MIT researchers detected a clear signal of human influence on upper tropospheric ozone trends, separate from climate noise. The study provides insights into specific human activities driving this trend.
A new study by MIT and University of Chicago scientists pin down the origins of the moon's tenuous atmosphere, finding that meteorite impacts are the primary process. Over billions of years, these constant impacts have kicked up lunar soil, vaporizing certain atoms and lofting particles into a thin atmosphere.
Researchers have introduced a new AI calibration method called Thermometer, which enables efficient calibration of large language models for various tasks. This technique leverages temperature scaling to adjust a model's confidence and can generalize to new tasks without requiring additional labeled data.
A new study finds that exposure to particulate matter 2.5 microns or bigger rises by about 2.4 percent when daily travel patterns are taken into account. The research also reveals demographic disparities in exposure levels, with income and ethnicity playing a significant role.
Researchers developed a machine-learning framework that can predict phonon dispersion relations up to 1,000 times faster than other AI-based techniques, with comparable or even better accuracy. This method could help engineers design more efficient power generation systems and develop faster microelectronics.
Researchers create fast and sustainable method to produce hydrogen gas using aluminum, saltwater, and coffee grounds. They find that adding caffeine speeds up the reaction, producing hydrogen in just five minutes.
A new AI model can identify certain stages of ductal carcinoma in situ (DCIS), a type of pre-invasive breast cancer, that are likely to progress to invasive cancer. The model uses imaging and machine learning to analyze tissue samples and determine the stage of DCIS based on cell arrangement and organization.
Researchers found that large language models perform poorly in high-stakes situations despite being better than smaller models, due to misalignment with human generalization function. Human generalization, which involves forming beliefs about others' abilities, plays a significant role in LLM performance and deployment.
Astronomers at MIT and Penn State have discovered a new 'progenitor' of hot Jupiters, a highly eccentric planet with an orbit providing clues to its evolution. The planet, TIC 241249530 b, is expected to become a scorching hot Jupiter in about 1 billion years.
Researchers developed a method to assess the reliability of foundation models, enabling users to choose the best model for their task without testing it on real-world data. The approach measures consensus among multiple models and aligns representations to compare consistency.
Researchers discovered that propofol, a commonly used anesthesia drug, induces unconsciousness by causing the brain to become increasingly unstable. This instability leads to chaotic brain activity, resulting in loss of consciousness. The study's findings could help develop better tools for monitoring patients during general anesthesia.
Burning ammonia for maritime fuel could worsen air quality and lead to devastating public health impacts, even with cleaner engine technology and green production methods. The study suggests that stronger regulations could reduce premature deaths from 600,000 to 66,000 annually
GenSQL integrates a tabular dataset and a generative probabilistic AI model to analyze complex tabular data. It can detect anomalies, predict outcomes, and generate synthetic data with just a few keystrokes.
Weaker ocean circulation may lead to increased carbon dioxide buildup in the atmosphere due to a previously uncharacterized feedback loop involving iron, upwelling nutrients, and ligands. The study challenges current thinking on the ocean's role in storing carbon.
Researchers at MIT have developed a new way to make microbes hardy enough to withstand industrial processing, high temperatures, radiation, and long-term storage. The method involves mixing bacteria with food and drug additives, resulting in stable formulations that can be used in various applications.
A nationwide bottle deposit program could significantly increase the rate of plastics recycling in the US, from 24% to 82%, according to MIT researchers. With the right policies in place, including sufficient demand for recycled material, PET bottles can be safely made into new products with high quality and minimal processing.
Researchers at MIT and Mass Eye and Ear have developed an implantable microphone that performs as well as commercial external hearing aid microphones. The tiny sensor measures miniscule movements on the underside of the ear drum using a biocompatible piezoelectric material, overcoming a major challenge in fully internal cochlear implants.
Physicists have achieved a record-setting level of electron mobility in a thin film of ternary tetradymite, a class of mineral found in gold and quartz deposits. The material's high electron mobility makes it suitable for efficient thermoelectric devices that convert waste heat into electricity.
A new surgical procedure reconnects muscles in the residual limb, allowing patients to receive proprioceptive feedback about their prosthetic limb's position. Seven patients who underwent this surgery were able to walk faster, avoid obstacles, and climb stairs more naturally than those with traditional amputations.
Researchers found that AI models that analyze medical images can predict patient demographics with high accuracy but struggle to diagnose patients from diverse backgrounds. The models use demographic shortcuts, leading to incorrect results for women, Black people, and other groups.
Researchers developed a novel millimeter-wave multiple-input-multiple-output (MIMO) wireless receiver architecture that can block stronger spatial interference, improving device performance. The new design uses a special circuit to target and cancel out unwanted signals earlier in the receiver chain.
Scientists developed a new approach to drive chemical reactions, generating compounds with unique pharmaceutical properties. The method uses photocatalysis and computational models to predict successful reactions, expanding the range of accessible substrates.
Researchers observed the formation of butterfly scales' ridged pattern through advanced imaging techniques. The team found that a smooth surface wrinkles to form microscopic undulations before growing into finely patterned ridges.
Researchers used simulations to model the erosion of Titan's shorelines, finding that waves are the most likely explanation for the moon's lakes and seas. The team found that wave activity could have shaped the coastlines of lakes and seas on Titan.
Researchers from MIT and the MIT-IBM Watson AI Lab devised a navigation method that converts visual representations into pieces of language, which are then fed into one large language model. The approach utilizes purely language-based representations, generating synthetic training data to overcome challenges in visual data availability.
Researchers from MIT develop a new technique called Natural Language Embedded Programs (NLEPs) to enable large language models to solve numerical, analytical, and language-based tasks. NLEPs achieved greater than 90 percent accuracy on symbolic reasoning tasks and showed 30 percent greater accuracy than task-specific prompting methods.
Researchers at MIT develop a glassy, amber-like polymer that can store DNA at room temperature while protecting the molecules from damage caused by heat or water. The T-REX method allows easy removal of DNA without damaging it, making it a promising technology for storing digital information on DNA.
Researchers have found that cognitive maps stored in the hippocampus and entorhinal cortex are activated when navigating through space physically or mentally. The study used animal models to demonstrate that these mental maps can be created and used during purely mental run-throughs, even without physical movement.
A new computer vision technique developed by MIT engineers significantly speeds up the characterization of newly synthesized electronic materials. The technique automatically analyzes images of printed semiconducting samples and quickly estimates two key electronic properties: band gap and stability.
A team of researchers has created a water-soluble version of the bacterial enzyme histidine kinase, which could be used in high-throughput screens to rapidly test potential drugs that target this enzyme. The new protein retains its natural functions despite being converted from a hydrophobic protein.
The researchers developed a single millimeter-scale photonic chip that emits reconfigurable beams of light into a well of resin, curing into a solid shape when exposed to the beam's wavelength. Shapes can be fully formed in a matter of seconds using this chip-based 3D printer.
In the early 1600s, English clergy used discounting calculations to finesse finances amid rising prices and inflation. This adaptation of mathematical formulas resolved decades-long disagreements over rent and lease terms.
Researchers suggest microscopic, ultradense black holes formed in first quintillionth of a second after Big Bang may have produced smaller, super-charged black holes with unprecedented nuclear charge. These tiny, 'super-charged' black holes could have influenced atomic nucleus formation and detection.
Scientists developed a new technique to map relationships between genes and regulatory elements, enabling them to determine when enhancers are active and which genes they control. This could lead to the identification of potential drug targets for genetic disorders.
A study by MIT scientists found that microscopic defects in the ice shape how massive glaciers flow, leading to revised predictions of future sea-level rise. The researchers developed a model to estimate an icy region's sensitivity to stress, directly relating it to its likelihood of flowing.
Researchers combined robotics data from different sources using generative AI models to train better multipurpose robots. The approach, known as Policy Composition (PoCo), enables a robot to perform multiple tool-use tasks and adapt to new tasks in unfamiliar environments.
Researchers have developed a scalable, modular hardware platform that integrates thousands of interconnected qubits onto a customized integrated circuit. This 'quantum-system-on-chip' (QSoC) architecture enables precise control and tuning of a dense array of qubits, making it possible to achieve large-scale quantum computing.
A randomized field experiment in Seattle showed that a modest intervention of housing vouchers, financial support, and a
A study by MIT researchers found that the general public and policymakers take social media posts from world leaders just as seriously as traditional government statements. The research surveyed over 977 people about crisis signals in international relations, including tweets and official press releases. The results suggest that people...
Scientists studied gallium nitride devices under extreme temperatures and found that ohmic contacts remained structurally intact even at 500 degrees Celsius. This breakthrough could lead to the development of high-performance transistors for Venus exploration and other applications.
Researchers found that early exposure to limited color information helps the brain develop robust object recognition skills. Children born blind who have their sight restored later in life struggle with identifying objects in black-and-white images due to overreliance on color cues. The study suggests that early visual experience plays...
A new study suggests that the sun's magnetic field could arise from instabilities in the outermost layers of the sun, rather than deep within. This finding may enable scientists to better forecast solar activity and space weather.
Researchers use light instead of electricity to stimulate muscle contraction, achieving more precise control and reduced fatigue in a study using mice. The optogenetic method could have broad clinical utility for people with paralysis or amputation.
Researchers at MIT found that copper can be as strong as steel when struck by a super-high velocity object, contradicting decades of studies. The new discovery could lead to new material designs for extreme environments, such as hypersonic aircraft and equipment for high-speed manufacturing processes.
Researchers developed adhesive hydrogel coatings that eliminate fibrosis, a common issue with medical implants. The coatings bind devices to tissue and prevent the immune system from attacking them.
Researchers at MIT have developed a new method to measure the spin of supermassive black holes by tracking the pattern of X-ray flashes produced during tidal disruption events. By analyzing the wobble of the accretion disk, they were able to determine that the nearby black hole was spinning at less than 25% the speed of light.
A new detector system uses a combination of metal-organic frameworks and conductive polymers to provide continuous monitoring of toxic gases. The material shows high sensitivity and reversibility, enabling detection at low concentrations, making it suitable for industrial or home settings.
Researchers from MIT and the University of Basel developed a physics-informed machine-learning framework that can automatically map out phase diagrams for novel physical systems. This approach leverages generative models, making it possible to detect phase transitions without requiring huge training datasets. The technique has potentia...
Researchers from MIT and Georgia Tech have developed a filter made from yeast encapsulated in hydrogels that can quickly absorb lead from contaminated water. The process, called biosorption, uses waste beer yeast to bind to and remove heavy metal ions, offering a potentially cost-effective alternative to existing technologies.
The newly discovered SPECULOOS-3b is an Earth-sized, likely airless planet orbiting a nearby ultracool dwarf star. The planet's extremely close proximity to its star has likely vaporized any atmosphere, allowing scientists to study its surface composition and history in unprecedented detail.