A Dartmouth-led study projects that Antarctica's glaciers will rapidly retreat and potentially collapse by 2200, increasing global sea levels by up to 5.5 feet by 2300. The researchers used 16 ice-sheet models to refine the projection of ice loss over the next 300 years.
Dartmouth anthropologists argue that jungle gyms and monkey bars are essential for childhood development, allowing children to build resilience and confidence through risk-taking play. The research cites fossil evidence showing early humans spent extensive time in trees, and modern nonhuman primates exhibit similar climbing skills.
A new study led by Dartmouth researchers questions the rapid polar ice collapse model used in the IPCC's sixth assessment report. The team found that the expected rate of retreat is significantly lower than predicted, making the worst-case scenario less likely, but still dire due to ongoing ice loss from Greenland and Antarctica.
Researchers at Dartmouth College developed a technique using light to imprint 2D and 3D images inside any polymer containing a photosensitive chemical additive. The technology enables the creation of erasable 3D displays with high resolution, applicable in surgeries, architectural designs, education, and art.
A Dartmouth study suggests that social rank determines whether animals prioritize short-term energy consumption over long-term health, with dominant monkeys consuming food quickly to maintain dominance, while lower-ranked monkeys invest time in washing their food to prevent tooth damage. The findings shed light on the disposable soma h...
Researchers at Dartmouth College have developed a self-powered pump that uses natural light and chemistry to target and remove specific water pollutants. The pump uses synthetic molecular receptors designed to bond to negatively charged ions, which are then trapped and released in a non-reactive substrate.
Researchers created a new cortical surface template called 'OpenNeuro Average' that provides greater accuracy and efficiency in analyzing neuroimaging data. The template is based on the geometric shape of the brain and can be used for studies on cognition, clinical neuroscience, autism, and neurodegenerative diseases.
Researchers analyzed six US cities and found that tree species in parks were more drought-tolerant and reflected greater native biodiversity than those in residential yards. The study highlights the importance of planting drought-tolerant trees in urban areas to adapt to future climate change.
The US food system is dominated by industrial agriculture, which perpetuates global challenges like food insecurity and biodiversity loss. Agroecology offers a solution, prioritizing ecological and social sustainability without sacrificing one for the other.
A study by Dartmouth College finds that regenerative agriculture's impact on farmers extends beyond financial gain, influencing their relationships and quality of life. By adopting practices like reduced tillage and cover cropping, farmers experience reduced dependence on agrochemicals and improved soil fertility.
Researchers at Dartmouth College found that fruit fly oocytes can renew chromosome-linking proteins, potentially helping older women reduce pregnancy complications. The discovery could lead to new therapeutic strategies for enhancing protein rejuvenation in human eggs.
A new study finds that the US Drought Monitor is not keeping pace with climate change, leading to frequent severe droughts being classified as rare. The consequences are dire, with some regions spending more time in extreme drought conditions than federal guidelines allow, potentially leaving them without adequate aid.
A new Dartmouth study has found that prolonged contact between locals and migrants in Afghanistan did not reduce prejudice against migrants. The researchers tested psychologist Gordon Allport's 'contact theory' through a vocational training program, but found that structural changes are needed to address the issue.
A new study reveals that a single hurricane can wipe out 5-10% of New England's total aboveground forest carbon through tree damage. The research team analyzed the impact of 10 powerful hurricanes on the region's forests and found that future storms could pose a significant risk to carbon offset programs.
A Dartmouth-led study found that people in New England, particularly those who frequently consume seafood, face an increased risk of PFAS exposure. The researchers recommend setting safety standards to limit seafood consumption and highlight the need for more stringent public health guidelines.
A new study identifies multiple emotion regulation systems in the human brain, providing targets for therapy. The research reveals that regions in the anterior prefrontal cortex and higher-level cortical hierarchies are involved in emotion regulation.
Researchers discovered that mature oligodendrocytes, critical for brain function, can survive for up to 45 days after a fatal trauma, defying the classical programmed cell-death pathway. This finding opens new avenues for understanding and potentially preventing damage caused by aging and neurodegenerative diseases.
A new Dartmouth study reports on a unique case of prosopometamorphopsia (PMO), a rare condition that distorts facial features. The researchers used computer software to visualize the patient's real-time perception of face distortions, providing accurate and photorealistic visualizations for the first time.
A recent study found that most Americans support democratic norms, with 17.2% of Democrats and 21.6% of Republicans supporting at least one norm violation. However, the researchers also discovered a divide between everyday citizens and elected officials who are pushing against democratic governance.
A Dartmouth Engineering-led study discovered a new high-performance solar absorber material that is stable and earth-abundant. The researchers used a unique high-throughput computational screening method to evaluate approximately 40,000 candidate materials, leading to the discovery of the Zintl-phosphide BaCd2P2.
A four-year study by Dartmouth researchers tracks changes in student mental health during college, identifying key populations and stressors. The study found that first-year and female students are at risk for high anxiety and low self-esteem, while sophomores experience increased social activity but higher stress levels.
A new smartphone application using AI and facial-image processing software detects the onset of depression before symptoms appear. MoodCapture captures facial expressions and surroundings, then evaluates them for clinical cues associated with depression.
Researchers found that Chinese migrants in Los Angeles Chinatown overcame economic barriers by raising pigs and distributing pork, a practice similar to traditional South China pig husbandry. The study analyzed dental calculus on pig teeth, revealing rice as the primary food source.
New research reveals permafrost's dominant role in shaping Arctic rivers and storing massive amounts of carbon. Thawing permafrost could unleash billions of tons of CO2, exacerbating climate change.
A Dartmouth-led research team created an experimental green roof to test the effect of native prairie microbes on soil microbial community development. Their findings demonstrate that active management accelerates soil development faster than passive reestablishment, fostering a more diverse and sustainable soil community.
A new Dartmouth study finds that seasonal snowpacks have shrunk significantly over the past 40 years due to human-driven climate change. The sharpest global warming-related reductions are in the Southwestern and Northeastern United States, as well as in Central and Eastern Europe.
A new study has identified a neural coding mechanism that allows for the transfer of information between perceptual and memory regions of the brain. This discovery challenges traditional understanding of brain organization and suggests that memory areas encode visual information in a 'photographic negative' format.
A new study on the role of polls in South Korea highlights the limitations of polling in a democratic society. The research finds that technology, methodology, intentions, and reporting can affect poll results, leading to a social construction of public opinion influenced by pollsters and media.
Researchers discovered that reindeer's vision evolved to spot Cladonia rangiferina, a type of lichen, during winter. This adaptation allows them to conserve energy by finding food from a distance, making it easier to survive in cold environments. The study provides new insights into the extraordinary visual system of reindeer.
A recent study published in the Proceedings of the National Academy of Sciences found that AI's deep convolutional neural networks can identify faces but struggle to capture other important information like emotional state and trustworthiness. Brain activity scans revealed a weak correlation between AI's codes and human brain represent...
A new study published in Nature Human Behaviour found that the US Supreme Court's Dobbs v. Jackson Women's Health Organization decision led to an increase in public support for abortion rights, with 2.4 percentage points more respondents believing abortion should be legal for women who choose to have one.
A Dartmouth study analyzing declassified Cold War satellite imagery identified 396 previously undocumented Roman forts across the northern Fertile Crescent. The forts were constructed from east to west, contradicting Father Antoine Poidebard's north-south axis claim and suggesting a more complex distribution along Rome's eastern frontier.
A Dartmouth-led study found that tweets featuring K-pop group BTS generated 111 times more virality than similar tweets without the artist's name. This highlights the power of entertainment in driving public health messages and bridging cultural divides.
A new modeling method powered by interconnected processors removed human bias from the debate over dinosaurs' demise. The study suggests that the outpouring of climate-altering gases from the Deccan Traps alone could have been sufficient to trigger global extinction, consistent with volcanic eruptions contributing to the mass extinction.
A Dartmouth study analyzing wearable data from 137 US adults with type 1 diabetes found seasonal fluctuations in blood sugar management. Patients tend to maintain healthier levels during warmer months and struggle more during colder months, particularly during holidays.
Operation Mercury successfully halted most illegal gold mining activity in La Pampa, Peru, reducing deforestation and water quality issues. However, spillover effects led to increased mining in legal areas, highlighting the need for stronger regulations to mitigate environmental harm.
A study published in Science Advances found that exposure to harmful content on YouTube is driven by a small group of users subscribing to these channels, not algorithmic recommendations. Most viewers of these channels are also subscribers to the channel in question or similar ones, indicating a pattern of seeking out content.
A study by Dartmouth researchers reveals that human shoulders and elbows evolved to facilitate 'downclimbing' - the process of descending from trees without dying. This adaptation allowed early humans to navigate their environment safely, gathering food and deploying tools for hunting and defense.
A Dartmouth-led study reveals the devastating impact of gold and mineral mining on tropical rivers worldwide. Mining operations have doubled suspended sediment concentrations at 80% of affected rivers, altering river ecosystems and threatening human health.
A Dartmouth-led study suggests that expanded irrigation of corn and soybeans in the US could outweigh costs by mid-century. The research found that certain regions, such as North Dakota and Michigan, would benefit from irrigation due to increasing drought conditions.
A study examining Facebook users' news feeds found that reducing exposure to content from politically 'like-minded' sources had no measurable effect on political beliefs or attitudes during the 2020 US presidential election. The study also found that participants were exposed to more cross-cutting sources and less uncivil content after...
A new study has captured the early stages of planetary evolution, observing a young gas planet's violent and erratic atmospheric shedding. The research, led by Dartmouth researchers, provides insights into the most common experiences of planets beyond our solar system.
A study led by Dartmouth College researchers found that participants' color memory improved when stimuli were meaningful and part of real-world objects. The results demonstrate that the capacity for visual working memory of colors is more continuous and flexible than previously thought, with better recall of colors in meaningful contexts.
A game theory study from Dartmouth College reveals that being uncooperative can lead to a more equal outcome, even for the weaker party. By refusing to fully cooperate, players can resist extortion and ultimately achieve a better payoff.
A new Dartmouth study projects a 52% increase in extreme precipitation events in the Northeast by the end of the century. The region is expected to experience more frequent heavy rainfall events, with winter and spring contributing most to this projected increase.
A recent study by Dartmouth researchers finds that global economic losses from El Niño can persist for several years after the event, with a significant impact on the world's poorest nations. The study projects total losses of $84 trillion for the 21st century, highlighting the need for climate change mitigation and adaptation strategies.
A new Dartmouth study reveals high rates of childbirth fear in US pregnant people, associated with factors such as racism, low income, and pre-existing conditions. The COVID-19 pandemic further exacerbated these fears, leading to increased stress and anxiety during labor.
A study from Dartmouth College found that athletes' physique is adapted to shedding or retaining heat in certain climates, affecting their performance in Ironman events. Taller, leaner runners excel in warm climates, while stockier builds fare better in colder climates.
A new study by Dartmouth College researchers found that biased prior beliefs played a significant role in how people from both political parties updated their fraud beliefs after the 2020 U.S. presidential election. The study used a probability-based computational model to analyze survey data and found that Democrats and Republicans te...
A new Dartmouth study examines how changes in precipitation and temperature due to global warming affect streamflow and flooding in the Northeast. The research finds that a warmer climate will lead to increased streamflow and higher flood risk, particularly if soils become wetter and more prone to heavy rainfall events.