Researchers at Dartmouth College developed a technique to produce synthetic steroids, paving the way for new drug discoveries. The process reduces time and expense to develop therapeutics from rare, mirror-image isomers of naturally occurring steroid structures.
Researchers have demonstrated how aerial thermography is transforming archaeology by introducing a new realm of possibilities for collecting site data. The study showcases the potential of this methodology to reveal archaeological features, detect hidden structures, and analyze environmental conditions.
A Dartmouth-led study found a link between brain structure and teenagers' capacity for considering others' intentions. As adolescents mature, their cognitive strategies shift towards considering the other player's intentions in fairness concerns, coinciding with cortical thinning in key brain regions.
A Dartmouth study finds that Americans are consistently less supportive of refugee resettlement within their own communities than nationally. Negative media frames also decrease public support for resettlement, but proximity to refugees can mitigate this effect.
Researchers have identified a set of genes that help control early drought response in Brassica rapa, a popular global crop. The study sheds light on how plants respond to water stress throughout the day-night cycle, revealing potential mechanisms for improving drought resistance and fertilization efficiency.
Research from Dartmouth College finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified storm activity in the North Pacific. This has led to increased storminess in Alaska and Northwestern Canada, with some areas experiencing colder, wetter conditions as far away as Florida.
Researchers examined spearfishing practices in the Caribbean, finding that compressor divers targeted higher-quality fish more efficiently than free divers. The study highlights the importance of understanding fishing methods to develop effective management strategies for coral reefs.
Scientists have identified how cytokinin activates genes to regulate plant growth, allowing for stem cell establishment in grains like rice and corn. The study reveals the mechanism of type-B ARRs in regulating cytokinin response and growing shoots in tissue culture.
Scientists have found that random diversification and extinction of cells can organize bacteria into taxonomic units as effectively as traditional ecological forces. This discovery challenges current models of microbial classification, highlighting the need for a reevaluation of the task.
A Dartmouth study reveals that Big Food companies have little control over the farmers who supply their raw materials, despite ambitious goals to reduce emissions and environmental degradation. The companies' reliance on commodity trading companies for staple ingredients further limits their knowledge and influence.
Researchers at Dartmouth College developed a new-generation microporous material that scrubs iodine from water. The breakthrough could hold the key to cleaning radioactive waste in nuclear reactors and after nuclear accidents like Fukushima.
A Dartmouth-led study finds that the increase in extreme Northeast storms occurred as an abrupt shift in 1996, particularly in the spring and fall. The region experienced a 53% increase in extreme precipitation from 1996 to 2014, with tropical cyclones and nor'easters being key drivers.
Researchers at Dartmouth College developed a prototype smartwatch called Cito that can rotate, hinge, translate, rise, and orbit in five different directions. The innovative technology improves the user experience by addressing limitations of fixed-face watches.
Researchers at Dartmouth College replicated popular outdoor rock climbing routes on an indoor climbing wall using 3D modeling and digital fabrication. The study found a close visual match between climbers' poses on the original and replica routes, with climbers agreeing that the movement felt similar.
A Dartmouth-led study refutes the theory that behavior under uncertainty is optimal, finding that synapses can self-adjust learning rates using metaplasticity. The brain adjusts learning according to the uncertainty about reward in a given environment.
A new study by Dartmouth College researchers finds that bipartisan coalitions are more likely to form in Congress when it becomes more polarized, enabling lawmakers to override presidential vetoes. This occurs as party leaders gain control over procedures and presidents use veto power strategically.
Researchers at Dartmouth College have developed a 3D printing method to transform microscopic nanorings into smart materials that perform work at human-scale. The new technique enables the creation of complex smart devices beyond current grasp, with potential applications in soft robots and other tasks.
Researchers found that landscape age and topography are stronger predictors of available phosphorus than rock type. As climate change impacts the McMurdo Dry Valleys, increased mineral phosphorus availability could support the growth of microscopic organisms.
A Dartmouth study found that Batek hunter-gatherers in Peninsular Malaysia relocated their camps based on resource depletion, maximizing foraging efficiency. The findings support the marginal value theorem and highlight the importance of social cooperation and food sharing in group decision-making.
A Dartmouth-led study finds that roads trigger rapid evolutionary changes in wild populations, with some species adapting to pollutants and others becoming maladapted. This shift is transforming scientists' views of the biological impacts of roads on ecosystems.
A new model exploring evolutionary dynamics found that phenotypic diversity co-evolves with contingent cooperation to protect against defectors, fostering group cohesion. The study's findings suggest that a high level of phenotypic diversity is crucial for successful cooperation and resistance to invasion.
A Dartmouth-led study published in Sociology of Education found that college completion rates, not student loan debt, are more strongly associated with the 'boomeranging' effect. Black youths who take on debt face a higher risk of returning home due to limited access to fair credit and economic strain.
A Dartmouth study reveals that children genetically predisposed to obesity have a stronger brain response to fast food commercials. The findings suggest that limiting exposure to food advertisements could be an effective way to combat child obesity.
A recent study published in the American Journal of Human Biology found that American Indian adults who experienced early life trauma are at a higher risk of developing post-traumatic stress disorder (PTSD) and poor physical health. The research highlights the importance of addressing early interventions to minimize this risk.
Researchers from Autodesk and Dartmouth College developed Printone, an interactive design tool that allows users to create functional 3-D printed wind instruments with interactive sound simulation feedback. Users can transform shapes into instruments and play favorite melodies.
A study by geographers at Dartmouth College and the University of Sheffield maps out complex networks of economic systems, natural resources, and infrastructure in US megaregions. The analysis reveals functional regions within broader areas, emphasizing the role of economic geography in understanding community needs.
A new study suggests that Mary Shelley's novel 'Frankenstein' is rooted in biology and warns of the consequences of unchecked population growth. Researchers found that a growing population of creatures could drive humans to extinction within 4,000 years.
A Dartmouth study categorizes college students into three friendship networks: tight-knitters, samplers, and compartmentalizers. These networks impact academic and social success, with tight-knitters facing potential negative influence from peers. Samplers often transition to tight-knit groups after graduation.
Researchers found that increased reactive oxygen species in oocytes cause significant chromosome segregation errors, contributing to the maternal age effect. The study suggests that antioxidant-rich diets may slow down the accumulation of oxidative damage, reducing segregation errors.
A new Dartmouth study demonstrates a causal relationship between imbalanced brain activity and behavioral control during adolescence. Researchers found that an imbalance in prefrontal cortex and nucleus accumbens activity disrupts inhibitory control, leading to delayed learning and increased risk-taking behavior.
Researchers have developed a new technology called DarkLight that enables visible light communication even in dark environments. The technology uses ultra-short, imperceptible light pulses and can transmit data over short distances without being blocked by obstacles.
A Dartmouth-led team has developed WristWhirl, a smartwatch prototype that enables users to perform common touch screen gestures with one-handed continuous input. The prototype demonstrated accurate gesture recognition and was tested in various usage scenarios, showcasing its potential for future smartwatch applications.
A collaborative project led by Peter Ulric Tse aims to develop a unified model of attention that applies across multiple domains. The goal is to understand focused attention, critical for daily tasks, and its impact on brain systems.
In a controlled study, researchers found that two aye-ayes and a slow loris could discriminate between varying concentrations of alcohol and preferred the highest concentrations. The findings support the idea that fermented foods were important in human ancestors' diets, potentially pre-adapting humans for the Neolithic Revolution.
Mobile health technology has the potential to improve healthcare quality and expand access to services, but researchers warn that current measures may not be enough to safeguard patient data. The authors propose several research challenges to address issues like data sharing, authentication, and anonymity.
A Dartmouth team has developed a system that uses LED panels and only 20 light sensors to reconstruct a user's 3D skeleton in real-time. The new StarLight system has practical applications in virtual reality, non-invasive health monitoring, and passive behavioral monitoring.
A new study published in Elementa: Science of the Anthropocene found that removing dams in New England can help reconnect fragmented river networks and improve watershed resilience. The study, conducted by a team of researchers at Dartmouth College, examined the impact of dam removal on regional aquatic ecosystems.
Dartmouth College scientists have discovered a new way to produce sustainable feeds for tilapia and other farmed fish. They found that replacing wild fish oil with marine microalgae increases the nutritional value of the fish while reducing environmental impact.
Researchers found that chemical reactions between injected freshwater and fractured shale caused barium to leach directly from the rock. They also discovered a specific depth interval where barite grains were 'bitten' by pyrite, leading to barium mobilization in clay minerals.
Researchers have designed a new class of faster adiabatic pulses that retain sensitivity to small errors, allowing for more efficient control of quantum devices. This breakthrough enables the creation of practical devices such as ultra-fast computers or precise quantum sensors.
A Dartmouth researcher and collaborators have unveiled a reconfigurable smartwatch called Doppio, featuring two touch-sensitive display faces that can interact in various ways. The device offers multiple uses, including notifications, private viewing, task switching, and more.
The 'L-functions and Modular Forms Database' (LMFDB) provides a detailed catalog of mathematical objects, mapping out connections between them. This online resource reveals deep relationships in the abstract universe, providing a guide to previously uncharted territory under current research.
A Dartmouth-Stanford study examines the cognitive processing and persuasive effects of health product-related advertorials on over 670 people. It found that unlabeled advertorials were less likely to trigger consumer awareness, but increased favorable attitudes toward advertising messages and purchase intention.
A Dartmouth College study finds that both prey type and quality affect mercury accumulation in fish, with bottom-dwelling prey accumulating less mercury due to higher calorie content. Fish feeding on plankton in open water accumulate more mercury, leading to lower growth rates and higher concentrations in their tissues.
A new study published in ACM CHI '16 found that processing information on digital versus non-digital platforms affects construal levels, with digital platforms leading to more concrete thinking. Participants scored higher on concrete questions and lower on abstract questions when reading on digital platforms.
A Dartmouth-Princeton study found that people can intentionally forget past experiences by altering the context of those memories. Participants who were told to forget random words showed a 'flushing out' of scene-related activity from their brains, while remembering led to increased recall.
A Dartmouth study reveals that surface meltwater and subglacial discharge are driving the loss of ice mass in Greenland's coastal glaciers. The findings show that meltwater can exploit weaknesses in glaciers, fracturing and weakening them, and also increase calving and melting.
Scientists at Dartmouth College created an artificial protein that organizes buckminster fullerene molecules into ordered superstructures. This breakthrough enables the precise organization of molecules by design, leading to potential applications in medicine and energy.
A Dartmouth College study measures bias in how we learn and make decisions, revealing contradictory biases when combining evidence from different sources. The research shows that our ability for learning and inference is limited and biased due to the inability to separate information about cues from overall probability of outcomes.
A Dartmouth-led study reveals that chimpanzees use advanced manual prehension to evaluate and select figs, demonstrating a significant foraging advantage over other primates. The findings provide new insight into the evolution of skilled forelimb movements and the ecological origins of human hands with fine motor control.