A Dartmouth College study found that more than 500 home runs since 2010 can be attributed to higher-than-average temperatures due to climate change. Rising temperatures could account for 10% or more of home runs by 2100, with some stadiums experiencing significant spikes in home run totals.
Researchers from Dartmouth and University Medicine Essen found that strong links between brain measures and traits can be obtained when machine learning algorithms are utilized. This approach allows for high-powered results from moderate sample sizes, opening up studies of many traits and clinical conditions previously inaccessible.
A Dartmouth study found that COVID-19 can cause 'prosopagnosia,' or face blindness, and impairments in navigational abilities. Researchers worked with a patient who experienced difficulty recognizing faces and navigating, leading to dissociation between face recognition and cognitive map representation.
A new study published in Scientific Reports found that individuals who synchronize their pupil dilation patterns to a simple rhythmic beat also exhibit higher levels of synchrony with other minds, such as attending to the same story. This suggests an underlying mechanism uniting different forms of synchrony.
A new study by Dartmouth College researchers finds that sanctions on wealth managers would be more effective than asset seizure in crippling Russia's oligarchs. The research uses network science to map the connections between wealthy individuals and their financial experts, revealing a vulnerable network that can be disrupted with targ...
Researchers found that nectar-feeding bats rely on extra-long whiskers to navigate flowers while feeding, providing enhanced spatial information. Clipping whiskers reduced agility but didn't impact feeding ability.
A study by Dartmouth College researchers found that bacteria can form protective clusters with rival species, making it harder to kill harmful bacteria. This discovery highlights the importance of studying multispecies biofilm structures and may impact the development of bacteriophages and predatory bacteria as antimicrobial alternatives.
A team of researchers has discovered three ultra-faint dwarf galaxies around a Milky Way-mass galaxy, providing insights into the formation and evolution of these enigmatic objects. The findings may help develop universal models for how the universe's oldest galaxies formed.
Dartmouth College researchers have developed a durable copper-based coating that can precisely be integrated into fabric to create responsive materials for protective equipment, environmental sensors, and smart filters. The coating responds to toxic gases in the air by converting them into less toxic substances trapped in the fabric.
A new study found that foreign interference in American elections can reduce faith abroad in the United States as a trustworthy ally. Japanese citizens' trust in the US was higher when informed that US democracy is functioning versus not. The findings highlight the international security implications of successful electoral interference.
The discovery of microRNAs in octopus species reveals a common role in advanced brain development and cognition, linking the evolution of intelligent life. MicroRNAs regulate protein expression, diversifying cell function and enabling complex organisms to perform specialized tasks.
Researchers identified two methods of harvesting rice, which helped initiate rice domestication. The findings showed that the early Neolithic cultures in southern China used both 'finger-knife' and 'sickle' techniques to harvest rice, with the latter method becoming more widely used as rice became more domesticated.
A new Dartmouth study uses a subjective approach to investigate how people perceive social interactions. The results show that the brain responds more strongly to information interpreted as social versus non-social, highlighting humans' tendency to see social connections.
Researchers analyzed over 4,500 documents to understand fungal dispersal across spatial scales. They identified four scales of movement, from microscopic to landscape, and found that climate change affects where fungi reside. More data is needed to understand the biodiversity of fungi and their movement in ecosystems.
The study found that the Northeast Greenland Ice Stream could add a half-inch or more of water to sea levels by the end of this century. The researchers used satellite data and numerical modeling with GPS data collected from the harsh interior of Greenland over the past decade.
A Dartmouth study found that severe heat waves resulting from climate change have already caused massive economic losses worldwide. The research estimates $16 trillion was lost to the effects of high temperatures on human health, productivity, and agricultural output.
A new study from Dartmouth College found that specific intensities of exercise over a long period are associated with different aspects of memory and mental health. Participants who exercised at moderate intensities performed better on episodic memory tasks, while those who exercised at high intensities did better on spatial memory tasks.
A new study suggests that massive volcanic eruptions were the primary cause of mass extinctions, including the one that wiped out the dinosaurs. The research found a strong temporal connection between flood basalt eruptions and significant climatic events.
A new study led by Dartmouth researchers provides the clearest understanding yet of supermassive black holes' life cycles. By analyzing X-ray telescope data and a new data analysis technique, scientists found that accretion rates vary significantly depending on how obscured an object is by gas and dust ring.
A Dartmouth-led study found that urban gardens with rare plant species tend to attract rare bee and bird species. Women, older gardeners, and those living near the gardens are more likely to curate these rare plants, suggesting a cascading effect on biodiversity.
A Dartmouth study provides a scientific basis for climate liability claims between individual countries, linking national emissions to global economic losses and warming. The research estimates $6 trillion in cumulative losses attributable to the world's top emitters from 1990 to 2014.
The construction of dams and changes in land use have significantly impacted the amount of sediment rivers carry to oceans. Sediment transport has decreased by 49% globally due to dam construction, while increasing on 36% of rivers in the south, primarily driven by deforestation.
Research on the invasive Sirex woodwasp estimates it can reproduce up to 2-3 times higher in North America than in its native range, posing a significant threat to local ecosystems. The wasp's ability to tolerate climate extremes and spread rapidly makes it a challenging insect to control.
A recent Dartmouth study using mobile technology compares emotional well-being of college students before and during the pandemic, finding significant differences in mental health and behavior. The research identifies two groups with differing experiences, with one group showing poorer mental health, anxiety, and stress.
Researchers from Dartmouth College used artificial intelligence to draft wine and beer reviews, finding agreement between human and machine-generated reviews. The team also developed a system to write review syntheses, aggregating elements from existing reviews to provide limited but relevant information about products.
A Dartmouth study using advanced recording technology reveals that females prefer lower frequency songs with low variance, while males time their songs to follow neighbors. The research shows how chorus composition and individual songs impact mating in wood frogs.
Researchers at Dartmouth College have developed a new theoretical description of how the Hall effect determines the efficiency of magnetic reconnection. The study reveals that the Hall effect suppresses energy conversion from magnetic fields to plasma particles, enabling rapid energy release and explosive magnetic explosions in space.
Researchers at Dartmouth have built the world's first superfluid circuit using pairs of ultracold electron-like atoms, allowing for controlled exploration of exotic materials like superconductors. The circuit enables analysis of electron movement in highly controllable settings.
A recent commentary by Dartmouth College's Bala Chaudhary highlights the challenges faced by women researchers who choose to get married and change their last names. The lack of a consistent way to update publication records can lead to biases in grant and tenure applications, potentially affecting career advancement.
A new atlas measures the movement and thickness of over 250,000 mountain glaciers worldwide, revealing a mixed picture of the globe's ice-bound freshwater resources. The research suggests there is 20% less ice available for sea level rise than previously thought, with significant implications for water availability and climate change.
A new study published in Nature Human Behaviour finds that COVID-19 fact checks can immediately reduce misperceptions, but these effects do not persist over time. The research suggests that repeatedly debunking false claims about the coronavirus is necessary to effectively address misinformation during the pandemic.
Dartmouth researchers identified a new type of neuron in the rat brain that facilitates visual and spatial processing by tracking visual landmarks. The postrhinal cortex neurons can fire in two directions depending on the environment, allowing rats to estimate their direction.
A new study verifies that ancient glaciers caused the erosion of rocks up to 3 miles thick during the Snowball Earth period, resolving a long-standing debate. The research uses thermochronology to estimate temperature and thermal structure, finding a widespread signal of rapid cooling consistent with massive glacier erosion.
A Dartmouth study found that people who respond faster to each other in conversations feel more connected. The research, published in the Proceedings of the National Academy of Sciences, used response time data to measure social connection between strangers and close friends.
A new study analyzing the rock record rules out atmospheric oxygen before the Great Oxygenation Event, potentially rewriting our understanding of Earth's past. The research team used high-resolution techniques to inspect specimens of the rock, finding evidence that chemical data suggesting early oxygen may have been introduced later.
A Dartmouth team compiled a global-scale dataset to show how uncertainties over determining snow depth can actually improve predictions of water availability. The approach leverages observational and definitional uncertainties to make better assessments of snow droughts and their impacts.
Researchers predict existence of split photons, a new phase of light that behaves like a coin with two distinct halves. The finding advances fundamental understanding of light and its behavior, challenging long-held beliefs.
Researchers found that our concept of self becomes increasingly indistinct as we think about ourselves farther in the past or future, affecting decision-making and memory recall. The 'temporal self-compression' effect challenges traditional notions of identity and time perception.
Researchers have designed porous, carbon-based crystals that can stretch to more than twice their length, making them suitable for nanofiltration and pollutant removal. By adding 'soft joints' into the crystal's scaffold, they can be disrupted by specific chemicals, causing the crystal to expand and contract rapidly.
Researchers have found conclusive evidence that early humans made footprints at Laetoli Site A in Tanzania, contradicting the long-held theory that they were made by bears. The study reveals distinct differences between human and bear footprints, including a wide heel-to-toe ratio, which suggests bipedal locomotion.
A Dartmouth study uses mobile sensing to predict individual job performance based on commute data, revealing the link between work commute and job quality. The research also shows how data from personal tech devices can help improve employee productivity and satisfaction.
Researchers developed metrics to quantify information in animal responses to reward feedback, showing that animals exhibit undermatching behavior. The new metrics provide a way to predict this deviation from the matching law, offering insights into adaptive behavior and decision-making.
A new Dartmouth study found that a neural code shared across brains is responsible for recognizing familiar faces, including social and personal information. The study used hyperalignment to align brain responses into a common space, revealing high decoding accuracy in areas outside of visual processing.
Research found that warming water temperatures and browning increase methylmercury transfer to phytoplankton, reducing essential polyunsaturated fatty acids. This impacts the food chain, exposing higher organisms to toxic mercury and compromising nutrition, posing a threat to human health.
Researchers at Dartmouth College have identified proteins PYE and ILR3 that help protect plants from damage during iron deficiency. These proteins enable the plant to optimize its light protection mechanisms, allowing it to continue photosynthesizing without suffering tissue damage.
A Dartmouth study found that individuals who experienced higher levels of stress on a given day had lower social interaction the following day. The research used mobile phone sensing data from 99 undergraduate students and showed that stress predicted less social interaction, but not the other way around.
Researchers used fractal analysis to study brain network patterns while listening to a story. The results show that complex thoughts are reflected in high-order dynamic correlations in neural activity patterns.
Researchers found that Maya rulers altered their cities' structures and alignments to reflect their own desires and authority. Many temples were built on top of existing ones or abandoned altogether, shifting the focus from community ritual to ruler-centric politics.
Research from Dartmouth College reveals that making and breaking eye contact during conversations can create a dynamic balance between shared attention and individual expression. Pupillary synchrony decreases after eye contact breaks, allowing for creativity and new thoughts, while also signaling shared understanding.
Researchers at Dartmouth College have developed a theory that produces and detects light in a vacuum, challenging classical physics. The experiment uses an accelerating diamond membrane to create photons, which are then amplified by multiple photon detectors.