The Dartmouth College team developed a system called LiSense that reconstructs human postures continuously and unobtrusively using VLC. The researchers overcame two key challenges to realize shadow-based human sensing, enabling a new passive health and behavioral monitoring paradigm.
A Dartmouth study found that NICU admission rates are rising among normal birth weight and term infants, raising concerns about the necessity of such care. The study's findings suggest that increased admissions may be due to overuse of NICU services, potentially leading to increased costs, stress, and exposure to invasive medical tests.
A study by Dartmouth physicist Robyn Millan and NASA's Van Allen Probes has discovered new X-ray actions caused by solar flares, affecting Earth's atmosphere. The findings provide insight into the processes that can impact our lives directly.
A Dartmouth team has successfully synthesized molecules that induce rapid apoptosis in leukemia cells, paving the way for further study of their biological mechanism of action. The findings hold promise for developing novel therapeutic strategies against cancer and other diseases linked to abnormal cell death.
A new Dartmouth study reveals that the brain encodes conceptual information in a way that combines object category-specific information with non-specific visual features. The research provides valuable insights into the mind-brain relationship, offering a deeper understanding of how we perceive and organize visual stimuli.
A Dartmouth-led study using a 600-year-old ice core shows that global mercury pollution increased dramatically during the 20th century, but declined faster than previously thought after emissions started to decrease in the late 1970s. The study suggests present-day efforts to cut mercury emissions will reduce pollution more quickly tha...
A Dartmouth-led study suggests that some forestlands may be more valuable without trees, as snow-covered ground can act as a natural mirror to cool the climate. The research highlights the importance of surface reflectivity in forests and its impact on climate change.
In a surprising co-existence, Ethiopian wolves have adapted to forage among grazing gelada monkey herds, capturing rodents more successfully. The study found that geladas consistently avoid aggressive dogs but flee great distances when encountering Ethiopian wolves, suggesting a non-threatening behavior between the two species.
A Dartmouth College study reveals that male tree crickets expend the same amount of energy per unit mass while singing, contradicting previous theories on biological trade-offs. The researchers found that faster pulse rates and longer song characteristics do not result in greater calorie burn.
A Dartmouth study found that U.S. Congress members' social circles play a significant role in shaping their voting behavior, rather than their ideological leanings or constituent opinions.
The SmartGPA app uses machine learning algorithms to infer student behaviors and predict GPA, showing significant correlations between study habits and academic performance. The results reveal key behavioral patterns associated with high and low performers, providing new insights for improving students' academic performance.
A Dartmouth study found that TV food commercials stimulate the brains of overweight teenagers, particularly those controlling pleasure, taste, and mouth regions. The findings suggest these mental simulations may make it difficult for obese teens to lose weight later in life.
Invasive earthworms in New England's forests are bioaccumulating high levels of toxic metals, including lead and mercury, which may harm birds, amphibians, and mammals that feed on them. The Dartmouth-led study found similar situations in forests across the northeastern United States.
Dartmouth researchers developed a novel screen-camera communication system called HiLight, enabling seamless, real-time data transfer between screens and cameras without user intervention. The system supports various applications, including augmented reality and security features.
A Dartmouth-led study examines the Midwest's agricultural output and global food security in relation to climate change. The research finds that the response of soil moisture and still fewer have assessed soil moisture using a combination of model simulations and regional observations.
A Dartmouth study found that playing a role-playing game called RePlay Health can shift attitudes towards public health issues, with players becoming more accepting and understanding of personal behaviors and health care costs.
Researchers create a single-step pathway to complex decalins, potentially leading to therapeutic agents. The study reveals unique reactivity patterns of metal-carbon bonds in complex structures.
Researchers using airborne imaging system SkyTEM detect extensive, interconnected aquifers deep beneath glaciers and lakes in the McMurdo Dry Valleys. The findings provide evidence for previously unknown microbial life and challenge assumptions about liquid water's presence beneath ice sheets.
Scientists have developed a computer system that can analyze large databases of gene-activity measurements to identify genes that are turned on in specific cell types. This allows researchers to refine their analysis through thousands of measurements, providing more information about human diseases than current techniques.
Researchers found a way to predict protein structures by breaking them into smaller fragments and analyzing their distributions in nature. This discovery could lead to understanding how certain mutations cause disease and developing new treatments.
Researchers have found conclusive evidence of a black hole in Henize 2-10, a small, starburst galaxy. The team analyzed X-ray observations from four space telescopes over 13 years, confirming the presence of a supermassive black hole with a mass one million times that of the sun.
A Dartmouth College study has found that the placenta can be used to measure arsenic exposure in pregnant women and their fetuses. The study, which analyzed 652 placentas, showed a positive association between placental arsenic concentrations and maternal-to-infant arsenic transfer ratios.
A Dartmouth-led team is studying the environmental and financial benefits of converting methane gas from cow manure into electricity and heat on Vermont and New York dairy farms. The project aims to quantify how integrating food and energy production affects farm viability and environmental impacts.
A Dartmouth College and US Forest Service study reveals that mild winters are not fuelling mountain pine beetle outbreaks in the coldest areas of the western United States. Instead, warming winters have allowed beetles to survive in historically unfavorable regions, leading to more severe outbreaks.
A new international study finds that glacier movement in the Southern Hemisphere is primarily influenced by sea surface temperature and atmospheric carbon dioxide rather than changes in the Earth's orbit. The results contradict the Milankovitch theory of climate, which suggests orbital fluctuations drive ice sheet expansion in the Nort...
A recent study by Dartmouth researchers found that Facebook conversations about surgery reveal a common pattern of call-and-response in asking for and offering prayers. Nearly four thousand people posted about surgery, with posts referencing family members triggering greater responses via comments.
Researchers found that periphyton, a community of algae and bacteria, helps transform mercury pollution from a Superfund site along the Androscoggin River into a more toxic form of mercury. Lower-than-expected levels of methylmercury were also detected in crayfish and small fish downstream from the site.
A Dartmouth-led team has identified the GIGANTEA gene as a key factor in enhancing crop plant resilience to harsh conditions. This breakthrough could lead to the development of hardier crops with improved yield, addressing global food security challenges.
A Dartmouth-led study found that climate-warmed leaves change lake ecosystems by reducing phosphorus concentrations and altering the density of zooplankton, a crucial food source for larger aquatic organisms.
A Dartmouth College study found that formula-fed infants have higher arsenic levels in their urine compared to breast-fed infants. Breast milk contains very low arsenic concentrations, highlighting the importance of breastfeeding as a way to reduce arsenic exposure.
Researchers discovered that the nucleus prepositus plays a crucial role in generating head direction signals, in addition to its function in eye movements. The study's findings have significant implications for understanding our sense of spatial orientation.
A Dartmouth study reveals that grid cells in the entorhinal cortex play a crucial role in generating the signal for spatial navigation. The findings contribute to our understanding of how we update our spatial perception as we move through our environment, which is essential for navigating and survival.
A new study reveals that worsening health conditions can serve as a predictor to mortgage distress, increasing the risk of default and foreclosure. The study found that middle-aged adults with worsening chronic conditions face nearly twice the risk of mortgage default compared to those without worsening conditions.
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.
A Dartmouth-led NASA study has found that plasma waves in the Earth's radiation belts are responsible for scattering charged particles into the atmosphere. The researchers used a combination of satellite and balloon data to test the theory and obtained quantitative results, providing new insights into space weather's impact on our planet.
Researchers at Dartmouth College and USC found that a Rocky Mountain mustard plant alters its physical appearance and flowering time in response to different environmental conditions. This suggests that some species can quickly adapt to climate change without having to migrate or evolve.
Researchers created an artificial transporter protein, Rocker, that carries individual atoms across membranes, opening new possibilities for smart molecules. The discovery demonstrates the design of complex functions rivaling those of natural molecular machines.
Researchers at Dartmouth College have created a 'green' process that reduces molecular switching waste by harnessing visible light. The new method efficiently modulates molecular switches without generating waste, opening up potential for industrial applications in fields like anti-cancer drug delivery and LCD displays.
A new study reveals that oil-dwelling bacteria have exchanged genes for eons, challenging the 'burial and isolation' scenario. The research found extensive gene flow across environments, suggesting the bacteria have long migrated to and colonized oil reservoirs.
A Dartmouth/Univ. of Exeter study found that correcting myths about the flu vaccine did not effectively promote immunization among vaccine skeptics, and in some cases even reduced intention to vaccinate among those with high concerns about side effects.
Dartmouth researchers have created an AI software that uses images to locate documents on the internet with greater accuracy than ever before. The system, tested on over 600 search queries, shows a 30% improvement in precision over traditional text-based search engines.
Researchers are experimenting with smart spaces that track users' gestures and separate shadows from light, enabling a continuous flow of data wirelessly. The integrated visible light communication project aims to bridge the gap in VLC's practical systems and networking problems.
A new study led by Dartmouth researcher Jodi Brandt shows that China's conservation efforts have displaced ancient community-managed protections, accelerating old-growth logging. Total forest cover increased, but biodiversity value decreased as scrub and secondary forests dominated the landscape.
Researchers found that restored wetlands act as net sinks of atmospheric carbon dioxide, but are large sources of methane emissions. The study's results suggest that restoring drained agricultural land-use types can help reverse subsidence and capture carbon, making it a promising approach to mitigate climate change.
Dartmouth researchers are developing a virtual reality-based relaxation system to help astronauts cope with stress on long-duration spaceflights. The Virtual Space Station program uses virtual reality, sounds, and smells to create immersive experiences that promote relaxation and calmness.
A Dartmouth study reveals that insects' fear response limits their growth in the face of climate change. Insects exhibit slower growth and reduced food consumption when exposed to predator threats, highlighting the importance of considering fear as a key environmental factor.
Researchers at Dartmouth College have developed a new approach to computer security using a wearable device called ZEBRA, which authenticates users continuously and automatically logs them out when they leave. The technology has shown high accuracy rates in verifying the correct user and identifying adversaries.
A Dartmouth smartphone app assesses users' mental health, academic performance and behavioral trends using passive sensor data, finding correlations between sleep, social activity, stress levels and GPA. The app could provide continuous mental health evaluation and intervene to boost academic performance.
A Dartmouth-led study finds that tropical reptiles can adapt quickly to climate change through natural selection. Researchers measured the thermal physiology of brown anole lizards and found that those who ran fastest at warmer temperatures had a higher survival rate, suggesting they may be better equipped to cope with heat stress.
A Dartmouth study reveals a new protein linkage pathway that may help explain the molecular mechanisms behind birth defects in older women. The research shows that immature egg cells create replacement linkages after DNA replication, essential for maintaining meiotic cohesion over time.