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Top Science News

November 29, 2023
Brittle Stars Can Learn Just Fine -- Even Without a Brain
Nov. 29, 2023 — We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. These shy marine creatures have no brain to speak of -- ...
An Astronomical Waltz Reveals a Sextuplet of Planets
Nov. 29, 2023 — Astronomers have found a key new system of six transiting planets orbiting a bright star in a harmonic rhythm. This rare property enabled the team to determine the planetary orbits which initially appeared as an unsolvable ...
Astronomers Discover Disc Around Star in Another Galaxy
Nov. 29, 2023 — In a remarkable discovery, astronomers have found a disc around a young star in the Large Magellanic Cloud, a galaxy neighboring ours. It's the first time such a disc, identical to those forming planets in our own Milky Way, has ever been found ...
Telescope Array Detects Second Highest-Energy Cosmic Ray Ever
Nov. 23, 2023 — In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray’s energy shocked astrophysicists. Nothing in our galaxy had the power to produce it, and the particle had more energy ...
Latest Top Headlines
updated 10:46pm EST
Soccer Heading Linked to Measurable Decline in Brain Function
Nov. 29, 2023 — New research links soccer heading -- where players hit the ball with their head -- to a measurable decline in the microstructure and function of the brain over a two-year ...
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Clever Dosage Control Mechanism of Biallelic Genes
Nov. 29, 2023 — Researchers have uncovered a mechanism that safeguards the biallelic expression of haploinsufficient genes, shedding light on the importance of having two copies of each chromosome. A study identified the epigenetic regulator MSL2 an 'anti-monoallelic' factor that maintains biallelic gene dosage. This discovery not only reveals a communication system between parental alleles but also points to ...
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Understanding Subjective Beliefs Could Be Vital to Tailoring More Effective Treatments for Depression and ADHD
Nov. 28, 2023 — Taking into account whether people believe they are receiving a real treatment or a fake one (placebo) could provide better insights that could help improve interventions for conditions such as depression and ...
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First Multi-Chamber Heart Organoids Unravel Human Heart Development and Disease
Nov. 28, 2023 — Heart disease kills 18 million people each year, but the development of new therapies faces a bottleneck: no physiological model of the entire human heart exists -- so far. A new multi-chamber organoid that mirrors the heart's intricate structure enables scientists to advance screening platforms for drug development, toxicology studies, and ...
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New Astrophysics Model Sheds Light on Additional Source of Long Gamma-Ray Bursts
Nov. 29, 2023 — Cutting-edge computer simulations combined with theoretical calculations are helping astronomers better understand the origin of some of the universe's most energetic and mysterious light shows -- gamma-ray bursts, or GRBs. The new unified model confirms that some long-lasting GRBs are created in the aftermath of cosmic mergers that spawn an ...
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Building Blocks for Life Could Have Formed Near New Stars and Planets
Nov. 29, 2023 — While life on Earth is relatively new, geologically speaking, the ingredients that combined to form it might be much older than once thought. The simplest amino acid, carbamic acid, could have formed alongside stars or planets within interstellar ices. The findings could be used to train deep space instruments like the James Webb Space Telescope to search for prebiotic molecules in distant, ...
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How Do You Make a Robot Smarter? Program It to Know What It Doesn't Know
Nov. 28, 2023 — Engineers have come up with a new way to teach robots to know when they don't know. The technique involves quantifying the fuzziness of human language and using that measurement to tell robots when to ask for further directions. Telling a robot to pick up a bowl from a table with only one bowl is fairly clear. But telling a robot to pick up a bowl when there are five bowls on the table generates ...
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Composition of Asteroid Phaethon
Nov. 28, 2023 — Asteroid Phaethon, which is five kilometers in diameter, has been puzzling researchers for a long time. A comet-like tail is visible for a few days when the asteroid passes closest to the Sun during its orbit. However, the tails of comets are usually formed by vaporizing ice and carbon dioxide, which cannot explain this tail. The tail should be visible at Jupiter's distance from the ...
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Landscape Dynamics Determine the Evolution of Biodiversity on Earth
Nov. 29, 2023 — A landmark study into the geological timescale distribution of sediment and nutrients over 500 million years shows that species biodiversity on Earth is driven by landscape ...
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How Shifting Climates May Have Shaped Early Elephants' Trunks
Nov. 28, 2023 — Researchers have provided new insights into how ancestral elephants developed their dextrous trunks.  A study of the evolution of longirostrine gomphotheres, an ancestor of the modern day elephant, suggests moving into open-land grazing helped develop their coiling and grasping ...
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Solar Activity Likely to Peak Next Year
Nov. 28, 2023 — Researchers have discovered a new relationship between the Sun's magnetic field and its sunspot cycle, that can help predict when the peak in solar activity will occur. Their work indicates that the maximum intensity of solar cycle 25, the ongoing sunspot cycle, is imminent and likely to occur within a ...
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Future Floods: Global Warming Intensifies Heavy Rain -- Even More Than Expected
Nov. 27, 2023 — The intensity and frequency of extreme rainfall increases exponentially with global warming, a new study finds. The analysis shows that state-of-the-art climate models significantly underestimate how much extreme rainfall increases under global warming -- meaning that extreme rainfall could increase quicker than climate models ...
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Health News
November 29, 2023
US Men Die 6 Years Before Women, as Life Expectancy Gap Widens
Nov. 14, 2023 — We've known for more than a century that women outlive men. But new research shows that, at least in the United States, the gap has been widening for more than a ...
AI Faces Look More Real Than Actual Human Face
Nov. 13, 2023 — White faces generated by artificial intelligence (AI) now appear more real than human faces, according to new research. In the study, more people thought AI-generated white faces were human than the faces of real people. The same wasn't true for ...
Any Activity Is Better for Your Heart Than Sitting -- Even Sleeping
Nov. 9, 2023 — Replacing sitting with as little as a few minutes of moderate exercise a day tangibly improves heart health, according to new ...
Brain Implant May Enable Communication from Thoughts Alone
Nov. 6, 2023 — A speech prosthetic developed by a collaborative team of neuroscientists, neurosurgeons and engineers can translate a person's brain signals into what they're trying to say. The new technology might one day help people unable to talk due to ...
Latest Health Headlines
updated 10:46pm EST
Enhanced Treatment of Liver Carcinoma With a Drug-Eluting Hydrogel
Nov. 29, 2023 — Scientists have developed an injectable or catheter-administered hydrogel with enhanced capabilities for treating hepatocellular carcinoma, a deadly form of liver cancer. This drug-eluting hydrogel can provide sustained, pH-dependent drug co-delivery and has capabilities for promoting anti-tumor immune responses. This reduces tumor cell proliferation and growth and offers a more efficient means ...
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Researchers Identify Cell Signaling Pathway Controlling Melanoma Cell Metastasis to the Brain
Nov. 29, 2023 — Researchers have been working to better understand what drives melanoma brain metastasis. They now report on the identification of a cell signaling pathway that regulates the metastatic spread of melanoma cells to the ...
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Mindfulness-Based Intervention Shows Promise for PTSD in Cardiac Arrest Survivors
Nov. 29, 2023 — A novel pilot study incorporating mindfulness into exposure therapy shows promise for reducing symptoms of post-traumatic stress in cardiac arrest survivors. One in three survivors of cardiac arrest survivors develop PTSD,  increasing their risk of mortality, yet no specific treatment has been developed for this population. ...
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Drugs Already Licensed Could Be Trialled to Potentially Treat Secondary Brain Cancer
Nov. 29, 2023 — The largest review of papers for brain cancer that has spread from the lungs has found abnormalities in the brain cancer and for which licensed drugs could be clinically trialed to find out if they could treat the disease.  The research also found genetic differences between smokers and ...
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Brain Scans of Former NFL Athletes Show a Repair Protein in Place Long After Initial Injury
Nov. 29, 2023 — In a new study using brain scans of former NFL athletes, researchers say they found high levels of a repair protein present long after a traumatic brain injury such as a concussion takes ...
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Eye-Safe Laser Technology to Diagnose Traumatic Brain Injury
Nov. 29, 2023 — Researchers have designed and developed a novel diagnostic device to detect traumatic brain injury (TBI) by shining a safe laser into the ...
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New Study Reveals the Critical Role of Microglia in Human Brain Development
Nov. 14, 2023 — An international team of scientists has uncovered the vital role of microglia, the immune cells in the brain that acts as its dedicated defense team, in early human brain development. By incorporating microglia into lab-grown brain organoids, scientists were able mimic the complex environment within the developing human brain to understand how microglia influence brain cell growth and ...
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Conscientious Personalities Less at Risk of Dementia Diagnosis
Nov. 29, 2023 — People with personality traits such as conscientiousness, extraversion and positive affect are less likely to be diagnosed with dementia than those with neuroticism and negative affect, according to a new analysis. The difference was not linked to physical damage to brain tissue found in dementia patients, but more likely to how certain personality traits help people navigate dementia-related ...
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Newborn Babies at Risk from Bacteria Commonly Carried by Mothers
Nov. 29, 2023 — One in 200 newborns is admitted to a neonatal unit with sepsis caused by a bacteria commonly carried by their mothers -- much greater than the previous estimate, say researchers. The team has developed an ultra-sensitive test capable of better detecting the bacteria, as it is missed in the vast majority of ...
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Slippery Toilet Bowl Treatment Causes Bacteria to Slide Right Off
Nov. 29, 2023 — When entering public restrooms, it's hard not to dwell on what germs previous users have left behind in the toilet bowl. Imagine, instead, a self-cleaning system that doesn't require a brightly colored gel. Researchers have developed a simple, transparent coating that makes surfaces, like porcelain, more water-repellent. They show how this surface treatment effectively prevents bacteria from ...
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Psychological Science Can Help Counter Spread of Misinformation
Nov. 29, 2023 — Debunking, 'prebunking,' nudging and teaching digital literacy are several of the more effective ways to counter misinformation, according to a new ...
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Creativity in the Age of Generative AI: A New Era of Creative Partnerships
Nov. 20, 2023 — Generative AI (e.g., ChatGPT) has propelled AI into the mainstream, raising concerns about job displacement and creative work. Experts now emphasize a need to focus on 'co-creativity,' the human-AI interaction instead. Extensive research is needed for comprehending co-creativity which is crucial for the future development of ...
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Physical/Tech News
November 29, 2023
Dwarf Galaxies Use 10-Million-Year Quiet Period to Churn out Stars
Nov. 21, 2023 — If you look at massive galaxies teeming with stars, you might be forgiven in thinking they are star factories, churning out brilliant balls of gas. But actually, less evolved dwarf galaxies have bigger regions of star factories, with higher rates of ...
NASA's Webb Reveals New Features in Heart of Milky Way
Nov. 21, 2023 — The latest image from NASA's James Webb Space Telescope shows a portion of the dense center of our galaxy in unprecedented detail, including never-before-seen features astronomers have yet to explain. The star-forming region, named Sagittarius C ...
Printed Robots With Bones, Ligaments, and Tendons
Nov. 15, 2023 — For the first time, researchers have succeeded in printing a robotic hand with bones, ligaments and tendons made of different polymers using a new laser scanning technique. The new technology makes it possible to 3D print special plastics with ...
James Webb Space Telescope Detects Water Vapor, Sulfur Dioxide and Sand Clouds in the Atmosphere of a Nearby Exoplanet
Nov. 15, 2023 — Astronomers have used recent observations made with the James Webb Space Telescope to study the atmosphere of the nearby exoplanet WASP-107b. Peering deep into the fluffy atmosphere of WASP-107b they ...
Latest Physical/Tech Headlines
updated 10:46pm EST
Greener Solution Powers New Method for Lithium-Ion Battery Recycling
Nov. 29, 2023 — Used lithium-ion batteries from cell phones, laptops and a growing number of electric vehicles are piling up, but options for recycling them remain limited mostly to burning or chemically dissolving shredded batteries. Researchers have improved on approaches that dissolve the battery in a liquid solution in order to reduce the amount of hazardous chemicals used in the process. This simple, ...
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A Single Bitcoin Transaction Could Cost as Much Water as a Backyard Swimming Pool
Nov. 29, 2023 — Cryptocurrency mining uses a significant amount of water amid the global water crisis, and its water demand may grow further. Researchers provides the first comprehensive estimate of Bitcoin's water use. He warns that its sheer scale could impact drinking water if it continues to operate without constraints, especially in countries that are ...
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Blasts to Clear World War II Munitions Could Contaminate the Ocean
Nov. 29, 2023 — World War II concluded decades ago, but live mines lurking on the ocean floor still pose threats, potentially spewing unexpected geysers or releasing contaminants into the water. Experts conduct controlled explosions to clear underwater munitions, but concerns have arisen over the environmental impacts from these blasts. New results show that the contamination produced by detonation depends on ...
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Swapping Blood for Spit -- For Convenient at-Home Health Monitoring
Nov. 29, 2023 — Blood tests are a common, yet often painful, step in health care. But what if we could skip the needles altogether? Saliva and blood contain many of the same biomarkers, and collecting spit is as simple as drooling into a container. Researchers have developed a device that detects glucose and adenosine monophosphate (AMP) biomarkers in saliva with high sensitivity, which could help make at-home ...
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A Gamma-Ray Pulsar Milestone Inspires Innovative Astrophysics and Applications
Nov. 28, 2023 — Scientists have announced the discovery of nearly 300 gamma ray ...
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Hydrogen Detected in Lunar Samples, Points to Resource Availability for Space Exploration
Nov. 21, 2023 — Researchers have discovered solar-wind hydrogen in lunar samples, which indicates that water on the surface of the Moon may provide a vital resource for future lunar bases and longer-range space ...
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New Way of Searching for Dark Matter
Nov. 27, 2023 — Wondering whether whether Dark Matter particles actually are produced inside a jet of standard model particles, led researchers to explore a new detector signature known as semi-visible jets, which scientists never looked at ...
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Alien Haze, Cooked in a Lab, Clears View to Distant Water Worlds
Nov. 27, 2023 — Scientists have simulated conditions that allow hazy skies to form in water-rich exoplanets, a crucial step in determining how haziness muddles important telescope observations for the search of habitable worlds beyond the solar ...
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Quantum Tool Opens Door to Uncharted Phenomena
Nov. 29, 2023 — Scientists have developed a new tool for the measurement of entanglement in many-body systems and demonstrated it in experiments. The method enables the study of previously inaccessible physical phenomena and could contribute to a better understanding of quantum ...
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Nearly 400,000 New Compounds Added to Open-Access Materials Database
Nov. 29, 2023 — New technology often calls for new materials -- and with supercomputers and simulations, researchers don't have to wade through inefficient guesswork to invent them from ...
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Network of Robots Can Successfully Monitor Pipes Using Acoustic Wave Sensors
Nov. 29, 2023 — An inspection design method and procedure by which mobile robots can inspect large pipe structures has been demonstrated with the successful inspection of multiple defects on a three-meter long steel pipe using guided acoustic wave ...
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Compact Accelerator Technology Achieves Major Energy Milestone
Nov. 27, 2023 — Researchers have demonstrated a compact particle accelerator less than 20 meters long that produces an electron beam with an energy of 10 billion electron volts (10 GeV). There are only two other accelerators currently operating in the U.S. that can reach such high electron energies, but both are approximately 3 kilometers long. This type of accelerator is called a wakefield laser ...
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Environment News
November 29, 2023
'Woman the Hunter': Studies Aim to Correct History
Nov. 20, 2023 — New research combined both physiological and archaeological evidence to argue that not only did prehistoric women engage in the practice of hunting, but their female anatomy and biology would have made them intrinsically better suited for ...
Evolution of Taste: Early Sharks Were Able to Perceive Bitter Substances
Nov. 13, 2023 — New genetic data show that humans and sharks share bitter taste receptors, even though their evolutionary pathways separated nearly 500 million years ...
'Cooling Glass' Blasts Building Heat Into Space
Nov. 13, 2023 — Researchers aiming to combat rising global temperatures have developed a new 'cooling glass' that can turn down the heat indoors without electricity by drawing on the cold depths of space. The new technology, a microporous glass coating, can lower ...
Found at Last: Bizarre, Egg-Laying Mammal Finally Rediscovered After 60 Years
Nov. 9, 2023 — A long-beaked echidna named after Sir David Attenborough and last seen by scientists in 1961 has been photographed for the first time in an Indonesian tropical forest. An international team of ...
Latest Environment Headlines
updated 10:46pm EST
600 Years of Tree Rings Reveal Climate Risks in California
Nov. 29, 2023 — The San Joaquin Valley in California has experienced vast variability in climate extremes, with droughts and floods that were more severe and lasted longer than what has been seen in the modern record, according to a new study of 600 years of tree rings from the ...
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Unknown Animals Were Leaving Bird-Like Footprints in Late Triassic Southern Africa
Nov. 29, 2023 — Ancient animals were walking around on bird-like feet over 210 million years ago, according to a new ...
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Early Humans Hunted Beavers, 400,000 Years Ago
Nov. 29, 2023 — Around 400,000 years ago, early humans hunted beavers as a food resource and possibly also for their pelts.The authors show that Middle Pleistocene humans systematically fed on these smaller animals and hence had a more varied diet than thus far known. Previously, the opinion was that that hominins of this age primarily subsisted on large mammals, such as bovids and ...
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Bees Are Still Being Harmed Despite Tightened Pesticide Regulations
Nov. 29, 2023 — A new study has confirmed that pesticides, commonly used in farmland, significantly harm bumblebees one of the most important wild pollinators. In a huge study spanning 106 sites across eight European countries, researchers have shown that despite tightened pesticide regulations, far more needs to be ...
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Flower Power on Indian Farms Helps Bees and Boosts Livelihoods
Nov. 29, 2023 — Planting flowers beside food crops on farms in India attracts bees, boosts pollination and improves crop yield and quality, researchers have ...
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Breathing Highway Air Increases Blood Pressure
Nov. 28, 2023 — A new study found that unfiltered air from rush-hour traffic significantly increased passengers' blood pressure, both while in the car and up to 24 hours ...
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A Spectrum of Possibilities: Insights Into the Evolution of Far-Red Light Photosynthesis
Nov. 28, 2023 — Scientists have unraveled the evolutionary journey of a unique type of photosynthesis that allows some bacteria to harness far-red light, a region beyond the visible spectrum. This discovery could pave the way for engineering plants with enhanced light absorption capabilities and has implications for our search for extraterrestrial ...
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Commitments Needed to Solve Aviation's Impact on Our Climate
Nov. 28, 2023 — Researchers could find no simple solution to limiting non-CO2 emissions from ...
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Was 'Witchcraft' in the Devil's Church in Koli Based on Acoustic Resonance? The Crevice Cave Has a Unique Soundscape
Nov. 27, 2023 — The national park of Koli in eastern Finland is home to a famous, 34-metre-long crevice cave known as Pirunkirkko, or Devil's Church in English. A new study investigates the acoustics of the Devil's Church and explores whether the acoustic properties of the cave could explain the beliefs associated with it, and why it was chosen as a place for ...
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Deoxygenation Levels Similar to Today's Played a Major Role in Marine Extinctions During Major Past Climate Change Event
Nov. 27, 2023 — Scientists have made a surprising discovery that sheds new light on the role that oceanic deoxygenation (anoxia) played in one of the most devastating extinction events in Earth's history. Their finding has implications for current day ecosystems -- and serves as a warning that marine environments are likely more fragile than apparent. New ...
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Like the Phoenix, Australia's Giant Birds of Prey Rise Again from Limestone Caves
Nov. 17, 2023 — Australia's only vulture, and a fearsome extinct eagle, are among the earliest recorded birds of prey from the Pleistocene period more than 50,000 years ago -- and now researchers are bringing them to 'life' again.    Along with new scientific information, a bold new pictorial reconstruction of a newly named eagle and the only known Australian ...
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'Dolomite Problem': 200-Year-Old Geology Mystery Resolved
Nov. 23, 2023 — For 200 years, scientists have failed to grow a common mineral in the laboratory under the conditions believed to have formed it naturally. Now, researchers have finally pulled it off, thanks to a new theory developed from atomic simulations. Their success resolves a long-standing geology mystery called the 'Dolomite Problem.' Dolomite -- a key mineral in the Dolomite mountains in Italy, Niagara ...
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Society/Education News
November 29, 2023
Humans Are Disrupting Natural 'Salt Cycle' on a Global Scale, New Study Shows
Oct. 31, 2023 — A new paper revealed that human activities are making Earth's air, soil and freshwater saltier, which could pose an 'existential threat' if current trends continue. Geologic and hydrologic processes ...
Window to Avoid 1.5°C of Warming Will Close Before 2030 If Emissions Are Not Reduced
Oct. 30, 2023 — Without rapid carbon dioxide emission reductions, the world has a 50% chance of locking in 1.5°C of warming before ...
Increased West Antarctic Ice Sheet Melting 'Unavoidable'
Oct. 23, 2023 — The West Antarctic Ice Sheet will continue to increase its rate of melting over the rest of the century, no matter how much we reduce fossil fuel use, according to new research. A substantial acceleration in ice melting likely cannot now be avoided, ...
Climate-Driven Extreme Heat May Make Parts of Earth Too Hot for Humans
Oct. 9, 2023 — If global temperatures increase by 1 degree Celsius (C) or more than current levels, each year billions of people will be exposed to heat and humidity so extreme they will be unable to naturally cool themselves, according to interdisciplinary ...
Latest Society/Education Headlines
updated 10:46pm EST
Defending Your Voice Against Deepfakes
Nov. 27, 2023 — Computer scientists have developed AntiFake, a tool to protect voice recordings from unauthorized speech ...
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A Fifth Higher: Tropical Cyclones Substantially Raise the Social Cost of Carbon
Nov. 23, 2023 — Extreme events like tropical cyclones have immediate impacts, but also long-term implications for societies. A new study now finds: Accounting for the long-term impacts of these storms raises the global Social Cost of Carbon by more than 20 percent, compared to the estimates currently used for policy evaluations. This increase is mainly driven by ...
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Particulate Pollution from Coal Associated With Double the Risk of Mortality Than PM2.5 from Other Sources
Nov. 23, 2023 — Exposure to fine particulate air pollutants from coal-fired power plants (coal PM2.5) is associated with a risk of mortality more than double that of exposure to PM2.5 from other sources, according to a new study. Examining Medicare and emissions data in the U.S. from 1999 to 2020, the researchers also found that 460,000 deaths were attributable ...
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New Tool to Enable Exploration of Human-Environment Interactions
Nov. 22, 2023 — An international group of scientists are calling for a strengthened commitment to transdisciplinary collaboration to study past and present human-environmental interactions, which they say will advance our understanding of these complex, entangled histories. Their recommendations include the introduction of a new tool, the 'dahliagram,' to enable researchers to analyze and visualize a wide ...
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How to Stay on Task
Nov. 28, 2023 — Our ability to pay attention to tasks—a key component of our everyday lives—is heavily influenced by factors like motivation, arousal and alertness. Maintaining focus can be especially challenging when the task is boring or ...
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Kids Who Feel Their Parents Are Less Reliable Take Fewer Risks Vital to Learning and Growth
Nov. 27, 2023 — The researchers studied decisions that more than 150 children ages 10 to 13 made while playing games that offered opportunities to risk a little and explore for potential ...
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Extra Practice Blending Letter Sounds Helps Struggling Readers
Nov. 27, 2023 — New research has shown that extra practice in blending printed letter sounds can help struggling beginner readers (age 4-5) learn to ...
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Peer Educators Play Key Role in New Recipe Development and Testing
Nov. 14, 2023 — Cooking and recipe demonstrations encourage healthy eating and adoption of unfamiliar foods by class ...
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Exhaustion Caused by Video Conferencing Demonstrated on a Neurophysiological Level
Nov. 13, 2023 — Using EEG and ECG data, researchers were able to demonstrate that video conferences and online education formats lead to greater fatigue than face-to-face ...
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Contrary to Common Belief, Artificial Intelligence Will Not Put You out of Work
Nov. 2, 2023 — New research is providing insights for business leaders on how work experience affects employees interacting with ...
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Power of the Pictogram: Researcher Finds That Sorted Graphics Make Consumers Feel Optimistic
Oct. 31, 2023 — Sometimes, how the information is presented is as important as the information itself. Graphics, icons, and pictograms are increasingly popular methods of presenting information to consumers in direct, memorable, and easily understandable ...
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Having a Bad Boss Makes You a Worse Employee
Oct. 31, 2023 — Researchers found that employees who prioritize career advancement are strongly affected by abusive leadership while employees who prioritized job security remained just as likely to take charge after experiencing abusive supervision. Employees who prioritize advancement tend to hunker down and reduce taking-charge behavior after experiencing abusive ...
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