchers from Dartmouth College has identified a protein called ESB1 that plays a vital role in how plant roots use water and nutrients. This discovery could ultimately boost crop and biofuels production by improving the plants' ability to tolerate stresses such as salinity, drought and flooding.
A Dartmouth-led team has identified a group of stress-related proteins in plants that help them avoid sunburn in intense light. These findings could lead to the development of crops with increased protection from bright light and enhanced photosynthesis rates.
Researchers at Dartmouth College have developed a new software method to detect faked photos by analyzing inconsistent shadows, debunking claims that the Apollo 11 lunar landing photo is fake. The new forensic technique provides a more objective task for analysts, shifting the focus from visual plausibility to geometric constraints.
A team of astrophysicists discovered the extent to which quasars and black holes shape their galaxies. They found that quasar radiation can illuminate gas up to a galaxy's boundaries, influencing star formation and galaxy growth. The study uses observations from the Southern African Large Telescope and NASA's WISE space telescope.
Jason H. Moore, Professor at Dartmouth College, has been recognized for his expertise in translational bioinformatics and personalized medicine. He presented his research on Alzheimer's disease at the Third Indonesian-American Kavli Frontiers of Science Symposium.
A study found that cosmetic surgery for black women in Venezuela temporarily improves their self-esteem, but the procedure is rooted in a culture that values whiteness. The research highlights how aesthetic ideals interact with local ideas about race and marginalization.
A new method for designing quantum memory has been developed, enabling long-term storage of quantum states with low error rates. This breakthrough could revolutionize information processing and solve complex problems in fields like materials science and physics.
A Dartmouth-led study finds that logging can release large amounts of carbon stored in deep forest soils, potentially offsetting the benefits of using wood for energy. The research suggests that increased reliance on forest biomass may actually increase atmospheric carbon dioxide levels.
A new regulator for plant hormone signaling, the KISS ME DEADLY family of proteins (KMDs), has been identified by Dartmouth researchers. This discovery may lead to improved agricultural productivity and increased crop yields.
A Dartmouth College study suggests that many species of tropical lizards may not be on the brink of extinction due to climate change. The research found that high-resolution temperature measurements revealed varying effects on different lizard populations, contradicting previous predictions of widespread extinction.
Researchers discovered three unique genetic variations that influence body size and obesity in men and women of African ancestry. These gene variants, studied in a large-scale analysis of over 30,000 individuals, suggest a greater role for genes in causing increased BMI in African-Americans compared to Caucasians.
Dartmouth researchers found significant geographic differences in male and female chin shapes, contradicting the notion of a single 'sexy' chin. The study tested the universal facial attractiveness hypothesis across nine regions, challenging Darwin's theory on the evolution of physical characteristics.
Researchers found lower than expected levels of iridium and osmium at the K-Pg boundary, contradicting the asteroid impact theory. A comet explanation reconciles this with evidence of a massive crater.